Strategy Consultant Ai Training Evaluation jobs in Belo Horizonte – Browse 52 openings on RoboApply Jobs
Strategy Consultant Ai Training Evaluation jobs in Belo Horizonte
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Strategy Consultant - AI Training & Evaluation
Toloka AIRemote — Belo Horizonte, State of Minas Gerais, Brazil
Remote Full-time
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Experience Level
Experience
About the job
Toloka AI seeks a Strategy Consultant with expertise in AI training and evaluation. This is a remote role based in Belo Horizonte, State of Minas Gerais, Brazil. The focus is on advising organizations as they refine their AI strategies and enhance training programs.
Key responsibilities
Guide companies in shaping and improving their AI training and evaluation processes
Offer insights to support informed decisions for AI-related projects
Assist clients in building stronger AI capabilities and refining their methodologies
Location
This position is remote, with a focus on candidates in Belo Horizonte, State of Minas Gerais, Brazil.
Full-time|Remote|Remote — Belo Horizonte, State of Minas Gerais, Brazil
Toloka AI seeks a Strategy Consultant with expertise in AI training and evaluation. This is a remote role based in Belo Horizonte, State of Minas Gerais, Brazil. The focus is on advising organizations as they refine their AI strategies and enhance training programs. Key responsibilities Guide companies in shaping and improving their AI training and evaluatio…
Part-time|$18/hr - $18/hr|Remote|Remote — Belo Horizonte, State of Minas Gerais, Brazil
We invite you to submit your CV in English, detailing your level of English proficiency.At Mindrift, we bridge the gap between skilled professionals and dynamic, project-based AI opportunities with leading technology firms. Our mission focuses on the testing, evaluation, and enhancement of AI systems. Please note, participation is project-based and does not imply permanent employment.What to Expect:Each project presents unique challenges, and contributors may be involved in tasks such as:Creating prompts that rigorously test AI capabilities;Assessing AI-generated outputs for accuracy, underlying assumptions, and logical coherence;Enhancing AI reasoning to ensure alignment with foundational principles and industry standards;Implementing structured scoring metrics to evaluate complex problem-solving processes.Ideal Candidate Profile:This freelance opportunity is well-suited for legal consultants and attorneys with a solid background in US law who are open to part-time, non-permanent engagements. Preferred qualifications include:A law degree (Bachelor, J.D., LLM, FLLM) recognized in the US;A minimum of 2 years of legal practice experience within US jurisdiction;Exceptional written English skills (C1/C2 level);A reliable internet connection.Application Process:To get started, simply apply → complete the necessary qualifications → join a project → fulfill assigned tasks → receive payment.Project Commitment:During active project phases, contributors can expect to dedicate approximately 10–20 hours per week, depending on the specific project requirements. This is an estimate and not a guaranteed workload.Compensation Details:Contributors have the potential to earn up to $18 per hour, based on their expertise and contribution pace. Compensation may vary across projects depending on their scope, complexity, and required skills.
Contract|$50/hr - $50/hr|Remote|Remote — Belo Horizonte, State of Minas Gerais, Brazil
toloka-ai is hiring a Freelance Supply Chain Consultant - AI Trainer for remote, project-based assignments. This contract role is open to professionals living in Belo Horizonte, State of Minas Gerais, Brazil. Engagements are not permanent employment and are structured around specific projects supporting artificial intelligence development. Role overview This position draws on deep procurement and supply chain expertise to help test, evaluate, and improve AI systems used by technology companies. The work involves designing realistic disruption scenarios, defining expected results, and reviewing AI-generated recommendations for accuracy and business value. What you will do Create supply chain disruption scenarios based on real procurement and manufacturing challenges, such as supplier delays, quantity changes, logistics issues, or quality failures. Define expected outcomes and outline effective mitigation strategies for each scenario. Evaluate AI-generated responses and recommendations, checking for accuracy, completeness, and relevance to business needs. Assess outputs within ERP systems, including Microsoft Dynamics 365, Coupa, Jaggaer, and Ariba (SAP). Support structured data creation and validation tasks, following detailed guidelines. Requirements Minimum of 4 years’ hands-on experience in procurement, supply chain management, or purchasing, ideally within manufacturing. Strong knowledge of procurement workflows such as purchase orders, vendor management, inventory, and production planning. Practical experience with ERP platforms like SAP, Oracle, or Microsoft Dynamics 365. Ability to design and analyze supply chain disruption scenarios and propose mitigation strategies. Understanding of disruption types: delays, shortages, quality issues, and logistics challenges. Familiarity with Incoterms and transportation or logistics management. Knowledge of Bill of Materials (BOM) structures and production planning processes. Experience using supplier performance metrics such as OTIF, lead times, and quality scores. Strong analytical skills for evaluating AI outputs against business logic. Background in data validation, structured data entry, or annotation work. Excellent written English communication skills. How the process works Apply Pass qualifications Join a project Complete tasks Receive compensation Time commitment Projects typically require 10 to 20 hours per week during active phases. Actual workload may vary depending on project needs. Compensation Earn up to $50 per hour, depending on experience and the scope of each project.
Contract|Remote|Remote — Belo Horizonte, State of Minas Gerais, Brazil
Role overview Toloka AI is hiring a Senior Consultant to work on freelance AI projects. This position is designed for someone with experience at MBB or other top-tier consulting firms. The focus is on developing strategies and solutions to enhance Toloka AI's services. The role operates fully remotely, with a base in Belo Horizonte, State of Minas Gerais, Brazil. Key responsibilities Use consulting expertise to guide the direction and execution of AI projects Work closely with an international group of specialists Support the growth and improvement of Toloka AI's service offerings Location This is a remote role based in Belo Horizonte, State of Minas Gerais, Brazil.
Contract|$50/hr - $50/hr|Remote|Remote — Belo Horizonte, State of Minas Gerais, Brazil
At Mindrift, we specialize in connecting top-tier specialists with dynamic project-based opportunities in the field of AI for leading technology firms, focusing on the testing, evaluation, and enhancement of AI systems. Please note that participation is project-based and does not constitute permanent employment.About the PositionAs a Procurement and Supply Chain Specialist in this role, you will leverage your extensive hands-on experience to craft realistic disruption scenarios. You will be responsible for defining expected outcomes and mitigation strategies, while also evaluating AI-generated recommendations for their accuracy, completeness, and relevance to business needs.Key ResponsibilitiesWhile each project entails unique tasks, contributors may engage in:Creating realistic scenarios of supply chain disruptions (such as supplier delays, quantity adjustments, logistics complications, and quality failures) based on actual manufacturing and procurement contexts.Establishing expected outcomes and suitable strategies for mitigation for each disruption scenario.Assessing AI-generated outputs against real-world business logic for accuracy and relevance.Reviewing outputs for accuracy, completeness, and applicability within ERP environments, particularly in systems like Microsoft Dynamics 365, Coupa, Jaggaer, and Ariba (SAP).Participating in structured data creation and validation tasks in alignment with established guidelines and frameworks.We Seek Candidates Who Have:A minimum of 4 years of direct experience in procurement, supply chain, or purchasing, preferably in a manufacturing context.A robust understanding of procurement workflows, including purchase orders, vendor management, inventory, and production planning processes.Hands-on experience with ERP systems such as SAP, Oracle, or Microsoft Dynamics 365.A proven capability to devise and analyze supply chain disruption scenarios and their mitigation strategies.A solid grasp of various disruption types, including delays, shortages, quality issues, and logistics challenges.Knowledge of Incoterms and logistics management.Familiarity with Bill of Materials (BOM) structures and production planning methodologies.Experience with supplier performance metrics such as On-Time In-Full (OTIF), lead times, and quality scores.An analytical mindset with the ability to evaluate AI outputs against real-world business logic.Experience in data validation, structured data entry, or annotation tasks.Proficient written communication skills in English.Application ProcessTo apply, submit your application, pass the qualification assessments, join a project, complete assigned tasks, and receive compensation for your contributions.Project Time ExpectationsThis project is expected to require approximately 10-20 hours per week during active phases, depending on project demands. Please note that this is an estimated workload and is not guaranteed.CompensationContributors can earn up to $50 per hour based on experience and project requirements.
