Freelance AI Trainer - Statistics & Python Specialist

Please submit your CV in English and specify your English proficiency level. Mindrift, in partnership with toloka-ai, connects specialists to project-based AI work for major technology companies. This freelance Optical Engineer role centers on testing, evaluating, and improving AI systems. The position is project-based and not permanent. Key responsibilities Design original optical problems that reflect real-world physics research workflows Develop computationally intensive problems that cannot be solved manually in a short timeframe Create scenarios requiring advanced reasoning in mechanics, electromagnetism, thermodynamics, and quantum mechanics Base problems on current research challenges or practical applications in optics and physics Document problem statements clearly and provide verified, correct solutions Requirements Degree in Physics (Theoretical, Experimental, or Computational) or a related field Minimum 2 years of experience in applied, research, or teaching roles Hands-on experience with numerical simulation techniques Ability to design problems that mirror real research workflows Creative approach to problem design across various physics domains Familiarity with physics modeling and approximation methods Strong written English skills at C1 level or above How the process works Apply Pass qualifications Engage in a project Complete assigned tasks Receive compensation Time commitment During active project phases, tasks typically require about 10 to 20 hours per week. This is an estimate and not a guaranteed workload. Hours are relevant only while the project is active. Compensation Contributors can earn up to $17 per hour, depending on experience and pace. Pay may vary by project based on scope, complexity, and required expertise. Other projects on the platform may offer different compensation levels depending on requirements. Location This is a remote position based in Uruguay.

Please submit your CV in English and include your English proficiency level. Mindrift connects professionals with project-based AI work for leading technology companies. The focus is on testing, evaluating, and improving AI systems. This is a freelance, project-based role and not a permanent position. Role overview This freelance position is for optical engineers with strong Python skills who are interested in flexible, part-time work. Projects center on creating and validating computational physics problems that reflect real research and practical scenarios. What you will do Create original computational physics problems based on actual research workflows. Develop problems that require Python programming for solutions, using libraries such as Numpy, SciPy, and Sympy. Design computationally intensive challenges that cannot be solved manually in a short timeframe. Construct problems involving complex reasoning in mechanics, electromagnetism, thermodynamics, and quantum mechanics. Base scenarios on real research or practical physics applications. Validate solutions using Python and established physics simulation libraries. Document problem statements clearly and provide accurate solutions. Requirements Degree in Physics (theoretical, experimental, or computational) or a related field. Proficiency in Python for numerical validation. Experience with MATLAB, R, C, SQL, Numpy, Pandas, SciPy, domain-specific libraries, Stata, or other programming languages is valued. At least 2 years of professional experience in applied work, research, or teaching. Background in numerical simulation techniques. Ability to design problems that mirror authentic research workflows in physics. Creative problem-solving skills across multiple areas of physics. Understanding of physics modeling and approximation methods. Excellent written English skills at C1 level or above. Process Apply, pass qualifications, join a project, complete tasks, and receive compensation. Time commitment Active projects typically require 10–20 hours per week. Actual workload depends on project needs and may vary. Compensation Earn up to $17 per hour, depending on expertise and task completion rate. Pay may vary by project scope, complexity, and required skills. Other projects on the platform may offer different rates. Location This is a remote position based in Uruguay.

Role overview Toloka AI seeks a freelance AI Trainer with expertise in both mechanical engineering and Python programming. This contract position is fully remote and available to professionals based in Uruguay. Responsibilities Create and deliver training programs centered on AI applications in mechanical engineering. Develop course materials and practical exercises that demonstrate how Python is used in mechanical systems. Lead participants through hands-on projects and collaborative problem-solving sessions. Manage training sessions and provide ongoing support as learners develop new skills. Requirements Background in mechanical engineering. Proficient Python programming abilities. Talent for explaining technical topics and producing engaging educational resources. Interest in AI technologies and their use within engineering fields. Location This is a remote freelance role for candidates residing in Uruguay.

Toloka AI is looking for a freelance AI trainer who combines civil engineering experience with strong Python programming skills. This contract role is fully remote and open to professionals based in Uruguay. Role overview This position centers on supporting learners as they apply artificial intelligence to civil engineering projects. The focus is on practical instruction and guidance, helping others use Python effectively in real-world engineering scenarios. What you will do Train and mentor individuals or groups in the use of AI for civil engineering applications Share hands-on Python programming knowledge relevant to engineering tasks Contribute to the advancement of AI technologies by guiding learners and providing feedback Location This freelance role is remote and available to candidates residing in Uruguay.

