Mechanical Engineer and Python Specialist - Freelance AI Trainer

Toloka AI seeks a Freelance Junior Journalist - AI Trainer to join projects that blend journalism with artificial intelligence. This remote position is open to candidates located in Israel. The work centers on creating and refining content, always with attention to accuracy and relevance for real-world news and stories. Key responsibilities Take part in proj…

We invite you to submit your CV in English and specify your level of English proficiency.At Mindrift, we specialize in connecting talented professionals with project-based opportunities in artificial intelligence for leading technology firms. Our focus is on the testing, evaluation, and enhancement of AI systems. Please note that this is a project-based role rather than a permanent position.Opportunity Overview:Each project you participate in will involve distinct tasks, which may include:Creating original optics problems that effectively simulate real-life physics research workflows;Ensuring that these problems are computationally intensive, requiring advanced solutions that cannot be resolved manually within practical time limits (days/weeks);Designing challenges that demand complex reasoning in areas such as mechanics, electromagnetism, thermodynamics, and quantum mechanics;Grounding problems in authentic research challenges or practical applications from the fields of optics and physics;Clearly documenting problem statements and providing verified accurate solutions.Candidate Profile:This opportunity is ideal for optical engineers who are interested in flexible, non-permanent projects. We are looking for candidates who possess:A degree in Physics (Theoretical, Experimental, or Computational) or a related field;At least 2 years of professional experience, which can include applied work, research, or teaching;Proficiency in numerical simulation methods;The ability to craft problems that reflect real-world physics research workflows;Creative problem-solving skills across various physics disciplines;Familiarity with physics modeling and approximation techniques;Strong written English skills (C1+ level).How the Process Works:Apply → Pass required qualifications → Join a project → Complete assigned tasks → Receive payment.Project Time Expectations:During active phases, tasks are anticipated to require approximately 10–20 hours per week, based on project specifications. Please note that this is an estimate and does not guarantee a fixed workload.Compensation:Contributors can earn up to $35 per hour, depending on their contribution level and pace. Compensation may vary by project based on scope, complexity, and required expertise. Other projects on our platform may offer different compensation levels based on their specific requirements.

Toloka AI seeks a Freelance English Writer - AI Trainer for a remote contract role based in Israel. This position centers on developing and refining written materials that support the training of AI language systems. Responsibilities Create and edit English-language content designed for AI training tasks Select and organize examples and prompts to help AI models better interpret natural human communication Review and improve AI-generated text to ensure it reads naturally and accurately Location This is a remote role. Candidates may work from home anywhere within Israel.

Please submit your CV in English and indicate your English proficiency level. Mindrift connects skilled specialists with project-based AI initiatives for leading tech companies. The focus is on testing, evaluating, and improving AI systems. This is a project-based freelance role, not a permanent position. What you will do Create original computational mathematics problems that reflect real mathematical research methods. Develop problems that require Python programming to solve, using libraries such as Numpy, SciPy, and Sympy. Ensure problems are computationally intensive and cannot be solved manually within days or weeks. Design challenges involving advanced reasoning in areas like number theory, combinatorics, graph theory, and numerical analysis. Base problems on genuine research questions or practical mathematical applications. Validate solutions in Python with established mathematical libraries. Document each problem clearly, providing both the statement and a verified solution. Requirements Degree in Mathematics (Pure or Applied) or a closely related field. Proficiency in Python for numerical validation; experience with MATLAB, R, C, SQL, Numpy, Pandas, SciPy, or Stata, or knowledge of another programming language is also acceptable. At least 2 years of professional experience, which may include research, teaching, or applied work. Familiarity with numerical methods and symbolic computation. Ability to design problems that mirror authentic mathematical research workflows. Understanding of computational complexity theory. Strong written English skills at C1 level or higher. Application process The process includes: Apply → Complete qualifications → Join a project → Execute tasks → Receive payment. Project commitment During active phases, tasks are expected to require approximately 10–20 hours per week. This estimate depends on project needs and is not a guaranteed workload. Compensation Contributors may earn up to $35 per hour, depending on expertise and pace. Actual compensation varies by project scope, complexity, and required skills. Other projects on the platform may offer different earning potential based on their requirements.