Contract|$18/hr - $18/hr|Remote|Remote — Belo Horizonte, State of Minas Gerais, Brazil
Please submit your resume in English and indicate your English proficiency level. Mindrift offers project-based roles for professionals interested in AI, connecting them with technology companies to support and evaluate AI systems. These freelance assignments are not permanent positions. Role overview This freelance Legal Advisor position is open to US Bar-admitted legal professionals. Work is remote and project-based, with assignments varying by client and project scope. Responsibilities may include: Designing prompts to assess and challenge AI capabilities Reviewing AI-generated legal content for accuracy, consistency, and underlying assumptions Refining AI reasoning to ensure alignment with legal standards and principles Applying structured criteria to evaluate multi-step legal problem-solving Requirements Law degree (J.D., LLM, or equivalent) recognized in the United States Active US Bar admission At least 2 years of legal experience within the US legal system Strong written English skills at C1 or C2 level Reliable internet connection Who this role suits This role fits legal professionals and consultants with US law expertise who want flexible, part-time work. Assignments are well suited to those comfortable with remote, independent project work. Application steps Application Qualification assessment Project assignment Task completion Compensation Time commitment Active projects typically require 10–20 hours per week. Actual hours may vary depending on assignment needs; this is a guideline, not a fixed requirement. Compensation Earnings can reach up to $18 per hour, depending on expertise and pace. Pay rates differ by project scope, complexity, and required skills.
Part-time|$18/hr - $18/hr|Remote|Remote — Belo Horizonte, State of Minas Gerais, Brazil
We invite you to submit your CV in English, highlighting your proficiency in the language.At Mindrift, we specialize in connecting talented professionals with project-based opportunities in artificial intelligence for leading technology firms. Our focus is on testing, evaluating, and enhancing AI systems. This role is project-based and does not constitute permanent employment.Role OverviewEach project presents distinct tasks, where contributors may be expected to:Create prompts that effectively challenge AI systems;Assess AI-generated outputs for accuracy, underlying assumptions, and logical consistency;Enhance AI reasoning to ensure alignment with foundational principles and established standards;Utilize structured scoring criteria to evaluate multi-step problem-solving capabilities.Ideal Candidate ProfileThis position is tailored for legal consultants or attorneys experienced in US law who are interested in part-time, non-permanent engagements. Candidates should ideally possess:A degree in law (Bachelor, J.D., LLM, FLLM) recognized in the US legal framework;A minimum of 2 years of legal practice within the US jurisdiction;Exceptional written English skills (C1/C2 level);A reliable internet connection.Application ProcessTo apply, please complete the following steps: Apply → Successfully complete the qualifications → Join a project → Execute assigned tasks → Receive payment.Project CommitmentDuring active phases of the project, contributors can expect to dedicate approximately 10 to 20 hours per week, contingent upon project demands. Note that this is an estimate and not a guaranteed workload.Compensation DetailsFor this position, contributors may earn up to $18 per hour, depending on their contribution level and pace. Compensation varies based on the specific project scope, complexity, and expertise required. Please be aware that other projects on our platform may offer differing compensation levels based on their unique requirements.
Full-time|Remote|Remote — Belo Horizonte, State of Minas Gerais, Brazil
Toloka Annotators is hiring an AI Training Specialist to help build global egocentric video datasets. This role is remote and based in Belo Horizonte, State of Minas Gerais, Brazil. Key responsibilities Annotate and review egocentric video data to support AI model development Collaborate with cross-functional teams to ensure data quality and accuracy Assist in preparing and refining training materials for AI systems Location This is a remote position based in Belo Horizonte, State of Minas Gerais, Brazil.
Part-time|$14/hr - $14/hr|Remote|Remote — Belo Horizonte, State of Minas Gerais, Brazil
Mindrift connects chemistry specialists with project-based freelance opportunities focused on AI system development for leading technology companies. These roles involve short-term projects and do not represent permanent employment. Role overview This freelance position centers on creating and validating computational chemistry challenges for AI training. Tasks vary by project and may include: Designing original computational chemistry problems that reflect real-world research workflows Developing challenges that require Python programming, using libraries such as numpy, scipy, or chemistry-specific tools Ensuring problems are computationally intensive and cannot be solved manually within a reasonable timeframe Incorporating advanced reasoning in areas like physical chemistry, quantum chemistry, and molecular modeling Basing problems on authentic research questions or practical chemistry applications Validating solutions in Python using established computational chemistry methods Clearly documenting problem statements and providing accurate, verified solutions Requirements Degree in Chemistry or a closely related field Proficiency in Python for numerical validation; experience with MATLAB, R, C, SQL, Numpy, Pandas, SciPy, or domain-specific libraries is also valued At least 2 years of relevant professional experience (applied, research, or teaching) Expertise in numerical methods as applied to chemistry Strong understanding of computational chemistry concepts and techniques Excellent written English skills (C1 level or higher) Project structure The process includes submitting an application, passing qualification steps, participating in a project, completing assigned tasks, and receiving payment. Tasks typically require 10–20 hours per week during active phases, though actual workload may vary by project. Compensation Contributors can earn up to $14 per hour, depending on expertise and pace. Actual rates may vary based on project scope, complexity, and required skills. Other projects on the platform may offer different compensation levels. Please submit your CV in English and indicate your English proficiency level.
Part-time|$14/hr - $14/hr|Remote|Remote — Belo Horizonte, State of Minas Gerais, Brazil
Please submit your CV in English and indicate your level of English proficiency.At Mindrift, we specialize in connecting talented professionals with dynamic, project-based AI opportunities for top tech companies. Our focus is on testing, evaluating, and enhancing AI systems. Please note that participation is project-based and not a permanent employment position.What You Will Do:As a contributor, you will engage in various projects that may include:Designing original computational engineering problems that replicate authentic engineering workflows;Creating problems that necessitate Python programming for engineering calculations and simulations;Ensuring that problems are computationally intensive and involve numerical methods or iterative solutions;Developing problems centered on system design, optimization, and analysis;Base problems on genuine research challenges or practical applications in engineering;Verifying solutions using Python with established engineering libraries;Clearly documenting problem statements and providing verified correct answers.Your Qualifications:This role is ideal for engineers with experience in Python who are open to part-time, non-permanent projects. The ideal candidate should possess:A degree in Mechanical Engineering or a related field;Proficiency in Python for numerical validation; knowledge of MATLAB, R, C, SQL, Numpy, Pandas, SciPy, domain-specific libraries, Stata, or any programming language can be considered equivalent;At least 2 years of professional experience, with applied, research, or teaching experience being applicable;A solid understanding of practical engineering constraints and approximations;Excellent written English skills (C1+ level);Professional certifications (e.g., CMME, SAS Certifications, CAP) and experience with international or applied projects are advantageous.How the Process Works:Apply → Pass qualifications → Join a project → Complete tasks → Get compensated.Project Commitment:Tasks are expected to require approximately 10–20 hours per week during active project phases, depending on project demands. This is an estimate and not a guaranteed workload, applicable only while the project is ongoing.Compensation:Contributors can earn up to $14 per hour, depending on their level of expertise and contribution pace. Compensation varies across projects based on scope, complexity, and required skills. Please be aware that other projects may offer different earning potentials based on their specific needs.