Please submit your CV in English and specify your English proficiency level. Mindrift offers project-based roles connecting skilled professionals with AI-focused work for leading technology companies. Projects involve testing, evaluating, and improving AI systems. This is a contract position, not a permanent role. Role overview The Freelance Electrical Engineer & Python Specialist - AI Trainer works remotely from Uruguay, designing and validating engineering challenges to help train AI models. The position centers on creating computational problems and Python assignments that reflect real-world engineering scenarios. Main responsibilities Develop computational engineering problems that reflect actual engineering tasks Create Python programming assignments for calculations and simulations Ensure problems require rigorous computational thinking, such as numerical methods or iterative approaches Design tasks focused on system design, optimization, and analysis Base challenges on real research questions or practical engineering situations Validate solutions using Python and standard engineering libraries Document problem statements clearly and provide verified solutions Requirements Degree in Electrical Engineering or a related field Strong Python skills for numerical validation; experience with MATLAB, R, C, SQL, Numpy, Pandas, SciPy, or similar libraries is valued At least 2 years of relevant experience (applied, research, or teaching) Understanding of practical engineering constraints and approximations Excellent written English (C1+ level) Professional certifications (such as CMME, SAS Certifications, CAP) and experience with international or applied projects are a plus How projects work Apply Complete qualification(s) successfully Join a project Complete assigned tasks Receive payment Time commitment Active projects typically require about 10–20 hours per week, depending on project needs. This is an estimate, not a guaranteed workload. Compensation Earn up to $17 per hour, depending on expertise and pace. Actual rates may vary by project based on scope, complexity, and required experience. Other projects on the platform may offer different pay structures.

Toloka AI is looking for a freelance specialist with a strong background in both biology and Python programming. This remote contract is open to candidates based in Uruguay. Role overview This position centers on training and guiding AI systems for biological applications. The work involves applying subject matter knowledge in biology alongside Python skills to help develop and improve AI models. What you will do Use expertise in biology and programming to support the development of AI models Train and guide AI systems to enhance their performance in tasks related to biological data or problems Requirements Strong knowledge of biology Proficiency in Python Ability to work independently in a freelance, remote setting Based in Uruguay

Role overview Toloka AI seeks a Freelance Junior Journalist - AI Trainer to join projects that help advance artificial intelligence. This remote role is available to candidates living anywhere in Uruguay. The position involves producing and improving content that supports AI development and helps inform the wider community. What you will do Research topics connected to artificial intelligence and data training Write and edit articles aimed at educating and engaging Toloka AI’s audience Provide feedback and insights on AI training processes Requirements Interest in both journalism and technology Strong skills in writing and editing Ability to work independently from within Uruguay Curiosity about AI and its effects

Toloka AI seeks a Freelance English Writer - AI Trainer to join its remote team in Uruguay. This contract position focuses on producing and refining English-language content that supports the development of AI training programs. Writers in this role help shape the quality and clarity of AI models by working closely with a collaborative team. Key responsibilities Create and edit English-language materials designed for AI training purposes Work with fellow writers and subject matter experts to ensure content is accurate and clear Offer feedback and suggestions to help improve the performance of AI models Location This is a remote role for candidates based in Uruguay.