Toloka AI is seeking a freelance specialist with strong expertise in biology and Python programming. This remote role, based in Israel, centers on supporting AI training efforts with hands-on subject matter knowledge. Role overview This position involves developing training materials that help improve artificial intelligence systems, with a focus on biological data. The work includes designing content, guiding AI models, and ensuring accurate interpretation of complex biological information. What you will do Create clear and effective training content for AI models in the biology domain Facilitate learning experiences that connect biological concepts with Python programming Guide AI systems to better understand and process biological data Requirements Expertise in biology Strong programming skills in Python Ability to explain biological concepts and coding techniques clearly

Please submit your CV in English and indicate your level of English proficiency.Mindrift connects talented specialists with project-based opportunities in artificial intelligence for leading technology firms, emphasizing the testing, evaluation, and enhancement of AI systems. Please note that participation in projects is temporary and not a permanent position.Role Overview:Each project presents distinct tasks, where contributors may:Design innovative computational statistics challenges that reflect authentic mathematical research processes;Develop problems that necessitate Python programming to resolve (utilizing libraries such as Numpy, SciPy, Sympy);Ensure challenges are computationally demanding and cannot be addressed manually within practical timeframes (spanning days/weeks);Construct problems that require complex reasoning in domains such as number theory, combinatorics, graph theory, and numerical analysis;Base challenges on genuine research dilemmas or applicable scenarios from mathematical practices;Validate solutions using Python and standard mathematical libraries;Clearly document problem statements and provide verified correct solutions.Ideal Candidate Profile:This opportunity is suited for statistics professionals with Python expertise who are interested in part-time, non-permanent projects. Preferred qualifications include:A degree in Statistics or a related field;Proficiency in Python for numerical validation. Familiarity with MATLAB, R, C, SQL, Numpy, Pandas, SciPy, domain-specific libraries, or Stata can also be considered;A minimum of 2 years of professional experience in applied, research, or teaching capacities;Strong written English skills (C1+ level);Professional certifications (e.g., CMME, SAS Certifications, CAP) and experience in international or applied projects are beneficial.Application Process:Apply → Pass qualifications → Join a project → Complete tasks → Get compensatedProject Time Expectations:Tasks are anticipated to require approximately 10–20 hours per week during active project phases, depending on specific project needs. This is an estimate and not a guaranteed workload, applicable only while the project is active.Compensation:Contributors can earn up to $39 per hour, contingent upon their level of expertise and contribution pace. Compensation varies by project based on scope, complexity, and required skills. Please be aware that other projects on the platform may offer different earning potential based on their requirements.

Please submit your CV in English and indicate your level of English proficiency. toloka-ai, working with Mindrift, offers project-based freelance roles for professionals supporting AI development. This contract position centers on improving, evaluating, and testing AI systems. Note that this is not a permanent employment role, but a project-based contract. Role overview The Freelance Research Physicist - AI Systems Trainer helps shape AI capabilities by designing and evaluating complex physics challenges. Tasks span several areas of advanced physics and require both creativity and technical depth. Design original optical problems reflecting real-world research methods Develop computationally intensive challenges beyond manual calculation Create problems involving advanced reasoning in mechanics, electromagnetism, thermodynamics, and quantum mechanics Base challenges on actual research questions or practical applications in optics and physics Document problem statements clearly and provide verified solutions Requirements Degree in Physics (theoretical, experimental, or computational) or a closely related field Minimum 2 years of experience in applied physics, research, or academic roles Proficiency with numerical simulation techniques Ability to design problems that mirror authentic research workflows Creative approach to problem design across multiple physics disciplines Familiarity with modeling and approximation methods in physics Excellent written English (C1 level or above) Project process The typical workflow includes: Apply, pass qualifications, join a project, complete assigned tasks, and receive compensation. Time commitment Plan for 10–20 hours per week during active project phases. Actual workload may shift based on project needs. Compensation Earnings can reach up to $35 per hour, depending on expertise and pace. Rates may vary by project, reflecting scope, complexity, and required skills. Some projects may offer different compensation.