Full-time|Remote|Remote — Belo Horizonte, State of Minas Gerais, Brazil
Toloka-AI seeks a Computer Science Specialist with advanced Python expertise to join AI-focused initiatives. This fully remote role is based in Belo Horizonte, State of Minas Gerais, Brazil, and centers on building impactful systems in artificial intelligence. What you will do Work closely with a team to design and develop AI-driven solutions Create and maintain Python-based systems that address practical challenges Contribute to projects that push forward AI capabilities at Toloka-AI Requirements Solid foundation in computer science principles High level of proficiency in Python programming Genuine interest in advancing AI with real-world applications Ability to collaborate effectively in a remote setting
Contract|Remote|Remote — Sagrada Família, Belo Horizonte, Brazil
Become part of a global community that enhances and elevates the experiences of the world's most prestigious luxury brands! CXG, a leading customer experience agency serving premium and luxury brands, is seeking Customer Experience Evaluators who are existing customers of luxury brands.As a Freelance Evaluator for Luxury Brands, you will have the opportunity to conduct several evaluations each month and provide your valuable insights through a questionnaire. Your assignments will be as varied as our luxury clients and industries, encompassing high-quality fashion and jewelry, cosmetics, luxury watches, automobiles, and much more. Your evaluations may involve visiting a store, returning a purchase, buying a product online, or scheduling an appointment with a store.Important Note: Candidates must not have worked for luxury retail brands to ensure the integrity and objectivity of evaluations.Your feedback can influence brand strategies and help shape a brand's approach, making this an opportunity for you to have a significant impact in the luxury market.Responsibilities:Conduct discreet evaluations of your favorite luxury brands in-store, online, or both.Provide objective feedback on your experiences.Select assignments that align with your profile and interests.Complete questionnaires following each evaluation.Meet all project objectives and special requirements of the luxury brand we represent.How to Apply:To become an evaluator with us, follow these simple steps:Sign up at live.cxg.com and receive an email with your credentials.Log in to our platform and share more about yourself. Once completed, our team will verify your profile and reach out to you.Check the 'welcome package' and pass the General Certification.Now you're ready! You can search for and apply to missions that interest you.About CXG:CXG is a global customer experience agency serving premium and luxury brands. With 12 offices worldwide, we are capable of serving 70 countries. Our team consists of over 220 customer experience specialists and a network of more than 80,000 evaluators globally. Learn more about what we do at www.cxg.com.Enjoy the flexibility of working on our mobile app, where you can search and apply for missions, complete certifications, submit surveys, and more, all while on the go.Contact us for more information!
Part-time|$14/hr - $14/hr|Remote|Remote — Belo Horizonte, State of Minas Gerais, Brazil
To apply, submit your CV in English and indicate your English proficiency level. Mindrift connects subject matter experts with project-based AI work for leading technology companies. Work is organized by project and does not represent permanent employment. Role overview This freelance, remote position focuses on designing and documenting advanced physics problems to support AI training. Assignments vary and may include: Developing original optics problems that reflect real-world research processes in physics Ensuring problems are computationally intensive and not easily solved by hand Creating scenarios requiring complex reasoning in mechanics, electromagnetism, thermodynamics, and quantum mechanics Basing challenges on actual research questions or practical applications in optics and physics Writing clear problem statements and supplying verified solutions Requirements Degree in Physics (theoretical, experimental, or computational) or a closely related field At least 2 years of professional experience, which may include research, applied, or teaching roles Experience with numerical simulation techniques Ability to design problems that mirror physics research workflows Creative approach to developing problems across multiple physics domains Familiarity with modeling and approximation methods in physics Strong written English skills (C1 level or higher) Project commitment Typical workload ranges from 10 to 20 hours per week during active projects. Actual hours may vary based on project needs. Compensation Earnings can reach up to $14 per hour, depending on contribution level and project complexity. Rates may differ by project scope and required expertise. Application process Apply with a CV in English and specify your English proficiency Complete qualification(s) Join a project Finish assigned tasks Receive compensation Location: Remote , Belo Horizonte, State of Minas Gerais, Brazil
Contract|$16/hr - $16/hr|Remote|Remote — Belo Horizonte, State of Minas Gerais, Brazil
Please submit your CV in English, including your proficiency level.Mindrift connects talented specialists to project-based AI opportunities with leading technology firms, focusing on the critical tasks of testing, evaluating, and enhancing AI systems. Note that participation is project-based and does not constitute permanent employment.Key Responsibilities:Each project presents distinct tasks, where contributors may be required to:Create original computational statistics challenges that emulate actual mathematical research workflows.Develop problems that necessitate Python programming solutions (utilizing Numpy, SciPy, Sympy).Ensure problems are computationally demanding, making manual solutions impractical within reasonable timelines (days/weeks).Formulate problems that involve complex reasoning chains in fields such as number theory, combinatorics, graph theory, and numerical analysis.Ground problems in real research scenarios or practical applications drawn from mathematical practice.Validate solutions using Python with standard mathematical libraries.Clearly document problem statements and provide verified correct answers.Qualifications:This opportunity suits statistics experts with Python experience who are open to part-time, temporary projects. Ideal candidates will possess:A degree in Statistics or related disciplines.Proficiency in Python for numerical validation; knowledge of MATLAB, R, C, SQL, Numpy, Pandas, SciPy, or similar programming languages may be considered equivalent.At least 2 years of relevant professional experience, which can include applied, research, or teaching roles.Strong written English skills (C1+).Professional certifications (e.g., CMME, SAS Certifications, CAP) and involvement in international or applied projects are advantageous.How It Works:Apply → Pass qualifications → Join a project → Complete assigned tasks → Receive payment.Project Time Expectations:During active phases, tasks are expected to require approximately 10–20 hours per week, based on project needs. This is a guideline and not a guaranteed workload.Compensation:Contributors can earn up to $16 per hour, depending on experience and contribution pace. Compensation may vary across different projects based on their scope, complexity, and required expertise.
