Freelance Annotator (English) - AI Trainer

Please submit your CV in English and include your English proficiency level. About the Role toloka-ai, in partnership with Mindrift, connects specialists with AI projects for top technology companies. This freelance position is project-based and does not offer permanent employment. What You Will Do Create original computational statistics problems that reflect real mathematical research processes. Design challenges that require Python programming to solve, using tools such as Numpy, SciPy, and Sympy. Develop problems that are computationally intensive, intended to take days or weeks to solve manually. Formulate tasks involving complex 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 standard mathematical libraries. Document each problem clearly and provide verified, correct answers. Who We’re Looking For Degree in Statistics or a closely related field. Proficiency in Python for numerical validation. Knowledge of MATLAB, R, C, SQL, Numpy, Pandas, SciPy, or similar libraries is also valued. Minimum of 2 years’ relevant experience (applied, research, or teaching roles). Strong written English skills (C1 or higher). Professional certifications (such as CMME, SAS Certifications, CAP) and experience with international or applied projects are a plus. How Projects Work The process includes: Application → Qualification Assessment → Project Participation → Task Completion → Compensation Time Commitment Expect to commit roughly 10–20 hours per week during active project phases. Actual hours depend on project requirements and are not guaranteed outside of active assignments. Compensation Earn up to $38 per hour. Actual pay depends on the complexity of the project, required expertise, and individual contributions. Compensation may vary between projects. Location This is a remote role based in Queensland, Australia.

Please submit your CV in English and indicate your level of English proficiency. Mindrift offers project-based, remote roles for professionals skilled in chemistry and Python. These freelance positions focus on supporting AI development for leading technology companies. Participation is not permanent employment, and work is assigned on a project basis. What you will do Design computational chemistry problems that reflect real-world research workflows. Create Python-based challenges requiring programming solutions, often using numpy, scipy, and chemistry-specific libraries. Ensure problems are complex enough to require computational methods, not manual solutions. Develop tasks involving advanced reasoning in physical chemistry, quantum chemistry, and molecular modeling. Base assignments on authentic research scenarios or practical chemistry applications. Validate solutions using Python and established computational chemistry techniques. Document each problem clearly and provide verified answers. 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 relevant chemistry libraries is also acceptable. At least 2 years of professional experience in applied research, teaching, or a related area. Background in numerical methods within chemistry. Knowledge of computational chemistry concepts and techniques. Strong written English skills (C1 level or higher). How projects work The process includes application, qualification, joining a project, completing assigned tasks, and receiving payment. During active project phases, tasks typically require 10–20 hours per week, though actual workload may vary. Compensation Contributors can earn up to $35 per hour, depending on expertise and pace. Compensation may differ by project based on scope, complexity, and required skills. Other projects may offer different pay structures.

Toloka AI is looking for a Freelance AI Trainer with a strong background in biology and Python. This remote position is based in Queensland, Australia and centers on advancing AI in the biological sciences. Role overview This role involves developing and refining AI models by applying expertise in both biology and programming. The work supports new advances in how AI is used within biological research and applications. What you will do Collaborate with a diverse team to design and improve training materials Participate in model training sessions, using knowledge of biology and Python to guide AI development Work environment This freelance position offers the flexibility of remote work and the chance to contribute meaningfully to the AI community, particularly at the intersection of technology and biological science.

Toloka AI seeks a Mechanical Engineer with strong Python programming skills for a freelance, remote role based in Queensland, Australia. This contract position focuses on training and content development at the intersection of mechanical engineering and artificial intelligence. Responsibilities Design and develop training modules that highlight AI applications in mechanical engineering Create educational materials tailored for engineers, ensuring clarity and engagement Lead training sessions for learners interested in combining AI with mechanical systems Collaborate with the engineering team to maintain the accuracy and relevance of all content Requirements Background in mechanical engineering Strong proficiency in Python Experience with teaching, mentoring, or creating technical educational content Interest in artificial intelligence and its applications within engineering Location This freelance position is remote and open to candidates based in Queensland, Australia.