Please submit your CV in English and indicate your English proficiency level. Mindrift connects specialists with project-based roles in artificial intelligence, focusing on testing, evaluating, and improving AI systems for major technology companies. These assignments are temporary and not permanent positions. Role overview This freelance position is designed for physicists with Python experience who are interested in part-time, non-permanent work. Projects may change over time, but typical responsibilities include: Creating original computational physics problems that reflect real research processes Designing problems that require Python programming to solve, often using libraries such as Numpy, SciPy, or Sympy Ensuring that problems are computationally intensive and not easily solvable by hand Developing challenges in areas like mechanics, electromagnetism, thermodynamics, and quantum mechanics Basing tasks on actual research questions or practical physics applications Verifying solutions in Python, using established physics simulation libraries Documenting problem statements clearly and providing accurate, validated answers Requirements Degree in Physics (theoretical, experimental, or computational) or a closely related discipline Proficiency in Python for numerical problem-solving; experience with MATLAB, R, C, SQL, Numpy, Pandas, SciPy, Stata, or similar programming languages is also valued Minimum of 2 years of professional experience in research, teaching, or applied roles Background in numerical simulation techniques Ability to design problems that mirror real-world physics research Creativity in developing problems across several physics fields Familiarity with physics modeling and approximation methods Strong written English skills at C1 level or above How projects work Apply Pass qualifications Join a project Complete assigned tasks Receive compensation Time commitment During active project phases, tasks usually require 10–20 hours per week. Actual workload depends on project needs and may vary outside of active periods. Compensation Contributors can earn up to $17 per hour, depending on experience and task completion rate. Compensation varies by project, based on scope, complexity, and required expertise. Other projects on the platform may offer different pay rates according to their specific requirements. Location This is a remote, project-based role open to candidates located in Uruguay.

Please submit your CV in English and specify your English proficiency level. Mindrift connects experienced specialists with project-based AI roles at leading technology companies. Assignments focus on testing, evaluating, and improving AI systems. All roles are project-based and do not represent permanent employment. Role overview This freelance position calls for a Material Scientist with strong Python skills. Projects involve engineering and programming challenges, with each assignment offering new technical problems and the chance to influence AI tools built for engineering applications. Key responsibilities Create original material engineering problems based on real-world workflows Design tasks that require Python programming for engineering calculations and simulations Ensure problems include computationally intensive tasks, numerical methods, or iterative solutions Formulate questions centered on system design, optimization, and analysis Base assignments on real research challenges or practical engineering scenarios Validate solutions using Python and standard engineering libraries Document problem statements and provide verified answers Requirements Degree in Material Science or a related field Proficient in Python for numerical validation; experience with MATLAB, R, C, SQL, Numpy, Pandas, SciPy, or similar tools is valued Minimum of 2 years' professional experience in applied, research, or teaching roles Strong understanding of practical engineering constraints and real-world approximations Excellent written English (C1 level or higher) Project commitment Expect to dedicate roughly 10–20 hours per week during active project phases. Actual workload may change depending on project needs and timing. Compensation Earn up to $17 per hour, based on experience and contribution speed. Compensation for other projects on the platform may vary depending on complexity and requirements. How to apply Submit your CV in English and indicate your English proficiency level Complete qualification steps Join a project when selected Finish assigned tasks Receive payment Location: Remote, Uruguay

Mindrift offers project-based freelance work for chemistry specialists with strong Python skills. This remote opportunity connects contributors in Uruguay with AI projects focused on computational chemistry, supporting the development and evaluation of AI systems for major tech clients. Participation is strictly on a project basis and does not imply permanent employment. Project Scope Create original computational chemistry problems that mirror real-world research workflows. Develop tasks requiring Python programming for solution, using libraries like NumPy, SciPy, and chemistry-specific packages. Design problems that are computationally intensive and cannot be solved manually in a reasonable timeframe. Formulate tasks involving complex reasoning in physical chemistry, quantum chemistry, and molecular modeling. Ensure problems align with genuine research challenges or practical chemistry applications. Validate solutions in Python using standard computational chemistry methods. Document each problem clearly and provide verified solutions. Candidate Profile Degree in Chemistry or a related discipline. Proficiency in Python for numerical validation; experience with MATLAB, R, C, SQL, NumPy, Pandas, SciPy, or other relevant libraries is a plus. At least 2 years of relevant experience in applied work, research, or teaching. Background in numerical methods and computational chemistry concepts. Excellent written English (C1 level or higher). How to Join Apply with a CV in English and indicate your English proficiency level. Pass qualification steps. Join a project. Complete assigned tasks. Receive compensation. Time Commitment Expect to contribute approximately 10–20 hours per week during active project phases. Actual workload may vary depending on project needs and is not guaranteed. Compensation Earnings can reach up to $17 per hour, depending on expertise and pace. Compensation may differ by project scope, complexity, and required skills.