Toloka AI, through its Mindrift platform, offers project-based freelance roles for experienced supply chain professionals. This remote position is open to candidates based in Israel and centers on supporting AI development for major technology companies. As a Freelance Supply Chain Consultant - AI Trainer, the work draws on practical procurement and supply chain knowledge to test, evaluate, and improve AI systems. What you will do Develop realistic supply chain disruption scenarios inspired by real manufacturing and procurement issues, such as supplier delays, quantity changes, logistics complications, and quality failures. Define clear expected outcomes and practical mitigation steps for each scenario. Assess AI-generated recommendations for accuracy and relevance to business operations. Review outputs to ensure they fit within ERP systems, including Microsoft Dynamics 365, Coupa, Jaggaer, and Ariba (SAP). Support the creation and validation of structured data following established guidelines. Requirements Minimum 4 years of experience in procurement, supply chain management, or purchasing, ideally within manufacturing. Solid grasp of procurement workflows, including purchase orders, vendor management, inventory control, and production planning. Hands-on experience with ERP systems such as SAP, Oracle, or Microsoft Dynamics 365. Demonstrated ability to design and analyze supply chain disruption scenarios and craft mitigation strategies. Understanding of disruption types: delays, shortages, quality issues, and logistics challenges. Familiarity with Incoterms and logistics management principles. Experience working with Bill of Materials (BOM) structures and production planning processes. Knowledge of supplier performance metrics, such as OTIF, lead times, and quality scores. Strong analytical skills to assess AI outputs against business logic. Background in data validation, structured data entry, or annotation work. Excellent written English communication skills. How the project works Apply Pass qualifications Join a project Complete assigned tasks Receive compensation Time commitment Tasks during active project phases typically require 10 to 20 hours per week. Actual workload may vary and is not guaranteed. Compensation Contributors can earn up to $50 per hour, depending on the specifics of each project.

We invite you to submit your CV in English, along with your English proficiency level.Mindrift is an innovative platform that connects talented specialists with project-based AI opportunities at leading technology companies, focused on testing, assessing, and enhancing AI systems. This is a project-based role, not a permanent position.Role OverviewAs a contributor, you will engage in various unique projects, which may include:Creating original computational physics problems that reflect genuine physics research workflows;Developing Python-based problems to solve using libraries such as Numpy, SciPy, and Sympy;Ensuring that problems are computationally intensive enough to require significant time for solution (days to weeks) rather than manual resolution;Designing challenges that necessitate complex reasoning across topics like mechanics, electromagnetism, thermodynamics, and quantum mechanics;Using real-world research challenges or practical physics applications as the basis for problem design;Validating solutions through Python using established physics simulation libraries;Providing clear documentation of problem statements along with accurate solutions.Preferred QualificationsWe are looking for individuals with a background in physics who possess experience in Python and are open to part-time, non-permanent roles. The ideal candidates will have: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 other programming languages is also acceptable;A minimum of 2 years of professional experience in applied physics, research, or teaching;Experience with numerical simulation methodologies;The ability to craft problems that accurately represent real physics research workflows;Creative problem-solving skills that span various physics fields;A solid understanding of physics modeling and approximation techniques;Excellent written English skills (C1+ level).Application ProcessTo apply, please submit your application, pass the necessary qualifications, join a project, complete the assigned tasks, and receive payment.Project CommitmentActive phases of projects are expected to require around 10–20 hours of work per week, based on specific project needs. This is an estimation and not a guaranteed workload.Compensation DetailsParticipants can earn up to $35 per hour, depending on their contribution level and pace. Compensation may vary by project based on its scope, complexity, and the expertise required.