Contract|$14/hr - $14/hr|Remote|Remote — Belo Horizonte, State of Minas Gerais, Brazil
We invite you to submit your CV in English, detailing your proficiency in the language.Mindrift serves as a vital link between specialists and project-oriented AI opportunities with top-tier technology firms, concentrating on the evaluation, testing, and enhancement of AI systems. Note: Participation is project-based and does not lead to permanent employment.Opportunity Overview:Each project presents distinct challenges, and contributors may be tasked with:Crafting original computational physics problems that authentically replicate real-world physics research workflows;Developing problems that necessitate Python programming for resolution (utilizing libraries such as Numpy, SciPy, and Sympy);Ensuring that the problems are computationally demanding, making manual solutions impractical within reasonable timeframes (days or weeks);Creating problems that require complex reasoning chains across mechanics, electromagnetism, thermodynamics, and quantum mechanics;Formulating problems based on actual research challenges or applicable scenarios in physics;Validating solutions using Python and standard physics simulation libraries;Clearly documenting problem statements and providing verified correct answers.Desired Qualifications:This role is an excellent match for optical engineers proficient in Python who are open to part-time, non-permanent engagements. Ideal candidates will possess:A degree in Physics (Theoretical, Experimental, or Computational) or related disciplines;Proficiency in Python for numerical validation; familiarity with MATLAB, R, C, SQL, Numpy, Pandas, SciPy, or any equivalent programming language is acceptable;A minimum of 2 years of professional experience, whether in applied, research, or teaching capacities;Experience with numerical simulation methodologies;Capability to design problems reflective of genuine physics research workflows;Inventive problem-solving skills across various physics domains;Familiarity with physics modeling and approximation techniques;Strong written English skills (C1 level or higher).Application Process:Apply → Pass qualifications → Join a project → Complete assigned tasks → Receive compensation.Project Commitment:During active phases, tasks are anticipated to require approximately 10–20 hours weekly, depending on project specifications. This is an estimate and not a guaranteed workload.Compensation:Contributors may earn up to $14 per hour based on their expertise and contribution level. Compensation varies by project according to scope, complexity, and required expertise. Other projects may offer different earning potential based on their demands.
Contract|Remote|Remote — Belo Horizonte, State of Minas Gerais, Brazil
Toloka AI seeks a Freelance AI Trainer with expertise in both biology and Python. This remote role focuses on designing and delivering training sessions that help learners apply artificial intelligence to biological research and related applications. Role overview The Biology and Python Specialist will create educational content and lead sessions for a range of participants. The goal is to make complex AI concepts accessible and relevant within the context of biology. What you will do Develop and present training materials that connect AI techniques with real-world biological problems Engage learners through clear explanations and practical examples using Python Adapt content to suit different backgrounds and experience levels Requirements Strong background in biology Proficiency in Python programming Interest in education and technology This freelance position is open to candidates based in Belo Horizonte, State of Minas Gerais, Brazil, and offers full remote flexibility.
Part-time|$14/hr - $14/hr|Remote|Remote — Belo Horizonte, State of Minas Gerais, Brazil
We invite you to submit your CV in English, along with details of your English proficiency level.At Mindrift, we specialize in connecting top-tier professionals with project-based AI opportunities for leading technology firms. Our focus is on the assessment, evaluation, and enhancement of AI systems through innovative contributions from specialists. This role is project-based and does not offer permanent employment.Key Responsibilities:As a contributor, you will engage in various project-specific tasks, which may include:Creating original optical problems that accurately simulate real-world physics research workflows;Designing computationally demanding challenges that require extensive timeframes to solve;Formulating complex problems that necessitate advanced reasoning in mechanics, electromagnetism, thermodynamics, and quantum mechanics;Base your problems on actual research challenges or relevant practical applications in optics and physics;Clearly document problem statements and provide verified correct solutions.Ideal Candidate Profile:This opportunity is well-suited for optical engineers looking for flexible, part-time non-permanent projects. The ideal candidates will possess:A degree in Physics (Theoretical, Experimental, or Computational) or a related discipline;At least 2 years of relevant professional experience, including applied, research, or teaching roles;Proficiency in numerical simulation methodologies;Capability to design problems that reflect authentic physics research processes;Innovative thinking in problem creation across various physics domains;Familiarity with physics modeling and approximation methods;Strong command of written English (C1+ level).Application Process:Interested candidates should apply, pass the necessary qualifications, join a project, complete assigned tasks, and receive compensation for their contributions.Workload Expectations:During active phases of projects, contributors should anticipate committing approximately 10–20 hours per week. Please note that this is an estimate and the actual workload may vary based on project needs.Compensation:Contributors can earn up to $14 per hour, depending on their experience level and contribution pace. Compensation may differ across projects based on their complexity, scope, and expertise required.
Contract|Remote|Belo Horizonte, State of Minas Gerais, Brazil
Join cxg as a Freelance Luxury Brand Evaluator based in Belo Horizonte or Rio de Janeiro. In this role, you will assess luxury brands and provide valuable insights to enhance their market presence.
Part-time|$14/hr - $14/hr|Remote|Remote — Belo Horizonte, State of Minas Gerais, Brazil
Please submit your CV in English and specify your English proficiency level. This freelance contract with Toloka AI (via Mindrift) is open to material scientists with strong Python skills. The focus is on supporting AI development for technology companies. The role is remote and based in Belo Horizonte, State of Minas Gerais, Brazil. This is not a permanent position, but a flexible, project-based opportunity. Key responsibilities Develop original material engineering problems that mirror real engineering workflows Design challenges involving Python programming for calculations and simulations Ensure problems require computational effort, using numerical methods or iterative techniques Create scenarios focused on system design, optimization, and analysis Draw from real-world research or practical engineering applications Validate solutions using Python and standard engineering libraries Write clear problem statements and provide accurate, verified solutions Requirements Degree in Material Science or a related discipline Proficiency in Python for numerical validation; familiarity with MATLAB, R, C, SQL, Numpy, Pandas, SciPy, or similar tools is also acceptable At least 2 years of experience in applied work, research, or teaching Understanding of practical engineering constraints and approximations Excellent written English skills at C1 level or higher Project details Estimated workload is 10–20 hours per week during active project phases. Actual hours may change based on project needs and are not guaranteed. Compensation Earnings can reach up to $14 per hour. Pay depends on contribution, pace, and project requirements. Compensation may vary with project complexity and scope. Application process Apply in English, including your CV and English proficiency level Complete required qualifications Join a project when invited Finish assigned tasks Receive compensation for completed work This is a freelance, project-based position. Permanent employment is not available.
Part-time|$14/hr - $14/hr|Remote|Remote — Belo Horizonte, State of Minas Gerais, Brazil
We invite you to submit your CV in English, clearly indicating your level of English proficiency.Mindrift specializes in connecting talented professionals with project-based AI opportunities for top technology companies, focusing on the testing, evaluation, and enhancement of AI systems. This position is project-based and not a permanent role.Key ResponsibilitiesAs a contributor, your tasks may include:Designing innovative computational physics problems that replicate authentic physics research workflows;Creating Python-based problems to solve using libraries such as Numpy, SciPy, and Sympy;Ensuring that problems are computationally intensive, requiring significant time to solve (days/weeks) rather than manual solutions;Developing scenarios that involve complex reasoning in mechanics, electromagnetism, thermodynamics, and quantum mechanics;Using real research challenges or practical applications from the field of physics as a basis for problems;Validating solutions through Python with standard physics simulation libraries;Documenting problem statements clearly and providing verified correct answers.QualificationsThis role is ideal for physicists with Python experience who are looking for part-time, non-permanent project work. The ideal candidate will possess:A degree in Physics (Theoretical, Experimental, or Computational) or a related field;Proficiency in Python for numerical validation; familiarity with MATLAB, R, C, SQL, Numpy, Pandas, SciPy, and Stata is also acceptable;A minimum of 2 years of professional experience, which may include applied, research, or teaching experience;Experience in numerical simulation methods;The ability to create problems that reflect real physics research workflows;Creative problem-solving skills across various areas of physics;Familiarity with physics modeling and approximation techniques;Strong written English skills (C1+ level).How the Process WorksApply → Pass qualifications → Join a project → Complete tasks → Receive paymentProject Time ExpectationsDuring active phases, tasks are estimated to require approximately 10–20 hours per week based on project demands. This is an estimate and not a guaranteed workload.CompensationContributors can earn up to $14 per hour, depending on their level of expertise and contribution pace. Please note that compensation can vary by project based on scope, complexity, and required expertise. Other projects on the platform may offer different earning levels based on their specific requirements.
