Freelance AI Trainer - Data Annotation Specialist

Mindrift brings together specialists for AI projects with major technology companies. The team advances Generative AI by leveraging expertise from a global network. Role overview This freelance, remote position is based in Lyon, Auvergne-Rhône-Alpes, France. As a Python Data Scraping Engineer on the Tendem project, the main focus is building and maintaining data scraping workflows for a hybrid AI and human system. Collaboration with Tendem Agents is central, combining technical skills with sound judgment to deliver accurate, high-quality data. This part-time role suits technical professionals with practical experience in web scraping, data extraction, and processing. What you will do Extract data from complex websites and deliver structured datasets, ensuring accuracy and completeness. Use internal tools such as Apify and OpenRouter, alongside custom workflows, to streamline data collection, validation, and task execution. Adapt extraction methods for dynamic and interactive sites, including those with JavaScript-rendered content or shifting layouts. Run validation and verification checks to uphold high data quality standards before delivery. Optimize scraping for large datasets through batching or parallel processing, monitor for errors, and maintain stability as site structures change. Requirements Minimum 3 years of experience in data engineering, web scraping, automation, or a closely related area. Compensation Earn up to $32 per hour. Actual rates depend on project scope, complexity, and required expertise. How to apply Apply to this posting and complete the qualification process. Projects are matched to technical strengths and availability. Contributions support the advancement of AI capabilities and their real-world use.

Please submit your resume in English and indicate your English proficiency level. toloka-ai, in partnership with Mindrift, brings together engineering specialists and project-based AI initiatives for leading technology companies. Projects focus on testing, evaluating, and improving AI systems. This freelance role is project-based and does not represent permanent employment. Role overview This position centers on designing computational engineering problems that reflect real-world tasks. The work involves creating scenarios that require Python programming for calculations and simulations. Problems should be computationally intensive, often using numerical methods or iterative solutions. Scenarios may include system design, optimization, and analysis, drawing inspiration from research challenges or practical engineering applications. Each problem must be clearly documented, with solutions validated using Python and standard engineering libraries. Requirements Degree in Electrical Engineering or a related discipline Strong Python skills for numerical validation; experience with MATLAB, R, C, SQL, Numpy, Pandas, SciPy, or similar tools is a plus Minimum of 2 years of relevant professional experience (applied, research, or teaching) Understanding of practical engineering constraints and approximations Exceptional written English (C1 level or higher) Professional certifications (such as CMME, SAS Certifications, CAP) and experience with international or applied projects are advantageous How to apply Apply online Complete the qualification process Join a project Finish assigned tasks Receive payment Time commitment During active project phases, expect to spend approximately 10–20 hours per week, depending on project needs. This is an estimate and not a guaranteed workload. Compensation Earn up to $50 per hour, depending on expertise and task completion speed. Actual rates may vary by project, based on scope, complexity, and required skills.

Please submit your CV in English and indicate your English proficiency level. Mindrift connects skilled professionals with project-based AI work for leading technology companies. The focus is on testing, evaluating, and improving AI systems. This is a project-based contractor role, not a permanent position. Role overview The Freelance Optical Engineer with Python role centers on developing and evaluating computational physics problems that push the boundaries of AI in physics. Each project presents new challenges, often involving: Designing computational physics problems that reflect actual research practices Creating tasks that require Python programming to solve, using libraries such as Numpy, SciPy, or Sympy Ensuring that problems are complex enough to take days or weeks to solve computationally Developing challenges across mechanics, electromagnetism, thermodynamics, and quantum mechanics Basing problems on real research questions or practical physics applications Validating solutions with Python and established simulation libraries Documenting problem statements clearly and providing accurate, verified solutions Requirements Degree in Physics (theoretical, experimental, or computational) or a closely related discipline Strong Python skills for numerical validation; experience with MATLAB, R, C, SQL, Numpy, Pandas, SciPy, or similar tools is a plus At least 2 years of professional experience in applied, research, or educational settings Familiarity with numerical simulation techniques Ability to design problems that mirror real-world physics research Creative problem design across multiple physics domains Understanding of physics modeling and approximation methods Strong written English skills (C1 level or above) How to apply Apply Pass qualifications Join a project Complete assigned tasks Receive payment Project commitment Expect to dedicate roughly 10–20 hours per week during active project phases. Actual workload may vary depending on project requirements. Compensation Earn up to $45 per hour, depending on experience and contribution speed. Pay rates differ by project, reflecting scope, complexity, and required expertise. Other projects on the Mindrift platform may offer different compensation levels based on their requirements. Location: Remote , Lyon, Auvergne-Rhône-Alpes, France