Kindly submit your CV in English, specifying your English proficiency level.Mindrift specializes in connecting talented experts with dynamic, project-based AI opportunities within leading tech organizations, focusing on the assessment, evaluation, and enhancement of AI systems. Please note that participation is project-based and not a permanent employment position.Opportunity OverviewEach project offers unique challenges, and contributors may be tasked with:Creating original computational physics problems that replicate authentic physics research workflows;Devising problems that necessitate Python programming for resolution (utilizing libraries such as Numpy, SciPy, Sympy);Ensuring problems are computationally demanding and cannot be resolved manually in a reasonable timeframe (days/weeks);Formulating problems that involve complex reasoning chains in fields such as mechanics, electromagnetism, thermodynamics, and quantum mechanics;Grounding problems in actual research challenges or practical applications from the field of physics;Verifying solutions through Python using standard physics simulation libraries;Clearly documenting problem statements and providing verified correct answers.Ideal Candidate ProfileThis role is an excellent match for quantum researchers with Python experience who are open to part-time, non-permanent projects. Ideal contributors will have: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 domain-specific libraries is also acceptable;A minimum of 2 years of relevant professional experience, whether in applied research or teaching;Experience with numerical simulation methodologies;The ability to design problems mirroring real physics research workflows;Creative thinking for problem design across various physics domains;Familiarity with physics modeling and approximation techniques;Strong proficiency in written English (C1+).Process OverviewApplication → Qualification Assessment → Project Participation → Task Completion → CompensationProject CommitmentFor this project, anticipated task involvement is estimated at approximately 10–20 hours per week during active phases, varying based on project requirements. This is an estimation and does not guarantee a fixed workload during the project's duration.Compensation StructureContributors may earn up to $35 per hour, contingent on their skill level and contribution pace. Compensation can differ across projects based on their scope, complexity, and required expertise. Please be aware that other projects within the platform may offer varied compensation levels based on their specific needs.

We invite you to submit your CV in English, highlighting your English proficiency level.At Mindrift, we specialize in connecting talented professionals with project-based AI opportunities within leading technology companies. Our focus is on the testing, evaluation, and enhancement of AI systems. Please note that participation is project-based and does not constitute permanent employment.Opportunity OverviewEach project presents distinct challenges, and contributors may be tasked with:Designing innovative material engineering problems that replicate real-world engineering workflows;Creating problems that necessitate Python programming for engineering calculations and simulations;Ensuring that problems are computationally intensive, incorporating numerical methods or iterative solutions;Developing challenges related to system design, optimization, and analysis;Formulating problems based on genuine research challenges or practical engineering applications;Validating solutions using Python alongside standard engineering libraries;Clearly documenting problem statements and providing verified correct answers.Candidate ProfileThis opportunity is ideal for material scientists and engineers with Python expertise who are open to part-time, non-permanent projects. Preferred candidates will possess:A degree in Material Science or a related field;Proficiency in Python for numerical validation, with familiarity in MATLAB, R, C, SQL, Numpy, Pandas, SciPy, or any other programming language considered equivalent;At least 2 years of professional experience, which may include applied work, research, or teaching;A solid understanding of practical engineering constraints and approximations;Strong written communication skills in English (C1+ level).Project WorkflowApplication → Qualification Process → Project Engagement → Task Completion → PaymentProject Time CommitmentDuring the active phases of projects, tasks are estimated to require approximately 10–20 hours per week, based on specific project needs. This estimate is not a guaranteed workload and is applicable only while the project is active.Compensation StructureContributors on this project have the potential to earn up to $35 per hour, contingent on their contribution level and pace. Compensation may vary across projects based on scope, complexity, and required expertise. Please be aware that other projects on our platform may offer different earning potentials.

Mindrift bridges the gap between talented specialists and project-specific AI opportunities with top technology firms, concentrating on the assessment, testing, and enhancement of AI systems. Please note that participation is project-based and does not constitute permanent employment.Role OverviewAs a Procurement & Supply Chain Consultant, you will leverage your extensive expertise to create authentic disruption scenarios, outline anticipated outcomes and mitigation strategies, and assess AI-generated recommendations for accuracy and business relevance.Key ResponsibilitiesProjects may involve unique tasks such as:Crafting realistic supply chain disruption scenarios (e.g., supplier delays, quantity adjustments, logistical complications, quality failures) based on actual manufacturing and procurement practices.Establishing expected results and effective mitigation strategies for each scenario.Reviewing AI-generated suggestions against practical business logic.Evaluating outputs for precision, thoroughness, and relevance within ERP systems (particularly Microsoft Dynamics 365, Coupa, Jaggaer, Ariba (SAP)).Assisting in structured data creation and validation tasks according to specific guidelines and frameworks.Qualifications RequiredAt least 4 years of practical experience in procurement, supply chain, or purchasing, preferably within a manufacturing setting.In-depth understanding of procurement workflows, including purchase orders, vendor management, inventory, and production planning.Hands-on experience with ERP systems such as SAP, Oracle, or Microsoft Dynamics 365.Proven ability to develop and analyze supply chain disruption scenarios and corresponding mitigation strategies.Strong comprehension of various types of disruptions: delays, shortages, quality concerns, and logistical challenges.Knowledge of Incoterms and transportation/logistics management.Familiarity with Bill of Materials (BOM) structures and production planning methodologies.Experience in evaluating supplier performance metrics (OTIF, lead times, quality scores).Analytical mindset capable of assessing AI outputs in relation to real-world business logic.Experience with data validation, structured data entry, or annotation tasks.Exceptional written communication skills in English.Process OverviewApplication → Qualification(s) → Project Participation → Task Completion → CompensationProject Time ExpectationsTasks for this project are anticipated to require approximately 10-20 hours per week during active phases, depending on project demands. This is an estimate and does not guarantee a specific workload during the project duration.CompensationParticipants in this project can earn up to $50 per hour, contingent upon experience and the specific project requirements.

