Material Scientist Specializing in Python - Freelance AI Trainer

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. Wh…

We invite you to submit your CV in English, including your proficiency level in English.At Mindrift, we specialize in connecting talented professionals with exciting project-based AI opportunities at leading tech firms. Our focus is on testing, evaluating, and enhancing AI systems. Note that this is a project-based role, not a permanent position.Opportunity OverviewEach project presents unique challenges, and contributors may be tasked with:Creating original computational statistics problems that reflect genuine mathematical research workflows;Formulating problems that require Python programming for solutions (utilizing libraries such as Numpy, SciPy, and Sympy);Designing problems that are computationally intensive, taking days or weeks to solve manually;Developing scenarios that demand complex reasoning across areas like number theory, combinatorics, graph theory, and numerical analysis;Grounding problems in real research challenges or practical applications in mathematics;Validating solutions using Python and standard mathematical libraries;Clearly documenting problem statements and supplying verified correct answers.Ideal Candidate ProfileThis opportunity is well-suited for statistics experts with Python experience, open to engaging in part-time, non-permanent projects. We prefer candidates who have:A degree in Statistics or a related field;Proficiency in Python for numerical validation, with knowledge of MATLAB, R, C, SQL, Numpy, Pandas, SciPy, or other domain-specific libraries considered equivalent;A minimum of 2 years of professional experience in applied research or teaching;Strong written English skills (C1+ level);Professional certifications (e.g., CMME, SAS Certifications, CAP) and experience in international or applied projects will be advantageous.Application ProcessApply → Pass qualifications → Join a project → Complete tasks → Get compensatedProject CommitmentFor this project, contributors can expect to dedicate approximately 10–20 hours per week during active phases, contingent on project needs. This is an estimate and not a guaranteed workload.CompensationContributors may earn up to $50 per hour, contingent upon their level of expertise and the pace of their contributions. Compensation varies by project scope, complexity, and required skills, and other projects on the platform may offer different compensation rates.

We kindly request that you submit your CV in English and specify your level of English proficiency.At Mindrift, we connect talented specialists with exciting project-based opportunities in AI for top-tier tech companies, focusing on testing, evaluating, and enhancing AI systems. Please note that participation is on a project basis and does not constitute permanent employment.Opportunity OverviewEach project presents distinct challenges; however, contributors may be involved in the following tasks:Designing original computational physics problems that simulate authentic physics research workflows;Creating problems that necessitate Python programming for resolution (utilizing Numpy, SciPy, Sympy);Ensuring the problems are computationally demanding and cannot be manually solved within a reasonable timeframe (days to weeks);Developing problems that require intricate reasoning in mechanics, electromagnetism, thermodynamics, and quantum mechanics;Grounding problems in real research challenges or practical applications from the field of physics;Validating solutions using Python with established physics simulation libraries;Thoroughly documenting problem statements and providing accurately verified solutions.Ideal Candidate ProfileThis opportunity suits physicists with Python experience who are open to part-time, non-permanent projects. The ideal candidates will possess:A degree in Physics (Theoretical, Experimental, or Computational) or a related discipline;Proficiency in Python for numerical validation; knowledge of MATLAB, R, C, SQL, Numpy, Pandas, SciPy, or other domain-specific libraries is also acceptable;A minimum of 2 years of professional experience, which may include applied, research, or teaching experience;Familiarity with numerical simulation methods;The ability to design problems that reflect real physics research workflows;Creative problem design skills across various physics domains;Understanding of physics modeling and approximation techniques;Strong command of written English (C1+ level).How the Process WorksApply → Pass qualifications → Join a project → Complete assigned tasks → Receive payment.Project CommitmentDuring active phases, tasks are estimated to require approximately 10–20 hours per week, depending on project needs. This is an estimate and does not guarantee a specific workload during the project's lifecycle.CompensationContributors can earn up to $45 per hour, contingent on their expertise and contribution pace. Compensation may vary across projects based on scope, complexity, and required skills. Please note that other projects on our platform may offer different earning potential based on their specific requirements.