Please submit your CV in English and describe your English language proficiency. toloka-ai, working with Mindrift, connects experienced professionals to project-based AI work for leading technology companies. This freelance contract centers on evaluating and refining AI systems. The position is not permanent and assignments are project-based. Project Scope Each assignment brings a new data science challenge. Typical responsibilities include: Designing original data science problems that reflect real analytical workflows in sectors such as telecom, finance, government, e-commerce, and healthcare. Building problems that require Python solutions, using libraries like Pandas, Numpy, Scipy, Scikit-learn, Statsmodels, Matplotlib, and Seaborn. Ensuring tasks are computationally intensive and cannot be solved by hand in a short time. Developing complex scenarios involving data processing, statistical analysis, feature engineering, predictive modeling, and drawing insights. Creating deterministic problems with reproducible outcomes, either by avoiding randomness or setting fixed seeds. Basing problems on real business needs, such as customer analytics, risk assessment, fraud detection, forecasting, optimization, and operational efficiency. Covering the entire data science workflow: data ingestion, cleaning, exploratory analysis, modeling, validation, and deployment considerations. Including big data processing that requires scalable approaches. Validating solutions with Python and standard data science tools and statistical methods. Documenting each problem clearly, providing realistic business context and verified solutions. Requirements At least 5 years of hands-on data science experience with measurable business results. A portfolio of completed projects or publications showing real-world problem solving. Expertise in Python for data science (including pandas, numpy, scipy, scikit-learn, statsmodels). Deep understanding of statistical analysis and machine learning, including practical algorithms and applications. Advanced SQL skills and experience with database operations for analysis and data manipulation. Background in Generative AI technologies (such as LLMs, RAG, prompt engineering, vector databases). Understanding of MLOps and model deployment practices. Familiarity with frameworks like TensorFlow, PyTorch, or LangChain. Strong written English skills at C1 level or above. Application Process Apply Complete qualifications Join a project Perform tasks Receive payment This freelance data scientist role is remote, based in Lyon, Auvergne-Rhône-Alpes, France.

Please submit your CV in English and include your English proficiency level. Role overview This freelance position with toloka-ai (via Mindrift) connects material scientists to project-based AI work for leading technology companies. The main focus is evaluating and improving AI systems. Assignments are temporary and do not constitute permanent employment. What you will do Design materials engineering problems that mirror real-world workflows Create challenges requiring Python programming for engineering calculations and simulations Develop computationally intensive problems using numerical methods or iterative approaches Build tasks involving system design, optimization, and analysis Base challenges on research questions or practical engineering scenarios Validate solutions using Python and standard engineering libraries Document problem statements clearly and provide verified answers Requirements Degree in Material Science or a closely related field Proficiency in Python for numerical validation; experience with MATLAB, R, C, SQL, Numpy, Pandas, SciPy, or similar tools is a plus At least 2 years of professional experience (applied, research, or teaching) Solid understanding of practical engineering constraints and approximations Excellent written English (C1 level or higher) How projects work Apply Pass qualifications Join a project Complete assigned tasks Receive payment Time commitment Active project phases usually require 10–20 hours per week. Actual hours depend on current project needs and are not guaranteed outside of active assignments. Compensation Earn up to $45 per hour, depending on experience and the rate of task completion. Pay may vary by project scope, complexity, and required expertise. Other projects may offer different rates based on their specific requirements.

Toloka AI seeks a freelance AI trainer with a strong background in mechanical engineering and Python. This contract role is fully remote, with candidates based in Lyon, Auvergne-Rhône-Alpes, France. Role overview This position centers on supporting others as they learn to apply AI technologies within mechanical engineering. The work involves both technical instruction and practical guidance. What you will do Train and mentor participants in core mechanical engineering concepts and Python programming skills Offer guidance on using AI tools and techniques to address engineering problems Location This is a remote role for professionals based in Lyon, Auvergne-Rhône-Alpes, France.

