Freelance AI Trainer - Physics Specialist with Python

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

Please submit your CV in English and specify your English proficiency level. Mindrift connects specialists with project-based AI work for technology companies. Assignments focus on testing, evaluating, and improving AI systems. This freelance, project-based role does not constitute permanent employment. Role overview This freelance AI Trainer position is open to candidates based in Uruguay. Work is fully remote and centers on computational statistics and Python programming. Projects involve real-world mathematical research and problem solving. What you will do Create original computational statistics problems that reflect authentic mathematical research workflows. Design challenges requiring Python programming, using libraries such as NumPy, SciPy, and SymPy. Develop computationally intensive problems that cannot be solved manually within practical timeframes. Formulate problems involving complex reasoning in areas like number theory, combinatorics, graph theory, and numerical analysis. Base problem sets on real research obstacles or practical mathematical applications. Validate solutions using Python and standard mathematical libraries. Document problem statements clearly and provide verified, correct answers. Requirements Degree in Statistics or a related field. Proficiency in Python for numerical validation. Experience with MATLAB, R, C, SQL, NumPy, Pandas, SciPy, or similar libraries is valued. At least 2 years of professional experience in applied, research, or teaching roles. Strong written English skills (C1 level or higher). Professional certifications (such as CMME, SAS Certifications, CAP) and experience with international or applied projects are a plus. Application process Apply Pass qualification(s) Join a project Complete assigned tasks Receive payment Time commitment During active project phases, tasks usually require 10–20 hours per week. Actual workload depends on project needs and is not guaranteed outside of active periods. Compensation Earn up to $17 per hour, depending on contribution level and pace. Rates may vary by project based on complexity, scope, and required expertise. Other projects on the platform may offer different compensation levels based on their requirements.

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 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.

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 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 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.

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

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

Role Overview anyone-ai is building high-quality STEM training data to support the next generation of AI models. The team focuses on improving how AI systems reason through scientific problems. This role calls for expertise in biology to help shape the data that powers these advances. What You Will Do Create complex, deterministic biology problems that have a single, verifiable solution Develop solutions that mirror real scientific and analytical workflows, ensuring each answer is comprehensive and validated Work within your area of specialization, which may include molecular biology, genetics, systems biology, computational biology, bioinformatics, or other quantitative biology fields Location This is a remote position based in Uruguay.

anyone-ai is building high-quality STEM training data to support advanced AI models for leading research labs. The team focuses on improving how AI systems reason within scientific fields. This Biology AI Training Specialist role centers on designing complex, deterministic biology problems that have a single, verifiable answer. Each problem should reflect real scientific and analytical workflows, paired with a thorough, validated solution. Areas of focus may include molecular biology, genetics, systems biology, computational biology, bioinformatics, or other quantitative biology specializations, depending on expertise. What you will do Develop advanced biology problems that test the limits of current AI systems. Create deterministic tasks with only one correct answer, ensuring clarity and reproducibility. Write and verify complete solutions for each problem. Design problems that require experimental reasoning, analysis of biological systems, computational workflows, or bioinformatics methods. Use Python and, when relevant, specialized biology or bioinformatics tools. Consistently maintain rigorous standards and technical precision in all submissions. Requirements Bachelor's, Master's, or PhD in Biology or a closely related life sciences field. Background in research or industry with experience in computational or quantitative biological analysis. Proficiency in Python; experience with data analysis or bioinformatics workflows is a plus. Strong analytical skills and confidence in solving multi-step scientific problems. Ability to create original, challenging problems rooted in real-world biological practice. Excellent written English and attention to detail. Preferred skills Experience in molecular biology, genetics, or bioinformatics. This position is based in Uruguay.