Please submit your CV in English and specify your English proficiency level. About the Role Toloka AI, in partnership with Mindrift, offers project-based work for physics specialists with strong Python skills. This is a freelance, remote contract (not a permanent position) supporting the evaluation and development of AI systems for major technology partners. What You Will Do Create original computational physics problems that mirror real-world research workflows. Design tasks that require Python programming for solutions, using libraries such as Numpy, SciPy, and Sympy. Ensure problems are computationally intensive and cannot be solved manually in a short timeframe (days to weeks). Develop challenges involving advanced reasoning in mechanics, electromagnetism, thermodynamics, and quantum mechanics. Base tasks on actual research questions or practical physics applications. Validate solutions with Python and standard simulation libraries. Document problem statements clearly and provide verified solutions. Who We’re Looking For Degree in Physics (theoretical, experimental, or computational) or a closely related field. Proficiency in Python for numerical validation. Familiarity with MATLAB, R, C, SQL, Numpy, Pandas, SciPy, Stata, or similar tools is a plus. At least 2 years of experience in applied, research, or teaching roles. Background in numerical simulation methods. Ability to design problems that reflect genuine physics research workflows. Creative approach to problem formulation across various physics domains. Familiarity with modeling and approximation techniques in physics. Strong written English skills (C1 level or above). Project Structure Application → Qualification → Project Engagement → Task Completion → Compensation Time Commitment Expect to dedicate around 10–20 hours per week during active project phases. Actual workload depends on project needs and is not guaranteed. Compensation Contributors may earn up to $35 per hour, depending on contribution level and task completion speed. Rates can vary by project based on complexity and required expertise. Other projects on the platform may offer different compensation structures.

Please submit your CV in English and highlight your English proficiency. About Mindrift Mindrift connects skilled specialists with project-based AI work for leading technology companies. Most projects focus on testing, evaluating, and improving AI systems. This is a freelance, project-based role, not a permanent position. Role Overview As an Optical Engineer with Python expertise, contribute to projects by designing and validating challenging computational physics problems. These problems help simulate real research workflows and test AI capabilities in physics domains. What You Will Do Design computational physics problems that reflect authentic research scenarios. Create Python-based problems using libraries such as Numpy, SciPy, or Sympy. Ensure problems are computationally intensive and cannot be solved manually within days or weeks. Develop scenarios requiring complex reasoning in mechanics, electromagnetism, thermodynamics, and quantum mechanics. Base scenarios on real research challenges or practical applications from the field. Validate solutions using Python and standard physics simulation libraries. Document problem statements clearly and provide accurate, verified solutions. Who We’re Looking For Degree in Physics (theoretical, experimental, or computational) or a related discipline. Proficiency in Python for numerical validation. Experience with MATLAB, R, C, SQL, Numpy, Pandas, SciPy, or similar libraries is a plus. At least 2 years of professional experience in applied research or teaching. Background in numerical simulation methods. Ability to design problems that mirror real-world research processes in physics. Creative problem-solving skills across multiple physics domains. Familiarity with physics modeling and approximation techniques. Strong written English skills (C1+ level). Project Process Application Qualification Assessment Project Participation Task Completion Compensation Time Commitment Tasks typically require about 10–20 hours per week during active project phases. Actual workload may vary depending on project needs and is not guaranteed. Compensation Earn up to $45 per hour, depending on expertise and contribution. Compensation may differ by project based on scope and complexity. Location This freelance role is remote and open to candidates based in Queensland, Australia.