Toloka AI seeks a freelance AI Trainer with a background in civil engineering and strong Python skills. This remote contract is based in Lyon, Auvergne-Rhône-Alpes, France. Role overview This position blends technical knowledge in civil engineering and Python programming with a focus on education. Trainers guide learners in understanding how AI can address real-world engineering challenges and help expand AI skills within the field. What you will do Develop training materials centered on AI applications in civil engineering Lead sessions for those interested in AI and engineering topics Answer questions and clarify concepts for participants Work with the team to refine and broaden AI training programs

Toloka AI is looking for a freelance specialist with a strong background in biology and hands-on experience with Python programming. This position centers on supporting the development and improvement of AI models that address challenges in biological research and applications. As an AI Trainer, you will apply your subject matter knowledge to help shape advanced tools for the life sciences. The work is fully remote, connecting you with a team committed to innovation in artificial intelligence. Role overview Contribute biological expertise to projects involving AI and Python. Help refine and improve AI models for use in biological contexts. Collaborate remotely with colleagues focused on AI advancements. Requirements Strong knowledge of biology. Experience programming in Python. Interest in artificial intelligence and its applications in biology. Ability to work independently in a remote setting.

Mindrift partners with specialists to deliver AI solutions for leading technology companies. For the Tendem project (https://tendem.ai/), the team is seeking Freelance AI Workflow Engineers, also known as AI Pilots, to help create and refine scalable, reliable workflows powered by artificial intelligence. This part-time freelance position is fully remote and centers on supporting the Tendem project. While candidates based in Lyon or the wider Auvergne-Rhône-Alpes region are encouraged to apply, location is flexible as all work takes place remotely. What you will do Design, build, and optimize workflows using large language model APIs such as OpenAI, Claude, Gemini, or similar platforms. Develop and enhance AI-driven automation for content creation, enrichment, and communication tasks. Create and improve prompt frameworks to ensure consistent, high-quality results across workflows. Set up systems for automated, personalized outreach, including email campaigns, messaging flows, and lead enrichment processes. Organize and preprocess data to support stable model performance and reliable outputs. Review and upgrade AI pipelines with a focus on scalability, efficiency, and accuracy. Requirements Hands-on experience with integrating large language models, prompt engineering, and building AI-powered automation systems. Structured approach to problem-solving and a strong focus on quality control.

Mindrift connects mathematics and programming specialists with project-based AI consulting work for technology companies. This freelance role centers on designing and validating advanced computational mathematics problems, with a strong emphasis on Python programming and mathematical rigor. All work is remote and project-based, not a permanent position. Role overview As a Mathematics & Python Specialist, projects will involve: Designing original computational mathematics problems that reflect real mathematical research workflows Developing problems that require Python programming to solve, using libraries such as Numpy, SciPy, or Sympy Creating computationally intensive tasks that cannot be solved manually in a short period Formulating problems involving complex reasoning in areas like number theory, combinatorics, graph theory, and numerical analysis Basing tasks on real-world research challenges or practical mathematical applications Validating solutions using Python and recognized mathematical libraries Documenting problem statements clearly and providing verified answers Requirements Degree in Mathematics (Pure or Applied) or a related field Proficiency in Python for numerical validation; familiarity with MATLAB, R, C, SQL, Numpy, Pandas, SciPy, or similar tools is also acceptable At least 2 years of relevant experience (applied, research, or teaching) Experience with numerical methods and symbolic computation Ability to design problems that reflect authentic mathematical research processes Knowledge of computational complexity theory Strong English writing skills at C1 level or above Project commitment During active project phases, expect to commit around 10–20 hours per week. Actual workload will depend on project needs and may vary. Compensation Contributors may earn up to $45 per hour, depending on expertise and pace. Compensation varies by project scope, complexity, and required skills. Application process To apply, submit your CV in English and specify your English proficiency level. The process includes application review, qualification steps, joining a project, completing assigned tasks, and receiving compensation.