Full-time|Remote|Remote — Belo Horizonte, State of Minas Gerais, Brazil
Toloka AI seeks a Strategy Consultant with expertise in AI training and evaluation. This is a remote role based in Belo Horizonte, State of Minas Gerais, Brazil. The focus is on advising organizations as they refine their AI strategies and enhance training programs. Key responsibilities Guide companies in shaping and improving their AI training and evaluatio…
Part-time|$18/hr - $18/hr|Remote|Remote — Belo Horizonte, State of Minas Gerais, Brazil
We invite you to submit your CV in English, detailing your level of English proficiency.At Mindrift, we bridge the gap between skilled professionals and dynamic, project-based AI opportunities with leading technology firms. Our mission focuses on the testing, evaluation, and enhancement of AI systems. Please note, participation is project-based and does not imply permanent employment.What to Expect:Each project presents unique challenges, and contributors may be involved in tasks such as:Creating prompts that rigorously test AI capabilities;Assessing AI-generated outputs for accuracy, underlying assumptions, and logical coherence;Enhancing AI reasoning to ensure alignment with foundational principles and industry standards;Implementing structured scoring metrics to evaluate complex problem-solving processes.Ideal Candidate Profile:This freelance opportunity is well-suited for legal consultants and attorneys with a solid background in US law who are open to part-time, non-permanent engagements. Preferred qualifications include:A law degree (Bachelor, J.D., LLM, FLLM) recognized in the US;A minimum of 2 years of legal practice experience within US jurisdiction;Exceptional written English skills (C1/C2 level);A reliable internet connection.Application Process:To get started, simply apply → complete the necessary qualifications → join a project → fulfill assigned tasks → receive payment.Project Commitment:During active project phases, contributors can expect to dedicate approximately 10–20 hours per week, depending on the specific project requirements. This is an estimate and not a guaranteed workload.Compensation Details:Contributors have the potential to earn up to $18 per hour, based on their expertise and contribution pace. Compensation may vary across projects depending on their scope, complexity, and required skills.
Contract|$50/hr - $50/hr|Remote|Remote — Belo Horizonte, State of Minas Gerais, Brazil
toloka-ai is hiring a Freelance Supply Chain Consultant - AI Trainer for remote, project-based assignments. This contract role is open to professionals living in Belo Horizonte, State of Minas Gerais, Brazil. Engagements are not permanent employment and are structured around specific projects supporting artificial intelligence development. Role overview This position draws on deep procurement and supply chain expertise to help test, evaluate, and improve AI systems used by technology companies. The work involves designing realistic disruption scenarios, defining expected results, and reviewing AI-generated recommendations for accuracy and business value. What you will do Create supply chain disruption scenarios based on real procurement and manufacturing challenges, such as supplier delays, quantity changes, logistics issues, or quality failures. Define expected outcomes and outline effective mitigation strategies for each scenario. Evaluate AI-generated responses and recommendations, checking for accuracy, completeness, and relevance to business needs. Assess outputs within ERP systems, including Microsoft Dynamics 365, Coupa, Jaggaer, and Ariba (SAP). Support structured data creation and validation tasks, following detailed guidelines. Requirements Minimum of 4 years’ hands-on experience in procurement, supply chain management, or purchasing, ideally within manufacturing. Strong knowledge of procurement workflows such as purchase orders, vendor management, inventory, and production planning. Practical experience with ERP platforms like SAP, Oracle, or Microsoft Dynamics 365. Ability to design and analyze supply chain disruption scenarios and propose mitigation strategies. Understanding of disruption types: delays, shortages, quality issues, and logistics challenges. Familiarity with Incoterms and transportation or logistics management. Knowledge of Bill of Materials (BOM) structures and production planning processes. Experience using supplier performance metrics such as OTIF, lead times, and quality scores. Strong analytical skills for evaluating AI outputs against business logic. Background in data validation, structured data entry, or annotation work. Excellent written English communication skills. How the process works Apply Pass qualifications Join a project Complete tasks Receive compensation Time commitment Projects typically require 10 to 20 hours per week during active phases. Actual workload may vary depending on project needs. Compensation Earn up to $50 per hour, depending on experience and the scope of each project.
Contract|Remote|Remote — Belo Horizonte, State of Minas Gerais, Brazil
Role overview Toloka AI is hiring a Senior Consultant to work on freelance AI projects. This position is designed for someone with experience at MBB or other top-tier consulting firms. The focus is on developing strategies and solutions to enhance Toloka AI's services. The role operates fully remotely, with a base in Belo Horizonte, State of Minas Gerais, Brazil. Key responsibilities Use consulting expertise to guide the direction and execution of AI projects Work closely with an international group of specialists Support the growth and improvement of Toloka AI's service offerings Location This is a remote role based in Belo Horizonte, State of Minas Gerais, Brazil.
Contract|$50/hr - $50/hr|Remote|Remote — Belo Horizonte, State of Minas Gerais, Brazil
At Mindrift, we specialize in connecting top-tier specialists with dynamic project-based opportunities in the field of AI for leading technology firms, focusing on the testing, evaluation, and enhancement of AI systems. Please note that participation is project-based and does not constitute permanent employment.About the PositionAs a Procurement and Supply Chain Specialist in this role, you will leverage your extensive hands-on experience to craft realistic disruption scenarios. You will be responsible for defining expected outcomes and mitigation strategies, while also evaluating AI-generated recommendations for their accuracy, completeness, and relevance to business needs.Key ResponsibilitiesWhile each project entails unique tasks, contributors may engage in:Creating realistic scenarios of supply chain disruptions (such as supplier delays, quantity adjustments, logistics complications, and quality failures) based on actual manufacturing and procurement contexts.Establishing expected outcomes and suitable strategies for mitigation for each disruption scenario.Assessing AI-generated outputs against real-world business logic for accuracy and relevance.Reviewing outputs for accuracy, completeness, and applicability within ERP environments, particularly in systems like Microsoft Dynamics 365, Coupa, Jaggaer, and Ariba (SAP).Participating in structured data creation and validation tasks in alignment with established guidelines and frameworks.We Seek Candidates Who Have:A minimum of 4 years of direct experience in procurement, supply chain, or purchasing, preferably in a manufacturing context.A robust understanding of procurement workflows, including purchase orders, vendor management, inventory, and production planning processes.Hands-on experience with ERP systems such as SAP, Oracle, or Microsoft Dynamics 365.A proven capability to devise and analyze supply chain disruption scenarios and their mitigation strategies.A solid grasp of various disruption types, including delays, shortages, quality issues, and logistics challenges.Knowledge of Incoterms and logistics management.Familiarity with Bill of Materials (BOM) structures and production planning methodologies.Experience with supplier performance metrics such as On-Time In-Full (OTIF), lead times, and quality scores.An analytical mindset with the ability to evaluate AI outputs against real-world business logic.Experience in data validation, structured data entry, or annotation tasks.Proficient written communication skills in English.Application ProcessTo apply, submit your application, pass the qualification assessments, join a project, complete assigned tasks, and receive compensation for your contributions.Project Time ExpectationsThis project is expected to require approximately 10-20 hours per week during active phases, depending on project demands. Please note that this is an estimated workload and is not guaranteed.CompensationContributors can earn up to $50 per hour based on experience and project requirements.