Please submit your CV in English and indicate your level of English proficiency. Mindrift partners with skilled professionals for project-based AI work serving leading technology companies. This freelance contract centers on evaluating and improving AI systems within engineering environments. The position is contract-only and does not transition to permanent employment. Role overview This freelance Material Scientist with Python expertise will design original materials that reflect real-world engineering processes and challenges. Assignments focus on engineering scenarios, research questions, and practical problem-solving using computational tools. What you will do Create problems that require Python programming for engineering calculations or simulations. Develop computationally intensive challenges using numerical methods or iterative solutions. Formulate tasks involving system design, optimization, and analysis. Ensure assignments are grounded in genuine research or practical engineering situations. Validate solutions using Python and standard engineering libraries. Write clear, precise problem statements and provide accurate, verified solutions. Requirements Background as a material scientist or engineer with strong Python skills. 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 libraries is valued. Minimum of 2 years of professional experience in industry, research, or teaching. Solid understanding of practical engineering constraints and approximations. Excellent written English at C1 level or above. How to join Apply Meet the qualifications Join a project Complete assigned tasks Receive compensation Project commitment During active project phases, expect to spend 10-20 hours per week on assigned tasks. Workload may vary and is not guaranteed outside of active project periods. Compensation Earn up to $35 per hour, depending on contribution and pace. Actual rates may differ by project, based on complexity, scope, and expertise required. Other projects on the platform may offer different compensation structures.

Please submit your CV in English and specify your English proficiency level. About Mindrift Mindrift connects experienced professionals with project-based AI work for leading technology companies. Projects focus on testing, evaluating, and improving AI systems. This is a contract-based role, not permanent employment. Role Overview As a Freelance AI Trainer (Research Physicist with Python Expertise), contributors help shape AI by designing and validating advanced computational physics problems. Work is remote and project-based, with tasks varying by assignment. Key Responsibilities Create original computational physics problems that reflect real research workflows. Develop problems requiring Python programming to solve, using libraries such as Numpy, SciPy, and Sympy. Ensure problems are computationally intensive and cannot be solved manually in a reasonable time. Design problems that demand complex reasoning in mechanics, electromagnetism, thermodynamics, or quantum mechanics. Base problems on authentic research challenges or practical physics applications. Validate solutions with Python and standard physics simulation libraries. Document problem statements clearly and provide verified solutions. Who This Suits This project fits physicists with Python experience interested in flexible, part-time, non-permanent work. The ideal background includes: A 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, Stata, or other programming languages is also valuable. At least 2 years of professional experience in applied physics, research, or teaching. Expertise in numerical simulation techniques. Ability to design problems that mirror real research workflows in physics. Creative problem-solving across multiple physics domains. Familiarity with physics modeling and approximation methods. Strong written English at C1 level or above. Application Steps Apply Pass qualifications Join a project Complete assigned tasks Receive compensation Time Commitment During active project phases, tasks typically require 10–20 hours per week. Actual hours may vary depending on project needs. No minimum workload is guaranteed. Compensation Contributors can earn up to $35 per hour, depending on contribution level and speed. Rates may vary between projects based on their scope, complexity, and expertise required. Other projects on the Mindrift platform may offer different compensation levels. Location: Remote , Queensland, Australia

Please submit your CV in English and include a self-assessment of your English proficiency. Mindrift, in partnership with toloka-ai, offers freelance, project-based work for experienced data scientists. This role supports technology companies as they test, evaluate, and improve AI systems. Engagements are project-specific and do not represent permanent employment. Key responsibilities Create original data science challenges that mirror real-world analytical workflows in sectors like telecommunications, finance, government, e-commerce, and healthcare. Develop problems requiring advanced Python programming with libraries such as Pandas, Numpy, Scipy, Sklearn, Statsmodels, Matplotlib, and Seaborn. Design computationally intensive tasks that cannot be solved manually within a reasonable timeframe. Build scenarios involving complex reasoning in data processing, statistical analysis, feature engineering, predictive modeling, and deriving actionable insights. Ensure all problems are deterministic and reproducible by avoiding stochastic elements or by setting fixed random seeds. Base challenges on real business use cases, including customer analytics, risk assessment, fraud detection, forecasting, optimization, and operational efficiency. Develop end-to-end problems that span the full data science pipeline: data ingestion, cleaning, exploratory data analysis, modeling, validation, and deployment considerations. Include big data processing scenarios that need scalable computational approaches. Validate solutions in Python using standard data science libraries and statistical methods. Document each problem with a clear business context and provide verified correct answers. Location This is a remote freelance role based in Queensland, Australia.