Please submit your CV in English and indicate your English proficiency level. Mindrift offers project-based roles for professionals in artificial intelligence, with an emphasis on testing, evaluating, and refining AI systems for major technology companies. This collaboration is not a permanent position but is structured around specific projects. Role overview The Freelance AI Trainer (Statistics & Python) works on diverse projects, each presenting unique challenges. Responsibilities focus on designing and validating computational statistics problems that mirror real-world research and mathematical workflows. Create original statistics problems inspired by genuine research scenarios Develop problems requiring Python programming, often using libraries such as Numpy, SciPy, or Sympy Design complex, computationally intensive tasks that go beyond manual calculation Generate problems involving advanced reasoning in number theory, combinatorics, graph theory, and numerical analysis Base problems on authentic research challenges or practical mathematical use cases Verify solutions in Python with standard mathematical libraries Write clear, precise problem statements and supply validated answers Requirements Degree in Statistics or a closely related field Proficiency in Python for numerical validation; familiarity with tools like MATLAB, R, C, SQL, Numpy, Pandas, or SciPy is valued Minimum of 2 years' professional experience in applied work, research, or teaching Strong written English skills (C1 level or higher) Professional certifications (such as CMME, SAS Certifications, CAP) and experience with international or applied projects are considered an advantage Project workflow Apply Complete qualifications Join a project Perform tasks Receive payment Time commitment During active project phases, tasks typically require 10–20 hours per week. Workload may vary depending on project needs and is not guaranteed outside of these periods. Compensation Earnings can reach up to $50 per hour, depending on expertise and productivity. Actual rates depend on the complexity, scope, and skill requirements of each project. Other projects on the Mindrift platform may offer different compensation structures. Location This is a remote position based in Lyon, Auvergne-Rhône-Alpes, France.

Please submit your CV in English and specify your English proficiency level. Mindrift offers project-based remote opportunities for professionals in Lyon, Auvergne-Rhône-Alpes, France, and beyond. These freelance roles focus on testing, evaluating, and improving AI systems for leading tech companies. Participation is on a per-project basis and does not constitute permanent employment. Role overview Freelance AI Trainers specializing in Chemistry and Python contribute to a range of unique projects. Tasks vary by project and may include: Developing original computational chemistry problems that reflect real-world research workflows. Designing problems that require Python programming to solve, using libraries such as NumPy, SciPy, and chemistry-specific packages. Ensuring problems are computationally intensive and not solvable by hand within a reasonable timeframe. Creating tasks that involve complex reasoning in areas like physical chemistry, quantum chemistry, and molecular modeling. Basing problem statements on real research questions or practical chemistry scenarios. Validating solutions with Python, following standard computational chemistry techniques. Documenting problem statements clearly and providing verified, correct solutions. Requirements Degree in Chemistry or a related field. Proficiency in Python for numerical validation; experience with MATLAB, R, C, SQL, NumPy, Pandas, SciPy, or similar programming languages is also accepted. Minimum of 2 years of professional experience in application, research, or teaching. Familiarity with numerical methods in chemistry. Understanding of computational chemistry concepts and methodologies. Excellent written English skills at C1 level or above. How projects work The process is straightforward: apply, pass qualifications, join a project, complete assigned tasks, and receive compensation. Time expectations During active project phases, contributors typically commit 10–20 hours per week. Actual workload depends on project needs and is not guaranteed outside active periods. Compensation Earnings can reach up to $45 per hour, depending on expertise and pace. Compensation varies by project scope, complexity, and required skills.

Mindrift is looking for a Freelance DevOps Engineer (Automation Systems) to help build and maintain automation infrastructure for the Tendem project. This part-time, remote contract is based in Lyon, Auvergne-Rhône-Alpes, France, and centers on supporting scalable workflows where AI and human agents collaborate. Role overview This position focuses on designing, deploying, and supporting infrastructure that powers automation pipelines. The work involves ensuring systems remain stable, scalable, and highly available across different environments. Close collaboration with Tendem Agents is essential to align infrastructure with operational needs and keep automation running smoothly. Key responsibilities Deploy and maintain self-hosted automation platforms, such as n8n or similar tools. Design and manage infrastructure for high-volume workflows and large-scale data processing. Scale automation systems to support concurrent workloads and demanding operations. Set up monitoring, logging, and alerting to track workflow performance and spot failures. Implement alerts for critical issues, including node failures, drops in performance, or instability. Maintain uptime, reliability, and fault tolerance throughout automation pipelines. Who will thrive in this role This freelance, part-time position suits professionals with strong experience in cloud infrastructure, system deployment, and managing high-load automation environments. The remote setup offers flexibility for those living in Lyon or elsewhere in the Auvergne-Rhône-Alpes region. To learn more about the Tendem project, visit https://tendem.ai/.