Role overview Toloka AI seeks a Freelance Legal Consultant with strong expertise in US law. This remote role is open to candidates based in Uruguay. The consultant will contribute legal knowledge to support the training of AI systems, aiming to improve how these systems understand and process legal concepts and frameworks relevant to the United States. What you will do Use knowledge of US law to guide the development and training of AI models Work with interdisciplinary teams to ensure the accuracy and relevance of legal data Provide insights on legal nuances and frameworks to help shape AI-driven legal technology

Please submit your CV in English and specify your English proficiency level. Mindrift connects experienced specialists with project-based AI initiatives for leading technology companies. The team focuses on testing, evaluating, and improving AI systems. This is a freelance, project-based role and not a permanent position. Role overview As a Freelance Quantum Research Scientist & AI Trainer, assignments span a variety of projects, each presenting unique challenges. Work centers on crafting and validating computational physics problems that reflect real research practices. Tasks often require advanced Python programming and a strong grasp of physics concepts. Create original computational physics problems modeled on authentic research methods Develop problems that require Python programming to solve, often using libraries such as Numpy, SciPy, and Sympy Design computationally intensive tasks unsolvable by hand within reasonable timeframes Formulate problems involving advanced reasoning in mechanics, electromagnetism, thermodynamics, and quantum mechanics Base tasks on real-world research scenarios or practical physics applications Validate solutions using Python and established physics simulation libraries Document problem statements clearly and provide verified solutions Requirements Degree in Physics (theoretical, experimental, or computational) or a closely related field Proficiency in Python for numerical validation; experience with MATLAB, R, C, SQL, Numpy, Pandas, SciPy, or similar tools is also acceptable At least 2 years of professional experience, including research or teaching Background in numerical simulation techniques Ability to design problems that mirror real-world physics research workflows Creative approach to problem formulation across different physics domains Understanding of physics modeling and approximation methods Strong written English skills (C1 level or above) How to apply Apply Complete qualification(s) Join a project Fulfill assigned tasks Receive compensation Time commitment During active projects, expect to dedicate roughly 10–20 hours per week. Actual hours may vary with project needs. Compensation Earn up to $17 per hour, depending on contribution and pace. Rates vary by project scope, complexity, and required expertise. Other projects on the platform may offer different compensation structures. Location: Remote , Uruguay

Join Anyone-AI as an AI Software Engineering Trainer in Uruguay! In this dynamic role, you will leverage your expertise in AI and software engineering to educate and train aspiring professionals.As an AI Software Engineering Trainer, you will create and deliver engaging training sessions, develop educational materials, and provide mentorship to students. Your passion for technology and ability to communicate complex concepts will inspire the next generation of software engineers.

Mindrift matches experienced professionals with project-based AI roles for top technology companies. The team works to test, evaluate, and improve AI systems, aiming to drive innovation and efficiency. Role overview The Freelance Supply Chain Consultant - AI Trainer brings practical procurement and supply chain knowledge to help shape and assess AI-powered solutions. This work involves designing realistic disruption scenarios, outlining expected outcomes, and evaluating AI recommendations for accuracy and relevance. What you will do Create supply chain disruption scenarios based on real manufacturing and procurement challenges, such as supplier delays, order changes, logistics problems, and quality failures. Define expected results and practical mitigation strategies for each scenario. Review and assess AI-generated recommendations to ensure they align with established business logic. Evaluate outputs for accuracy and relevance within ERP systems, especially Microsoft Dynamics 365, Coupa, Jaggaer, and Ariba (SAP). Help create and validate structured data, following specific guidelines. Requirements Minimum 4 years of hands-on experience in procurement, supply chain, or purchasing, ideally within manufacturing. Solid understanding of procurement workflows, including purchase orders, vendor management, inventory control, and production planning. Practical experience with ERP systems such as SAP, Oracle, or Microsoft Dynamics 365. Ability to design and analyze supply chain disruption scenarios and develop mitigation strategies. Knowledge of disruption types like delays, shortages, quality issues, and logistics challenges. Familiarity with Incoterms and transportation or logistics management. Understanding of Bill of Materials (BOM) structures and production planning. Experience tracking 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 tasks. Excellent written English communication. How the process works Apply Pass qualifications Join a project Complete tasks Receive compensation Time commitment Projects usually require about 10-20 hours per week during active phases. The actual workload may vary and is not guaranteed outside these periods. Compensation Contributors can earn up to $50 per hour, depending on experience and project specifics. Location This is a remote position based in Uruguay.