Role overview Toloka AI seeks a freelance AI trainer with expertise in civil engineering and strong Python programming skills. This position is fully remote and available to candidates based in Israel. What you will do Use civil engineering knowledge and Python to contribute to the training and improvement of AI models. Work closely with Toloka AI's team to assist in developing advanced AI systems. Location This is a remote role for candidates residing in Israel.

Please submit your CV in English and indicate your level of English proficiency. Mindrift connects specialists with project-based AI work for leading technology companies. The platform focuses on testing, evaluating, and improving AI systems. All roles are flexible and non-permanent. Role overview This freelance position centers on applying material science expertise and Python skills to help train and evaluate AI systems. Projects change over time, but the core work involves creating and validating engineering problems that reflect real-world scenarios. What you will do Design original materials that reflect authentic engineering challenges Create programming problems using Python for calculations and simulations Ensure tasks require computational work, numerical methods, or iterative solutions Develop projects focused on system design, optimization, and analysis Base problems on real research issues or practical engineering situations Verify solutions using Python and standard engineering libraries Document problem statements clearly and provide validated solutions Requirements Degree in Material Science or a closely related field Strong Python skills for numerical validation; familiarity with MATLAB, R, C, SQL, Numpy, Pandas, SciPy, or similar tools is a plus At least 2 years of relevant experience, including applied research or teaching Understanding of practical engineering constraints and approximations Excellent written English at C1 level or higher How to get started Apply Pass qualification(s) Join a project Complete tasks Get compensated Project commitment During active project phases, tasks usually require 10–20 hours per week. Actual workload may vary depending on project needs. Compensation Contributors can earn up to $35 per hour, depending on the nature and complexity of the project. Pay varies by project scope.

We invite you to submit your CV in English, including your proficiency level in the language.Mindrift is a dynamic platform that bridges skilled professionals with project-based AI opportunities from leading technology firms, focusing on the critical tasks of testing, evaluating, and enhancing AI systems. Please note that participation is on a project basis and does not constitute permanent employment.Project Responsibilities:Each project features unique tasks, and contributors may be involved in:Crafting innovative computational engineering problems that replicate authentic engineering workflows;Formulating challenges that necessitate Python programming for engineering calculations and simulations;Ensuring the tasks are computationally demanding and require numerical methods or iterative solutions;Creating problems centered around system design, optimization, and analytical processes;Developing tasks based on real-world research challenges or practical applications within engineering;Validating solutions using Python and standard engineering libraries;Providing clear documentation for problem statements along with verified correct solutions.Ideal Candidate Profile:This role is suited for engineers with Python expertise who are open to part-time, non-permanent projects. The preferred qualifications include:A degree in Electrical Engineering or a related discipline;Proficiency in Python for numerical validation; familiarity with MATLAB, R, C, SQL, Numpy, Pandas, SciPy, or other domain-specific libraries will also be considered;A minimum of 2 years of professional experience in applied, research, or teaching contexts;A solid grasp of practical engineering constraints and approximations;Exceptional written English skills (C1+ level);Professional certifications (e.g., CMME, SAS Certifications, CAP) and experience in international or applied projects will be advantageous.Project Engagement Process:1. Apply → 2. Pass qualification(s) → 3. Join a project → 4. Complete tasks → 5. Receive compensationTime Commitment:During active phases, tasks are expected to require approximately 10–20 hours per week, based on the project demands. This is an estimated range and may vary according to project activity.Compensation:Contributors can earn up to $37 per hour, depending on their experience level and contribution speed. Compensation may vary across different projects based on their specific scope, complexity, and expertise requirements.