Please submit your CV in English and indicate your English proficiency level. Mindrift connects subject-matter experts with project-based AI work for technology companies. These freelance roles focus on testing, evaluating, and improving AI systems. Engagements are structured as projects rather than permanent jobs. Role overview This freelance AI Trainer position is designed for research physicists with strong Python skills. Each project brings its own set of tasks, but core responsibilities often include: Designing computational physics problems that reflect real research workflows Creating challenges that require Python programming to solve, using libraries such as Numpy, SciPy, or Sympy Ensuring problems are complex enough to require computational solutions Developing questions in mechanics, electromagnetism, thermodynamics, and quantum mechanics that demand advanced reasoning Basing tasks on authentic research questions or practical applications in physics Validating solutions in Python with standard simulation libraries Documenting problem statements clearly and providing verified answers 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 domain-specific libraries is a plus Minimum 2 years of relevant experience (applied, research, or teaching) Background in numerical simulation techniques Ability to design problems that mirror authentic physics research Creative problem-solving across several physics domains Familiarity with modeling and approximation methods Exceptional written English skills at C1 level or higher Project commitment Most projects require about 10–20 hours per week during active phases. Actual hours may vary and are not guaranteed, as workload depends on project needs. Compensation Earn up to $45 per hour, depending on contribution and pace. Pay rates may differ across projects, reflecting their specific scope and complexity. Application process Apply Pass qualifications Join a project Complete tasks Receive payment Location: Remote , Lyon, Auvergne-Rhône-Alpes, France Note: This is project-based freelance work and does not constitute permanent employment.

Toloka AI is looking for a Computer Science Specialist with advanced Python skills to join AI projects on the Mindrift platform. This role is remote and based in Lyon, Auvergne-Rhône-Alpes, France. Key responsibilities Design and maintain complex algorithms that drive artificial intelligence projects Collaborate with a team focused on creative approaches to technical challenges Use Python expertise to move project objectives forward and support technical standards Requirements Solid foundation in computer science and strong Python programming skills Interest in artificial intelligence and developing algorithms Willingness to share ideas and maintain high standards for technical quality

Please submit your CV in English and indicate your English proficiency level. toloka-ai, working with Mindrift, offers freelance, project-based roles that connect experienced professionals to AI-driven projects for major technology companies. This contract position is not permanent employment. Role overview This freelance AI Evaluation Engineer role centers on building datasets to assess AI-powered coding agents in realistic software development scenarios. The work involves designing complex tasks and assessment criteria that reflect actual development workflows, all within simulated environments. Main responsibilities Create virtual companies using a defined strategy. Develop a codebase, infrastructure, and contextual materials, such as documentation, conversations, and tickets, that mirror real development histories. Design and configure tasks at various stages of the virtual company. Write prompts, set evaluation standards, and ensure tasks are solvable and fairly assessed. Set up tasks in isolated environments that simulate a developer's workstation. These environments include a Linux machine 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, balancing strictness with flexibility. Collaborate with an AI agent to test and validate assessments, confirming the agent can spot genuine issues and does not overlook valid solutions. Review code generated by AI agents, analyze both successes and failures, and create edge cases or challenging scenarios to further evaluate capabilities. Incorporate feedback from expert QA reviewers to refine tasks and assessments, aligning with quality benchmarks. What this role is not This is not a data labeling job. This is not a prompt engineering position. This does not require writing code from scratch. The AI agent handles most coding tasks; your focus is on guidance and evaluation. Much of the work involves direct collaboration with advanced AI systems. Designing meaningful challenges for these models requires hands-on interaction with them.