Contract|$18/hr - $18/hr|Remote|Remote — Belo Horizonte, State of Minas Gerais, Brazil
Please submit your resume in English and indicate your English proficiency level. Mindrift offers project-based roles for professionals interested in AI, connecting them with technology companies to support and evaluate AI systems. These freelance assignments are not permanent positions. Role overview This freelance Legal Advisor position is open to US Bar-admitted legal professionals. Work is remote and project-based, with assignments varying by client and project scope. Responsibilities may include: Designing prompts to assess and challenge AI capabilities Reviewing AI-generated legal content for accuracy, consistency, and underlying assumptions Refining AI reasoning to ensure alignment with legal standards and principles Applying structured criteria to evaluate multi-step legal problem-solving Requirements Law degree (J.D., LLM, or equivalent) recognized in the United States Active US Bar admission At least 2 years of legal experience within the US legal system Strong written English skills at C1 or C2 level Reliable internet connection Who this role suits This role fits legal professionals and consultants with US law expertise who want flexible, part-time work. Assignments are well suited to those comfortable with remote, independent project work. Application steps Application Qualification assessment Project assignment Task completion Compensation Time commitment Active projects typically require 10–20 hours per week. Actual hours may vary depending on assignment needs; this is a guideline, not a fixed requirement. Compensation Earnings can reach up to $18 per hour, depending on expertise and pace. Pay rates differ by project scope, complexity, and required skills.
Part-time|$18/hr - $18/hr|Remote|Remote — Belo Horizonte, State of Minas Gerais, Brazil
We invite you to submit your CV in English, highlighting your proficiency in the language.At Mindrift, we specialize in connecting talented professionals with project-based opportunities in artificial intelligence for leading technology firms. Our focus is on testing, evaluating, and enhancing AI systems. This role is project-based and does not constitute permanent employment.Role OverviewEach project presents distinct tasks, where contributors may be expected to:Create prompts that effectively challenge AI systems;Assess AI-generated outputs for accuracy, underlying assumptions, and logical consistency;Enhance AI reasoning to ensure alignment with foundational principles and established standards;Utilize structured scoring criteria to evaluate multi-step problem-solving capabilities.Ideal Candidate ProfileThis position is tailored for legal consultants or attorneys experienced in US law who are interested in part-time, non-permanent engagements. Candidates should ideally possess:A degree in law (Bachelor, J.D., LLM, FLLM) recognized in the US legal framework;A minimum of 2 years of legal practice within the US jurisdiction;Exceptional written English skills (C1/C2 level);A reliable internet connection.Application ProcessTo apply, please complete the following steps: Apply → Successfully complete the qualifications → Join a project → Execute assigned tasks → Receive payment.Project CommitmentDuring active phases of the project, contributors can expect to dedicate approximately 10 to 20 hours per week, contingent upon project demands. Note that this is an estimate and not a guaranteed workload.Compensation DetailsFor this position, contributors may earn up to $18 per hour, depending on their contribution level and pace. Compensation varies based on the specific project scope, complexity, and expertise required. Please be aware that other projects on our platform may offer differing compensation levels based on their unique requirements.
Full-time|Remote|Remote — Belo Horizonte, State of Minas Gerais, Brazil
Toloka Annotators is hiring an AI Training Specialist to help build global egocentric video datasets. This role is remote and based in Belo Horizonte, State of Minas Gerais, Brazil. Key responsibilities Annotate and review egocentric video data to support AI model development Collaborate with cross-functional teams to ensure data quality and accuracy Assist in preparing and refining training materials for AI systems Location This is a remote position based in Belo Horizonte, State of Minas Gerais, Brazil.
Part-time|$14/hr - $14/hr|Remote|Remote — Belo Horizonte, State of Minas Gerais, Brazil
Mindrift connects chemistry specialists with project-based freelance opportunities focused on AI system development for leading technology companies. These roles involve short-term projects and do not represent permanent employment. Role overview This freelance position centers on creating and validating computational chemistry challenges for AI training. Tasks vary by project and may include: Designing original computational chemistry problems that reflect real-world research workflows Developing challenges that require Python programming, using libraries such as numpy, scipy, or chemistry-specific tools Ensuring problems are computationally intensive and cannot be solved manually within a reasonable timeframe Incorporating advanced reasoning in areas like physical chemistry, quantum chemistry, and molecular modeling Basing problems on authentic research questions or practical chemistry applications Validating solutions in Python using established computational chemistry methods Clearly documenting problem statements and providing accurate, verified solutions Requirements Degree in Chemistry or a closely related field Proficiency in Python for numerical validation; experience with MATLAB, R, C, SQL, Numpy, Pandas, SciPy, or domain-specific libraries is also valued At least 2 years of relevant professional experience (applied, research, or teaching) Expertise in numerical methods as applied to chemistry Strong understanding of computational chemistry concepts and techniques Excellent written English skills (C1 level or higher) Project structure The process includes submitting an application, passing qualification steps, participating in a project, completing assigned tasks, and receiving payment. Tasks typically require 10–20 hours per week during active phases, though actual workload may vary by project. Compensation Contributors can earn up to $14 per hour, depending on expertise and pace. Actual rates may vary based on project scope, complexity, and required skills. Other projects on the platform may offer different compensation levels. Please submit your CV in English and indicate your English proficiency level.
Part-time|$14/hr - $14/hr|Remote|Remote — Belo Horizonte, State of Minas Gerais, Brazil
Please submit your CV in English and indicate your level of English proficiency.At Mindrift, we specialize in connecting talented professionals with dynamic, project-based AI opportunities for top tech companies. Our focus is on testing, evaluating, and enhancing AI systems. Please note that participation is project-based and not a permanent employment position.What You Will Do:As a contributor, you will engage in various projects that may include:Designing original computational engineering problems that replicate authentic engineering workflows;Creating problems that necessitate Python programming for engineering calculations and simulations;Ensuring that problems are computationally intensive and involve numerical methods or iterative solutions;Developing problems centered on system design, optimization, and analysis;Base problems on genuine research challenges or practical applications in engineering;Verifying solutions using Python with established engineering libraries;Clearly documenting problem statements and providing verified correct answers.Your Qualifications:This role is ideal for engineers with experience in Python who are open to part-time, non-permanent projects. The ideal candidate should possess:A degree in Mechanical Engineering or a related field;Proficiency in Python for numerical validation; knowledge of MATLAB, R, C, SQL, Numpy, Pandas, SciPy, domain-specific libraries, Stata, or any programming language can be considered equivalent;At least 2 years of professional experience, with applied, research, or teaching experience being applicable;A solid understanding of practical engineering constraints and approximations;Excellent written English skills (C1+ level);Professional certifications (e.g., CMME, SAS Certifications, CAP) and experience with international or applied projects are advantageous.How the Process Works:Apply → Pass qualifications → Join a project → Complete tasks → Get compensated.Project Commitment:Tasks are expected to require approximately 10–20 hours per week during active project phases, depending on project demands. This is an estimate and not a guaranteed workload, applicable only while the project is ongoing.Compensation:Contributors can earn up to $14 per hour, depending on their level of expertise and contribution pace. Compensation varies across projects based on scope, complexity, and required skills. Please be aware that other projects may offer different earning potentials based on their specific needs.