Please submit your CV in English and specify your English proficiency level. Mindrift offers project-based freelance roles for mathematicians and Python specialists. Work remotely on AI projects for leading technology firms, focusing on testing, evaluating, and improving AI systems. All engagements are project-based and not permanent positions. What you will do Create original computational mathematics problems that mirror real mathematical research workflows Design challenges requiring Python programming solutions, often using libraries like Numpy, SciPy, and Sympy Develop problems that are computationally intensive and may take days or weeks to solve Craft problems involving complex reasoning in areas such as number theory, combinatorics, graph theory, and numerical analysis Base problems on real-world research questions or practical mathematical applications Validate solutions using Python and standard mathematical libraries Document problem statements clearly and provide verified solutions Requirements Degree in Mathematics (Pure or Applied) or a related field Strong Python skills for numerical validation; experience with MATLAB, R, C, SQL, Numpy, Pandas, SciPy, or similar languages is also considered At least 2 years of professional experience in applied mathematics, research, or teaching Familiarity with numerical methods and symbolic computation Ability to design problems reflecting authentic mathematical research processes Knowledge of computational complexity theory Excellent written English skills (C1+ level) Project workflow Application Qualification Assessment Project Assignment Task Completion Compensation Time commitment During active projects, tasks typically require 10–20 hours per week, depending on project needs. This is an estimate and not a guaranteed workload. Compensation Earn up to $35 per hour, depending on expertise and contribution speed. Actual rates vary by project scope, complexity, and required skills. Other projects on the platform may offer different compensation levels.

Please submit your CV in English and specify your proficiency level. About Mindrift Mindrift connects skilled professionals with project-based AI work from leading technology companies. The focus is on testing, evaluating, and improving AI systems. All participation is on a project basis and does not represent permanent employment. Role Overview Mindrift seeks freelance Electrical Engineers with strong Python skills to contribute to AI projects remotely from Queensland, Australia. Contributors work on a range of project-based tasks, each with its own requirements and timelines. Sample Project Tasks Design computational engineering problems that mirror real engineering workflows Create challenges that require Python programming for engineering calculations and simulations Develop problems that involve computationally intensive tasks, including those needing numerical methods or iterative approaches Build scenarios focused on system design, optimization, and analysis Base assignments on real research challenges or practical engineering applications Validate solutions using Python and standard engineering libraries Write clear problem statements and provide verified solutions Who Thrives in This Role Holds a degree in Electrical Engineering or a related discipline Demonstrates strong Python skills for numerical validation; experience with MATLAB, R, C, SQL, Numpy, Pandas, SciPy, or other domain-specific libraries is also valued Has at least 2 years of experience in applied, research, or teaching roles Understands practical engineering constraints and approximations Writes advanced English (C1+ level) Professional certifications (such as CMME, SAS Certifications, CAP) and experience with international or applied projects are a plus Project Commitment Active project phases typically require an estimated 10–20 hours per week. Actual workload may vary depending on project needs and timelines. Compensation Contributors can earn up to $39 per hour, depending on their contribution and speed. Rates vary by project based on complexity, scope, and expertise required. Other projects on the platform may offer different compensation depending on their specific requirements. How to Apply Submit your application Pass the qualification process Join a project Complete assigned tasks Receive payment This is a freelance, project-based position. Permanent employment is not offered for this role.

Role overview Toloka AI seeks a Freelance English Writer - AI Trainer to help shape and refine artificial intelligence systems. This contract role centers on producing clear, effective written content that supports the training and accuracy of AI models. What you will do Create and edit English-language materials used for AI training Work on projects that review, improve, and assess AI-generated text Collaborate remotely with a diverse team of professionals Location This remote position is open to candidates based in Queensland, Australia. Work can be performed from any location with reliable internet access.