To apply, please submit your CV in English and state your English proficiency level. Mindrift offers freelance, project-based roles for skilled professionals who want to contribute to the advancement of AI systems. Assignments focus on evaluating and improving AI for major technology companies. This is not a permanent position, but rather project work that fits around your schedule. Role overview Quantum Research Scientists and AI Trainers at Mindrift work on a range of projects, each bringing its own challenges. Typical responsibilities include: Designing original computational physics problems that reflect real research workflows Developing problems solvable with Python, using libraries such as Numpy, SciPy, or Sympy Ensuring problems require significant computational effort and manual work Creating scenarios involving advanced reasoning in mechanics, electromagnetism, thermodynamics, and quantum mechanics Basing problems on real research questions or practical physics cases Validating solutions in Python with standard physics simulation tools Documenting problem statements and providing verified solutions Requirements Degree in Physics (theoretical, experimental, or computational) or a closely related field Strong Python skills for numerical validation; familiarity with MATLAB, R, C, SQL, Numpy, Pandas, SciPy, or similar libraries is a plus At least 2 years of professional experience (can include research, applied work, or teaching) Experience with numerical simulation methods Ability to design problems that mirror authentic physics research processes Creative approach to developing problems across different areas of physics Knowledge of physics modeling and approximation techniques Excellent written English (C1 level or higher) How to join Apply Pass qualifications Join a project Complete assigned tasks Receive compensation Project details During busy periods, tasks may require about 10-20 hours per week. This is an estimate, not a guaranteed workload. Actual hours will depend on project needs. Compensation Earnings can reach up to $45 per hour, depending on experience and the type of contribution. Compensation varies by project, reflecting the complexity and expertise required. Some projects on the Mindrift platform may offer different rates based on their specific requirements.

Mindrift partners with technology innovators to bring real-world expertise into Generative AI projects. For this freelance role, work centers on the Tendem project (https://tendem.ai/), which aims to streamline and automate business processes by integrating specialist knowledge from around the world. Role overview This is a part-time, remote contract for an Integration Developer (API Specialist). The main focus is designing, building, and optimizing integrations between core business systems to keep data flowing reliably and in sync. The role welcomes candidates based in Lyon, Auvergne-Rhône-Alpes, France, as well as those working remotely from this region. What you will do Design and assess integrations for key business systems, including CRMs, advertising platforms, and email tools. Develop and refine workflows using APIs, webhooks, and both real-time and batch data pipelines. Connect and synchronize databases across tools such as Airtable, Google Sheets, and Notion. Maintain consistent and real-time data transfer between systems and services. Troubleshoot and optimize data flow, addressing latency and failures as they arise. Support automated communication integrations, including messaging, outreach, and calling workflows. Requirements This contract suits professionals with proven experience in APIs, webhooks, and building data pipelines across multiple platforms. The freelance structure offers flexibility and the chance to contribute to AI-driven projects. Compensation Contributors can earn up to $60 per hour, depending on expertise and pace. Actual pay may vary by project, based on scope, complexity, and required skills.

Mindrift brings together specialists and AI projects from top technology companies, focusing on generative AI and practical expertise from around the globe. Role overview This part-time, remote Freelance n8n Workflow Developer (AI Trainer) role supports the Tendem project (https://tendem.ai/). The position is based in Lyon, Auvergne-Rhône-Alpes, France, but remote work is available. Known internally as AI Pilot, this role partners with Tendem Agents to automate and streamline repetitive tasks. The work blends automation skills with structured process thinking to improve workflows in a mixed AI and human setting. What you will do Design and evaluate advanced workflows in self-hosted n8n environments. Build integrations across multiple systems to enable scalable automation. Develop and enhance AI-powered workflows for content generation and data enrichment. Create and maintain automation for lead generation, outreach, and data processing. Set up web scraping workflows for reliable data extraction and processing. Refine workflow execution, optimize node sequencing, and improve error handling to reduce failures and delays. Who this role suits This position fits professionals with experience in no-code automation, workflow design, and process optimization across various business systems. The part-time, remote setup offers flexibility for those who enjoy building efficient, scalable solutions.