Full-time|Remote|Remote — Belo Horizonte, State of Minas Gerais, Brazil
Toloka-AI seeks a Computer Science Specialist with advanced Python expertise to join AI-focused initiatives. This fully remote role is based in Belo Horizonte, State of Minas Gerais, Brazil, and centers on building impactful systems in artificial intelligence. What you will do Work closely with a team to design and develop AI-driven solutions Create and maintain Python-based systems that address practical challenges Contribute to projects that push forward AI capabilities at Toloka-AI Requirements Solid foundation in computer science principles High level of proficiency in Python programming Genuine interest in advancing AI with real-world applications Ability to collaborate effectively in a remote setting
Contract|Remote|Remote — Sagrada Família, Belo Horizonte, Brazil
Become part of a global community that enhances and elevates the experiences of the world's most prestigious luxury brands! CXG, a leading customer experience agency serving premium and luxury brands, is seeking Customer Experience Evaluators who are existing customers of luxury brands.As a Freelance Evaluator for Luxury Brands, you will have the opportunity to conduct several evaluations each month and provide your valuable insights through a questionnaire. Your assignments will be as varied as our luxury clients and industries, encompassing high-quality fashion and jewelry, cosmetics, luxury watches, automobiles, and much more. Your evaluations may involve visiting a store, returning a purchase, buying a product online, or scheduling an appointment with a store.Important Note: Candidates must not have worked for luxury retail brands to ensure the integrity and objectivity of evaluations.Your feedback can influence brand strategies and help shape a brand's approach, making this an opportunity for you to have a significant impact in the luxury market.Responsibilities:Conduct discreet evaluations of your favorite luxury brands in-store, online, or both.Provide objective feedback on your experiences.Select assignments that align with your profile and interests.Complete questionnaires following each evaluation.Meet all project objectives and special requirements of the luxury brand we represent.How to Apply:To become an evaluator with us, follow these simple steps:Sign up at live.cxg.com and receive an email with your credentials.Log in to our platform and share more about yourself. Once completed, our team will verify your profile and reach out to you.Check the 'welcome package' and pass the General Certification.Now you're ready! You can search for and apply to missions that interest you.About CXG:CXG is a global customer experience agency serving premium and luxury brands. With 12 offices worldwide, we are capable of serving 70 countries. Our team consists of over 220 customer experience specialists and a network of more than 80,000 evaluators globally. Learn more about what we do at www.cxg.com.Enjoy the flexibility of working on our mobile app, where you can search and apply for missions, complete certifications, submit surveys, and more, all while on the go.Contact us for more information!
Part-time|$14/hr - $14/hr|Remote|Remote — Belo Horizonte, State of Minas Gerais, Brazil
To apply, submit your CV in English and indicate your English proficiency level. Mindrift connects subject matter experts with project-based AI work for leading technology companies. Work is organized by project and does not represent permanent employment. Role overview This freelance, remote position focuses on designing and documenting advanced physics problems to support AI training. Assignments vary and may include: Developing original optics problems that reflect real-world research processes in physics Ensuring problems are computationally intensive and not easily solved by hand Creating scenarios requiring complex reasoning in mechanics, electromagnetism, thermodynamics, and quantum mechanics Basing challenges on actual research questions or practical applications in optics and physics Writing clear problem statements and supplying verified solutions Requirements Degree in Physics (theoretical, experimental, or computational) or a closely related field At least 2 years of professional experience, which may include research, applied, or teaching roles Experience with numerical simulation techniques Ability to design problems that mirror physics research workflows Creative approach to developing problems across multiple physics domains Familiarity with modeling and approximation methods in physics Strong written English skills (C1 level or higher) Project commitment Typical workload ranges from 10 to 20 hours per week during active projects. Actual hours may vary based on project needs. Compensation Earnings can reach up to $14 per hour, depending on contribution level and project complexity. Rates may differ by project scope and required expertise. Application process Apply with a CV in English and specify your English proficiency Complete qualification(s) Join a project Finish assigned tasks Receive compensation Location: Remote , Belo Horizonte, State of Minas Gerais, Brazil
Contract|$16/hr - $16/hr|Remote|Remote — Belo Horizonte, State of Minas Gerais, Brazil
Please submit your CV in English, including your proficiency level.Mindrift connects talented specialists to project-based AI opportunities with leading technology firms, focusing on the critical tasks of testing, evaluating, and enhancing AI systems. Note that participation is project-based and does not constitute permanent employment.Key Responsibilities:Each project presents distinct tasks, where contributors may be required to:Create original computational statistics challenges that emulate actual mathematical research workflows.Develop problems that necessitate Python programming solutions (utilizing Numpy, SciPy, Sympy).Ensure problems are computationally demanding, making manual solutions impractical within reasonable timelines (days/weeks).Formulate problems that involve complex reasoning chains in fields such as number theory, combinatorics, graph theory, and numerical analysis.Ground problems in real research scenarios or practical applications drawn from mathematical practice.Validate solutions using Python with standard mathematical libraries.Clearly document problem statements and provide verified correct answers.Qualifications:This opportunity suits statistics experts with Python experience who are open to part-time, temporary projects. Ideal candidates will possess:A degree in Statistics or related disciplines.Proficiency in Python for numerical validation; knowledge of MATLAB, R, C, SQL, Numpy, Pandas, SciPy, or similar programming languages may be considered equivalent.At least 2 years of relevant professional experience, which can include applied, research, or teaching roles.Strong written English skills (C1+).Professional certifications (e.g., CMME, SAS Certifications, CAP) and involvement in international or applied projects are advantageous.How It Works:Apply → Pass qualifications → Join a project → Complete assigned tasks → Receive payment.Project Time Expectations:During active phases, tasks are expected to require approximately 10–20 hours per week, based on project needs. This is a guideline and not a guaranteed workload.Compensation:Contributors can earn up to $16 per hour, depending on experience and contribution pace. Compensation may vary across different projects based on their scope, complexity, and required expertise.
Contract|$14/hr - $14/hr|Remote|Remote — Belo Horizonte, State of Minas Gerais, Brazil
We invite you to submit your CV in English, detailing your proficiency in the language.Mindrift serves as a vital link between specialists and project-oriented AI opportunities with top-tier technology firms, concentrating on the evaluation, testing, and enhancement of AI systems. Note: Participation is project-based and does not lead to permanent employment.Opportunity Overview:Each project presents distinct challenges, and contributors may be tasked with:Crafting original computational physics problems that authentically replicate real-world physics research workflows;Developing problems that necessitate Python programming for resolution (utilizing libraries such as Numpy, SciPy, and Sympy);Ensuring that the problems are computationally demanding, making manual solutions impractical within reasonable timeframes (days or weeks);Creating problems that require complex reasoning chains across mechanics, electromagnetism, thermodynamics, and quantum mechanics;Formulating problems based on actual research challenges or applicable scenarios in physics;Validating solutions using Python and standard physics simulation libraries;Clearly documenting problem statements and providing verified correct answers.Desired Qualifications:This role is an excellent match for optical engineers proficient in Python who are open to part-time, non-permanent engagements. Ideal candidates will possess:A degree in Physics (Theoretical, Experimental, or Computational) or related disciplines;Proficiency in Python for numerical validation; familiarity with MATLAB, R, C, SQL, Numpy, Pandas, SciPy, or any equivalent programming language is acceptable;A minimum of 2 years of professional experience, whether in applied, research, or teaching capacities;Experience with numerical simulation methodologies;Capability to design problems reflective of genuine physics research workflows;Inventive problem-solving skills across various physics domains;Familiarity with physics modeling and approximation techniques;Strong written English skills (C1 level or higher).Application Process:Apply → Pass qualifications → Join a project → Complete assigned tasks → Receive compensation.Project Commitment:During active phases, tasks are anticipated to require approximately 10–20 hours weekly, depending on project specifications. This is an estimate and not a guaranteed workload.Compensation:Contributors may earn up to $14 per hour based on their expertise and contribution level. Compensation varies by project according to scope, complexity, and required expertise. Other projects may offer different earning potential based on their demands.