Please submit your CV in English and specify your proficiency level in English.Mindrift specializes in connecting skilled professionals with project-based AI opportunities for top-tier technology companies, concentrating on the assessment, evaluation, and enhancement of AI systems. This role is project-based and does not entail permanent employment.Opportunity OverviewContributors to our projects may engage in a variety of tasks, including:Creating innovative computational physics problems that replicate authentic physics research workflows;Designing problems that necessitate Python programming for resolution (utilizing Numpy, SciPy, Sympy);Ensuring that the problems are computationally demanding and cannot be solved manually within reasonable periods (days to weeks);Developing problems that involve complex reasoning in mechanics, electromagnetism, thermodynamics, and quantum mechanics;Formulating problems based on real-world research challenges or practical applications within the field of physics;Validating solutions through Python using standard physics simulation libraries;Documenting problem statements clearly and supplying verified correct answers.Candidate ProfileThe ideal candidate will be a physicist with Python experience, interested in part-time, non-permanent projects. We seek individuals who possess:A degree in Physics (Theoretical, Experimental, or Computational) or related disciplines;Proficiency in Python for numerical validation; familiarity with MATLAB, R, C, SQL, Numpy, Pandas, SciPy, or any domain-specific programming language is acceptable;A minimum of 2 years of relevant professional experience (applied, research, or teaching experience is applicable);Expertise in numerical simulation methodologies;The ability to design problems that reflect actual physics research workflows;Creative problem-solving skills across various fields of physics;Knowledge of physics modeling and approximation techniques;Strong written proficiency in English (C1 or higher).Application ProcessApply → Pass evaluations → Join a project → Complete tasks → Receive paymentProject CommitmentFor this project, tasks are estimated to require approximately 10–20 hours per week during active phases, depending on specific project demands. This estimate is not a guaranteed workload and applies solely while the project is ongoing.CompensationParticipants in this project can earn up to $45 per hour, contingent upon their skill level and pace of contributions. Compensation varies across projects based on scope, complexity, and required expertise. Please be aware that other projects on the platform may offer different earning potential based on their specific needs.

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.

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.

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.

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

We invite you to submit your CV in English, detailing your level of English proficiency.Mindrift is a dynamic platform that connects talented specialists with project-based AI opportunities in leading tech firms. Our focus is on the testing, evaluation, and enhancement of AI systems. Please note that participation is project-based and does not entail permanent employment.Project InvolvementEach project presents unique challenges, and contributors may be engaged in tasks such as:Creating original computational physics problems that reflect authentic physics research workflows;Designing problems that necessitate Python programming to solve, utilizing libraries like Numpy, SciPy, and Sympy;Ensuring that problems are computationally intensive and cannot be resolved manually in a reasonable timeframe;Developing complex problems involving reasoning in mechanics, electromagnetism, thermodynamics, and quantum mechanics;Formulating problems based on genuine research challenges or practical applications derived from physics practice;Validating solutions using Python with standard physics simulation libraries;Providing clear documentation for problem statements along with verified correct answers.Ideal Candidate ProfileThis position suits optical engineers proficient in Python who are open to part-time, non-permanent projects. The ideal candidates will possess:A 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 any equivalent programming languages is acceptable;A minimum of 2 years of professional experience in applied, research, or teaching roles;Experience with numerical simulation techniques;The ability to create problems that reflect real-world physics research workflows;Creative and analytical thinking in problem design across various physics domains;Familiarity with physics modeling and approximation strategies;Exceptional written English skills (C1+ level).Application ProcessSubmit your application → Pass required qualifications → Join a project → Complete assigned tasks → Receive compensation.Project CommitmentDuring active project phases, tasks are expected to require approximately 10–20 hours per week, contingent upon project needs. This estimation is not a guaranteed workload.Compensation DetailsContributors can earn up to $45 per hour, depending on their experience and contribution level. Please note that compensation may vary across different projects based on their specific requirements and complexity.

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.

We kindly request that you submit your CV in English, along with your proficiency level in the English language.Mindrift connects talented professionals with project-based AI opportunities at leading technology firms, focusing on the testing, evaluation, and enhancement of AI systems. This engagement is project-based and does not constitute permanent employment.Key Responsibilities:Although each project presents distinct tasks, participants may:Design innovative computational engineering challenges that replicate real-world engineering workflows;Develop problems necessitating Python programming for engineering calculations and simulations;Ensure challenges are computationally intensive, requiring numerical methods or iterative solutions;Create projects involving system design, optimization, and analysis;Base challenges on real research issues or practical applications in engineering;Verify solutions using Python and established engineering libraries;Document problem statements clearly and provide verified correct solutions.Qualifications:This role is ideally suited for engineers with experience in Python who are open to part-time, non-permanent projects. The ideal candidate will possess:A degree in Mechanical Engineering or a related discipline;Proficiency in Python for numerical validation; familiarity with MATLAB, R, C, SQL, Numpy, Pandas, SciPy, domain-specific libraries, or other programming languages is acceptable;A minimum of 2 years of professional experience, including applicable applied, research, or teaching experience;A solid understanding of practical engineering constraints and approximations;Excellent written English skills (C1+);Professional certifications (e.g., CMME, SAS Certifications, CAP) and experience with international or practical projects are advantageous.Process Overview:Submit application → Pass qualifications → Join a project → Complete assigned tasks → Receive payment.Project Time Commitment:For this project, tasks are estimated to require approximately 10–20 hours per week during active phases, contingent upon project requirements. This is an estimate and not a guaranteed workload.Compensation:Contributors may earn up to $50 per hour, depending on their experience and contribution pace. Compensation varies by project based on scope, complexity, and required expertise. Please note that other projects may present different earnings based on their specific requirements.