Please submit your CV in English and indicate your English proficiency level. Mindrift connects subject matter experts with project-based AI training work for leading technology companies. These projects center on evaluating and improving AI systems. All roles are project-based and do not represent permanent employment. Role overview This freelance, remote position is open to US Bar-admitted legal professionals based in Israel or working remotely. The work centers on using legal expertise to help Mindrift’s clients strengthen AI systems. Assignments are flexible and structured around specific projects. What you will do Create prompts that test and expand AI legal reasoning Review and evaluate AI-generated legal responses for accuracy, assumptions, and logic Refine AI outputs to ensure they align with legal standards and core principles Score multi-step legal problem-solving tasks using structured criteria Requirements Licensed legal consultant or attorney with US law experience Law degree (Bachelor, J.D., LLM, or FLLM) from an accredited US institution Minimum 2 years of legal experience within the US legal system Strong written English at C1 or C2 level Reliable internet connection How to join Apply Pass qualifications Join a project Complete assigned tasks Receive payment Project commitment During active project phases, expect to dedicate roughly 10 to 20 hours per week. Actual hours may shift based on project requirements. Compensation Project rates can reach up to $44 per hour, depending on contribution and efficiency. Compensation may vary by project, reflecting complexity, scope, and required expertise. Some projects may use different pay structures.

This remote freelance role with Toloka centers on supporting artificial intelligence projects for top technology companies. Assignments are available to candidates based in Israel and involve a variety of online tasks that help train and improve AI systems. Application note: Submit your resume in English and specify your English proficiency level. Role overview Freelance AI Trainers work on projects that may include evaluating AI-generated content, checking the accuracy of information, or comparing different responses. The workload depends on project availability, which can change over time. Key responsibilities Review data such as text, images, or videos for each assigned project Label or categorize content according to detailed project guidelines Identify and report any material that is incorrect, sensitive, inappropriate, or unclear Note: This is project-based freelance work. Tasks appear only when relevant projects are active, and participation depends on your profile and current openings. Compensation Pay varies by assignment and the expertise required. On this project, AI Trainers can earn up to $17 per hour. Learn more about Toloka at toloka.ai.

Are you passionate about the Hebrew language and eager to influence the evolution of artificial intelligence? As large-scale language models transition from basic chatbots to advanced tools for linguistic exploration, your expertise in Hebrew can play a vital role in this transformation. With high-quality training data, the future of AI can enhance educational access, align with cutting-edge research, and improve communication for Hebrew speakers globally. This journey begins with your knowledge and skills—we invite you to join us in shaping the next generation of AI.We are seeking Hebrew language specialists who excel in Hebrew grammar, syntax, morphology, spelling, phonology, and pragmatics. Your role will involve challenging advanced language models on intricate aspects such as verb conjugation, sentence structure, gender agreement, formal and informal speech, regional dialects, and the subtleties of Hebrew writing systems. You will meticulously document failure modes to strengthen model reasoning.On a typical day, you will engage with the model on various language scenarios, verify factual accuracy and logical consistency, capture reproducible error traces, and recommend enhancements to our prompt engineering and evaluation metrics.A Master's degree or PhD in Hebrew language, linguistics, or a closely related discipline is preferred. Experience with peer-reviewed publications, teaching, or hands-on linguistic analysis projects will be considered advantageous. Clear and reflective communication—demonstrating your thought process—is crucial.Are you ready to leverage your Hebrew language expertise to contribute to the AI knowledge base of tomorrow? Apply now and become part of the model that will educate the world.

Role overview Toloka Annotators seeks a Freelance AI Trainer - Data Annotation Specialist to join its remote team. This contract position is open to candidates living in Israel and centers on supporting AI development projects from home. What you will do Label and annotate data accurately to support improvements in artificial intelligence systems Participate in projects that help advance AI performance Work independently as part of a distributed team Focus of the work This role involves careful data labeling and review. The goal is to help ensure AI models meet quality standards and function reliably.