Toloka AI seeks a Freelance Junior Journalist - AI Trainer for a remote contract based in Queensland, Australia. This role blends journalism skills with AI model training tasks. What you will do Create original written content on a range of topics Contribute to the development and improvement of AI models by providing feedback and data Role focus This position centers on both content creation and practical work with AI systems. Assignments may cover various subjects, requiring adaptability and clear communication. Location This is a remote contract for candidates based in Queensland, Australia.

Please submit your CV in English and indicate your level of English proficiency. Toloka AI, through Mindrift, is looking for freelance Research Physicists and AI Trainers for remote, project-based assignments in Queensland, Australia. Contributors support top technology companies by testing, evaluating, and improving AI systems. This arrangement is not permanent employment; participation is linked to specific projects as they arise. Role overview This contract role centers on developing original optics problems that reflect real-world physics research. Assignments often involve designing scenarios that require significant computational resources, making manual solutions impractical. Work spans advanced reasoning in mechanics, electromagnetism, thermodynamics, and quantum mechanics, with each challenge based on authentic research issues or practical applications. Clear documentation and accurate solutions are expected for every problem created. Responsibilities Create original optics problems modeled after actual research workflows Design challenges requiring extensive computation, beyond manual solving Develop scenarios in mechanics, electromagnetism, thermodynamics, and quantum mechanics Ground problems in real research or practical physics applications Document problems and provide thoroughly verified solutions Requirements Degree in Physics (theoretical, experimental, or computational) or a related field At least 2 years of experience in applied physics, research, or teaching Familiarity with numerical simulation techniques Ability to design problems that reflect real research processes Creative problem-solving skills across various physics domains Experience with physics modeling and approximation Strong written English skills at C1 level or higher Project details During active project periods, tasks generally require 10–20 hours per week. Actual workload depends on project needs and is not guaranteed. Commitment is expected only while assigned to a current project. Compensation Contributors may earn up to $35 per hour, with rates varying by project based on scope, complexity, and required expertise. Other projects on the platform may offer different compensation depending on their requirements. Application process Apply Pass qualification(s) Join a project Complete assigned tasks Receive compensation

Please submit your CV in English and indicate your level of English proficiency. About Mindrift Mindrift connects skilled specialists with project-based AI work for leading technology companies. The focus is on testing, evaluating, and improving AI systems. All roles are project-based and do not offer permanent employment. Role Overview This freelance position suits quantum research scientists with Python expertise who are interested in flexible, part-time projects. Contributors work on a variety of tasks, which may include: Designing original computational physics problems that reflect real research workflows Developing problems that require Python programming for solutions, using libraries such as Numpy, SciPy, and Sympy Creating computationally intensive problems that cannot be solved manually within a reasonable timeframe Formulating problems involving complex reasoning in mechanics, electromagnetism, thermodynamics, and quantum mechanics Basing problems on genuine research challenges or practical applications in physics Validating solutions in Python with standard physics simulation libraries Documenting problem statements clearly and providing verified, correct answers Who We’re Looking For 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, or SciPy is also valued At least 2 years of professional experience in applied research, teaching, or similar roles Background in numerical simulation techniques Ability to design problems that mirror real physics research workflows Creative approach to problem-solving across different physics domains Knowledge of physics modeling and approximation methods Strong written English skills at C1 level or above How to Apply Submit your application, complete the required qualifications, join a project, finish assigned tasks, and receive payment. Time Commitment Project tasks typically require 10–20 hours per week during active phases. Actual workload may vary depending on project needs and is not guaranteed. Compensation Earn up to $35 per hour, depending on expertise and pace. Compensation may differ by project based on complexity, scope, and required skills. Location: Remote , Queensland, Australia

Toloka AI seeks a Freelance Civil Engineer and Python Specialist for contract work on AI training projects. This remote position is open to candidates located in Queensland, Australia. The role brings together civil engineering experience and Python programming to support the development and improvement of AI training solutions. Responsibilities Use civil engineering knowledge to contribute to AI training initiatives Write and refine Python code to build, validate, or improve AI training data and workflows Work with Toloka AI teams to achieve reliable, high-quality project outcomes Location This is a remote contract role for candidates based in Queensland, Australia.