Submit your resume in English, including your proficiency level. Toloka offers freelance online tasks that contribute to the development of artificial intelligence. The company operates remotely and collaborates with major technology firms, engaging skilled individuals in Generative AI projects from around the world. Toloka Annotators participate in projects that require human input and careful attention to detail. The team supports AI progress by working directly with leading tech companies on a variety of assignments. Role overview The Freelance AI Trainer - English Annotator helps AI systems improve their understanding of language and context. This remote role is based in Uruguay and involves taking part in online projects. Typical tasks include: Evaluating AI-generated content Checking for factual accuracy Comparing different AI responses when required Key responsibilities Review data sets, which may include text, images, or videos Label and categorize content according to detailed project guidelines Identify and flag content that is factually incorrect, sensitive, inappropriate, or unclear Important: This is project-based freelance work. Tasks are available only when projects are active, and invitations to participate depend on your profile and current needs. Compensation Rates vary by project complexity and required skills. AI trainers can earn up to $10 per hour. For more information, visit https://toloka.ai/.

Role overview Anyone AI seeks experienced software engineers based in Uruguay for remote, part-time consultancy work. This role involves collaborating with a prominent AI laboratory on a project basis, focusing on both software engineering and training in artificial intelligence. Flexible scheduling and project-based compensation are core aspects of this engagement. What you will do Design and implement advanced coding tasks, such as bug fixes, adding new features, refactoring code, and building tests. Create clear natural-language specifications and supply reference implementations. Develop and enhance unit and integration test suites. Review peer-created tasks to check for correctness, clarity, and realistic scenarios. Spot edge cases, ambiguities, and potential failure points in tasks and code. Maintain consistency between specifications, code, and expected results. Engagement details This consultancy is part-time and project-based. Compensation is determined per project. Work on your own schedule, choose your preferred tools, and continue with other clients if their policies permit.

Role overview Toloka Annotators seeks a freelance AI Trainer - Data Annotation Specialist to help improve AI systems by providing accurate data labeling. This contract role is remote and open to candidates living in Uruguay. What you will do Label and annotate various types of data for machine learning projects Review data to confirm accuracy and quality for use in AI models Work independently, following project guidelines and meeting deadlines Requirements Strong attention to detail and consistency when handling data tasks Interest in artificial intelligence and its practical uses Ability to manage your own schedule and work remotely This freelance position is fully remote and available to those based in Uruguay.

Please submit your CV in English and include your English proficiency level. This freelance, project-based contract with toloka-ai is remote and open to candidates based in Uruguay. Mindrift connects skilled professionals with project-based AI roles at leading tech companies, with a focus on evaluating and improving AI systems. This is not a permanent position. Role overview The Freelance AI Agent Evaluation Engineer builds datasets to measure how well AI coding agents perform real-world software development tasks. The work centers on designing complex tasks and evaluation criteria inside detailed simulated environments. What you will do Create virtual companies from high-level blueprints, including realistic codebases, infrastructure, and context like conversations, documentation, and tickets to simulate authentic development environments with history. Curate and adjust tasks at different stages of the virtual company. This includes developing prompts, defining evaluation criteria, and ensuring tasks are solvable and fairly assessed. Design challenges in isolated settings that mimic a developer's workstation: a Linux environment with development tools (terminal, CLI), MCP servers (repository, task tracker, messenger, documentation), and a real web application codebase. Develop tests that reliably accept all correct solutions and reject incorrect ones, aiming for a balance between strictness and fairness. Work alongside an AI agent on these tests, ensuring the agent catches real issues, does not accept poor solutions, and passes valid ones. Review code generated by AI agents, analyze both successes and failures, and design edge cases and adversarial scenarios to further challenge the models. Iterate on your approach based on feedback from expert QA reviewers who assess your work for quality. What this role does not include Data labeling Prompt engineering Writing code from scratch (the AI agent will handle most coding; your focus is on guiding and evaluating) This role involves close collaboration with advanced AI models, crafting tasks that push their capabilities and evaluating their performance in realistic scenarios.