Contract|Remote|Remote — Belo Horizonte, State of Minas Gerais, Brazil
Toloka AI seeks a Freelance AI Trainer with expertise in both biology and Python. This remote role focuses on designing and delivering training sessions that help learners apply artificial intelligence to biological research and related applications. Role overview The Biology and Python Specialist will create educational content and lead sessions for a range of participants. The goal is to make complex AI concepts accessible and relevant within the context of biology. What you will do Develop and present training materials that connect AI techniques with real-world biological problems Engage learners through clear explanations and practical examples using Python Adapt content to suit different backgrounds and experience levels Requirements Strong background in biology Proficiency in Python programming Interest in education and technology This freelance position is open to candidates based in Belo Horizonte, State of Minas Gerais, Brazil, and offers full remote flexibility.
Part-time|$14/hr - $14/hr|Remote|Remote — Belo Horizonte, State of Minas Gerais, Brazil
We invite you to submit your CV in English, along with details of your English proficiency level.At Mindrift, we specialize in connecting top-tier professionals with project-based AI opportunities for leading technology firms. Our focus is on the assessment, evaluation, and enhancement of AI systems through innovative contributions from specialists. This role is project-based and does not offer permanent employment.Key Responsibilities:As a contributor, you will engage in various project-specific tasks, which may include:Creating original optical problems that accurately simulate real-world physics research workflows;Designing computationally demanding challenges that require extensive timeframes to solve;Formulating complex problems that necessitate advanced reasoning in mechanics, electromagnetism, thermodynamics, and quantum mechanics;Base your problems on actual research challenges or relevant practical applications in optics and physics;Clearly document problem statements and provide verified correct solutions.Ideal Candidate Profile:This opportunity is well-suited for optical engineers looking for flexible, part-time non-permanent projects. The ideal candidates will possess:A degree in Physics (Theoretical, Experimental, or Computational) or a related discipline;At least 2 years of relevant professional experience, including applied, research, or teaching roles;Proficiency in numerical simulation methodologies;Capability to design problems that reflect authentic physics research processes;Innovative thinking in problem creation across various physics domains;Familiarity with physics modeling and approximation methods;Strong command of written English (C1+ level).Application Process:Interested candidates should apply, pass the necessary qualifications, join a project, complete assigned tasks, and receive compensation for their contributions.Workload Expectations:During active phases of projects, contributors should anticipate committing approximately 10–20 hours per week. Please note that this is an estimate and the actual workload may vary based on project needs.Compensation:Contributors can earn up to $14 per hour, depending on their experience level and contribution pace. Compensation may differ across projects based on their complexity, scope, and expertise required.
Contract|Remote|Belo Horizonte, State of Minas Gerais, Brazil
Join cxg as a Freelance Luxury Brand Evaluator based in Belo Horizonte or Rio de Janeiro. In this role, you will assess luxury brands and provide valuable insights to enhance their market presence.
Part-time|$14/hr - $14/hr|Remote|Remote — Belo Horizonte, State of Minas Gerais, Brazil
Please submit your CV in English and specify your English proficiency level. This freelance contract with Toloka AI (via Mindrift) is open to material scientists with strong Python skills. The focus is on supporting AI development for technology companies. The role is remote and based in Belo Horizonte, State of Minas Gerais, Brazil. This is not a permanent position, but a flexible, project-based opportunity. Key responsibilities Develop original material engineering problems that mirror real engineering workflows Design challenges involving Python programming for calculations and simulations Ensure problems require computational effort, using numerical methods or iterative techniques Create scenarios focused on system design, optimization, and analysis Draw from real-world research or practical engineering applications Validate solutions using Python and standard engineering libraries Write clear problem statements and provide accurate, verified solutions Requirements Degree in Material Science or a related discipline Proficiency in Python for numerical validation; familiarity with MATLAB, R, C, SQL, Numpy, Pandas, SciPy, or similar tools is also acceptable At least 2 years of experience in applied work, research, or teaching Understanding of practical engineering constraints and approximations Excellent written English skills at C1 level or higher Project details Estimated workload is 10–20 hours per week during active project phases. Actual hours may change based on project needs and are not guaranteed. Compensation Earnings can reach up to $14 per hour. Pay depends on contribution, pace, and project requirements. Compensation may vary with project complexity and scope. Application process Apply in English, including your CV and English proficiency level Complete required qualifications Join a project when invited Finish assigned tasks Receive compensation for completed work This is a freelance, project-based position. Permanent employment is not available.
Part-time|$14/hr - $14/hr|Remote|Remote — Belo Horizonte, State of Minas Gerais, Brazil
We invite you to submit your CV in English, clearly indicating your level of English proficiency.Mindrift specializes in connecting talented professionals with project-based AI opportunities for top technology companies, focusing on the testing, evaluation, and enhancement of AI systems. This position is project-based and not a permanent role.Key ResponsibilitiesAs a contributor, your tasks may include:Designing innovative computational physics problems that replicate authentic physics research workflows;Creating Python-based problems to solve using libraries such as Numpy, SciPy, and Sympy;Ensuring that problems are computationally intensive, requiring significant time to solve (days/weeks) rather than manual solutions;Developing scenarios that involve complex reasoning in mechanics, electromagnetism, thermodynamics, and quantum mechanics;Using real research challenges or practical applications from the field of physics as a basis for problems;Validating solutions through Python with standard physics simulation libraries;Documenting problem statements clearly and providing verified correct answers.QualificationsThis role is ideal for physicists with Python experience who are looking for part-time, non-permanent project work. The ideal candidate will possess:A degree in Physics (Theoretical, Experimental, or Computational) or a related field;Proficiency in Python for numerical validation; familiarity with MATLAB, R, C, SQL, Numpy, Pandas, SciPy, and Stata is also acceptable;A minimum of 2 years of professional experience, which may include applied, research, or teaching experience;Experience in numerical simulation methods;The ability to create problems that reflect real physics research workflows;Creative problem-solving skills across various areas of physics;Familiarity with physics modeling and approximation techniques;Strong written English skills (C1+ level).How the Process WorksApply → Pass qualifications → Join a project → Complete tasks → Receive paymentProject Time ExpectationsDuring active phases, tasks are estimated to require approximately 10–20 hours per week based on project demands. This is an estimate and not a guaranteed workload.CompensationContributors can earn up to $14 per hour, depending on their level of expertise and contribution pace. Please note that compensation can vary by project based on scope, complexity, and required expertise. Other projects on the platform may offer different earning levels based on their specific requirements.