Toloka AI seeks a Freelance Legal Consultant with strong expertise in U.S. law to contribute to the training of artificial intelligence systems. This contract position is open to candidates residing in Queensland, Australia, and offers the flexibility to work fully remotely. Key Responsibilities Use knowledge of U.S. legal principles to assist in developing and refining AI models. Review and analyze AI-generated legal content, offering detailed feedback to improve accuracy and relevance. Participate in collaborative projects aimed at enhancing the performance of AI within the legal field. Location This role is remote. Candidates may work from any location within Queensland, Australia.

This freelance contract role with toloka-ai focuses on supporting AI system development and evaluation for technology companies. The position is remote and open to candidates based in Queensland, Australia. The engagement is project-based, not permanent employment. Role overview The Freelance Supply Chain Consultant - AI Trainer draws on practical experience in procurement and supply chain management to create realistic disruption scenarios, define outcomes, and develop mitigation strategies. Responsibilities include reviewing AI-generated recommendations for accuracy and business fit, especially within manufacturing and procurement operations. What you will do Design supply chain disruption scenarios reflecting real-world challenges such as supplier delays, quantity changes, logistics issues, and quality concerns in manufacturing and procurement. Define expected outcomes and mitigation strategies for each scenario. Evaluate AI-generated responses to ensure alignment with business logic and operational requirements. Review outputs for accuracy, completeness, and relevance within ERP systems (including Microsoft Dynamics 365, Coupa, Jaggaer, and Ariba/SAP). Create and validate structured data following provided guidelines and frameworks. Requirements Minimum 4 years of hands-on experience in procurement, supply chain management, or purchasing, ideally in a manufacturing setting. Strong understanding of procurement workflows: purchase orders, vendor management, inventory control, and production planning. Direct experience with ERP platforms such as SAP, Oracle, or Microsoft Dynamics 365. Ability to design and assess supply chain disruption scenarios and related mitigation strategies. Familiarity with disruption types including delays, shortages, quality problems, and logistics issues. Knowledge of Incoterms and logistics management principles. Understanding of Bill of Materials (BOM) structures and production planning. Experience tracking supplier performance metrics (such as OTIF, lead times, and quality scores). Analytical skills to evaluate AI outputs against business logic. Background in data validation and structured data entry or annotation. Excellent written English communication skills. Project commitment Workload typically ranges from 10 to 20 hours per week during active project periods. Actual hours may vary depending on project needs. Compensation Contributors may earn up to $60 per hour, depending on experience and contribution. How to apply Submit your application. If qualified, join a project. Complete assigned tasks. Receive payment. Note: This is a project-based contract role, not a permanent employment position.

Mindrift brings together skilled professionals and AI-focused projects from leading technology companies. The platform emphasizes collaboration between human expertise and AI, supporting the advancement of Generative AI through global talent. Role overview This part-time, freelance role focuses on data scraping for the Tendem project. The position is fully remote and based in Queensland, Australia. As an AI Pilot, collaboration with Tendem Agents will be central to delivering precise and dependable data extraction and processing. What you will do Manage the entire data extraction process from complex websites, producing structured datasets within deadlines. Work with internal tools such as Apify and OpenRouter, as well as custom workflows, to enhance data collection and validation. Adapt extraction methods to handle dynamic web content and respond to evolving site structures. Conduct validation checks and systematic reviews to ensure high data quality before delivery. Streamline scraping operations for large datasets by batching tasks and monitoring for consistent performance as websites change. Compensation Earnings may reach up to $32 per hour, depending on experience and the pace of contributions. Actual rates can vary with the scope and complexity of assigned projects.