Mindrift, in partnership with toloka-ai, offers project-based freelance roles for mathematics and Python specialists interested in supporting AI development for leading technology firms. This contract position is fully remote and based in Uruguay. All applicants should submit their CV in English and specify their English proficiency level. Role overview This freelance role centers on creating and validating advanced computational mathematics problems for AI system evaluation. Each project brings unique challenges, requiring contributors to: Develop original mathematics problems that mirror real research workflows Design problems requiring Python programming to solve, often using libraries like Numpy, SciPy, or Sympy Ensure problems are computationally intensive, not solvable by hand in a reasonable time Incorporate complex reasoning across fields such as number theory, combinatorics, graph theory, and numerical analysis Draw from real-world research or practical applications in mathematics Verify solutions using Python and standard mathematical libraries Document problem statements clearly and provide accurate, verified answers Requirements Degree in Mathematics (Pure or Applied) or a related field Proficiency in Python for numerical validation; experience with MATLAB, R, C, SQL, Numpy, Pandas, SciPy, or similar tools is also valued At least 2 years of professional experience in applied mathematics, research, or teaching Background in numerical methods and symbolic computation Ability to design problems reflecting authentic mathematical research Understanding of computational complexity theory Strong written English skills at C1 level or higher How projects work The process includes: Apply → Pass qualifications → Join a project → Complete tasks → Receive payment. Time commitment During active project phases, tasks generally require 10–20 hours per week. Actual workload depends on project needs and is not guaranteed outside active periods. Compensation Contributors may earn up to $17 per hour, depending on expertise and pace. Actual rates vary by project scope and complexity. Other projects on the platform may offer different earning potential.

Please submit your CV in English and include your English proficiency level. Mindrift connects professionals with project-based AI work for technology companies. Projects involve testing, evaluating, and improving AI systems. This is a non-permanent, project-based contract. Role overview The Freelance Research Physicist with Python expertise role offers a variety of project-based challenges. Contributors take on tasks such as designing original computational physics problems that reflect real research workflows. Typical work includes: Developing Python-based problems using libraries such as Numpy, SciPy, and Sympy Ensuring problems are computationally intensive and not easily solved by hand Creating scenarios that require advanced reasoning in mechanics, electromagnetism, thermodynamics, and quantum mechanics Drawing from real research questions or practical physics applications Validating solutions in Python with established physics simulation libraries Documenting problem statements clearly and providing verified 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, or similar tools is valued At least 2 years of professional experience in applied research or teaching Background in numerical simulation techniques Ability to design problems that mirror real research workflows Creative approach to problem design across multiple physics areas Familiarity with physics modeling and approximation methods Excellent written English (C1 level or higher) How to get started Apply, complete the required qualifications, join a project, and finish assigned tasks to receive payment. Project details Tasks typically require 10–20 hours per week during active project phases. Actual workload may vary based on project needs. Compensation Contributors may earn up to $17 per hour, depending on expertise and pace. Actual pay varies by project scope, complexity, and required skills. Other projects on the platform may offer different rates based on their needs.

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

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.

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.

Mindrift seeks a Freelance Python Data Scraping Engineer to join the Tendem project. This remote, part-time position is based in Uruguay and centers on building and refining data scraping workflows for a system that blends AI and human input. The role involves collaborating with Tendem Agents who handle repetitive tasks, while you focus on technical challenges and ensuring high data quality. What you will do Extract complex data from a range of challenging websites, delivering accurate and well-structured datasets. Work with internal tools such as Apify and OpenRouter, along with custom workflows, to collect, validate, and process data as required by each project. Adapt scraping methods to handle dynamic or interactive sites, including those with JavaScript-rendered content and frequent updates. Apply thorough data validation and consistency checks across multiple sources before delivering final datasets. Scale scraping operations for larger volumes using batching or parallel processing, monitor for failures, and maintain workflow stability as site structures evolve. Requirements Minimum 3 years of experience in data engineering, web scraping, or automation. Compensation Earn up to $21 per hour, depending on experience, project complexity, and contribution speed. Rates may vary for other projects based on their scope and skill requirements. How to apply Submit an application to be considered for projects that match your background and availability. Whether your expertise is in coding, automation, or refining AI outputs, your work will help advance AI capabilities for practical use.

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

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.