Toloka AI seeks a Freelance English Writer and AI Trainer for a remote role based in Lyon, Auvergne-Rhône-Alpes, France. This position centers on creating clear, engaging English content to help train AI systems. Role overview This freelance role involves producing English text that supports the development of artificial intelligence. The work is fully remote, offering flexibility while contributing to innovative projects. What you will do Write informative and engaging English content for AI training Support projects aimed at improving AI capabilities Requirements Strong interest in writing and language Curiosity about artificial intelligence

Join Mindrift as an AI Workflow Engineer and contribute to the innovative Tendem project (https://tendem.ai/). In this dynamic role, referred to as an AI Pilot at Mindrift, you will collaborate with Tendem Agents to streamline repetitive tasks, utilizing your expertise in structured thinking, prompt engineering, and quality assurance to create scalable, reliable AI workflows.This part-time remote position is perfect for professionals with practical experience in LLM integrations, prompt design, and AI-driven automation systems.About MindriftMindrift connects specialists with AI projects from leading tech innovators, aiming to harness the power of Generative AI through real-world expertise from around the globe.Role OverviewAs a freelance AI Workflow Engineer, you will design, construct, and enhance workflows that integrate LLM APIs, facilitating scalable systems for content generation, communication, and automation.Key ResponsibilitiesDesign and assess workflows that utilize LLM APIs (such as OpenAI, Claude, Gemini).Construct and enhance AI-powered automation systems for content generation and communication tasks.Develop and improve prompt frameworks for consistent, high-quality outputs.Establish systems for personalized automated outreach, including email and messaging flows.Prepare and preprocess data to ensure stable model performance.Analyze and optimize AI-driven pipelines for improved scalability, efficiency, and accuracy.

Toloka AI seeks a Freelance Junior Journalist - AI Trainer for a remote contract position based in Lyon, Auvergne-Rhône-Alpes, France. This role focuses on supporting the development of artificial intelligence by producing training data and written content. Key responsibilities Create accurate and reliable training data for AI models Write clear, well-structured content to support AI improvement Collaborate with subject matter experts to strengthen AI performance Candidate profile Interest in journalism and new technology Motivated to work on projects that influence AI development Strong collaboration and communication skills

Toloka AI seeks a Freelance Mathematics Expert to support the training of AI models with advanced mathematical concepts. This contract position is remote, with candidates based in Lyon or the Auvergne-Rhône-Alpes region of France. Role overview This role centers on applying deep mathematical knowledge to help artificial intelligence systems better understand complex topics. The work involves both subject expertise and the ability to communicate ideas clearly for use in training data. What you will do Guide AI model development by clarifying advanced mathematical concepts Use teaching skills to break down and explain ideas for training datasets Work with a team dedicated to artificial intelligence projects Requirements Strong background in mathematics Experience or interest in teaching or explaining mathematical concepts Ability to work independently and remotely Residence in Lyon or the Auvergne-Rhône-Alpes region (remote work)

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.

toloka-ai, working through Mindrift, brings experienced professionals into project-based AI work for leading technology companies. This Freelance Supply Chain Consultant & AI Trainer position is remote and structured around specific project engagements, not as a permanent role. Role overview This freelance role centers on applying hands-on procurement and supply chain expertise to support AI development. The consultant will use real-world experience to design supply chain disruption scenarios, define expected outcomes and mitigation plans, and evaluate AI-generated recommendations for their accuracy and business value. Key responsibilities Create realistic disruption scenarios in supply chain and procurement, such as supplier delays, quantity fluctuations, logistics problems, and quality failures. Define outcomes and outline practical mitigation strategies for each scenario. Assess AI-generated responses for logic, accuracy, and business relevance. Review outputs for completeness and ensure compatibility with ERP systems, including Microsoft Dynamics 365, Coupa, Jaggaer, and Ariba (SAP). Support structured data creation and validation according to established guidelines. Requirements Minimum 4 years of experience in procurement, supply chain, or purchasing, ideally within manufacturing. Strong grasp of procurement processes, including purchase orders, vendor management, inventory, and production planning. Direct experience with ERP systems such as SAP, Oracle, or Microsoft Dynamics 365. Ability to create and analyze supply chain disruption scenarios and mitigation plans. Knowledge of disruption types: delays, shortages, quality issues, and logistics challenges. Familiarity with Incoterms and logistics or transportation management. Understanding of Bill of Materials (BOM) structures and production planning. Experience with supplier performance metrics, including OTIF, lead times, and quality scores. Strong analytical skills to evaluate AI outputs against business needs. Background in data validation, structured data entry, or annotation work. Proficient written English communication. Project process Apply Meet qualification criteria Join a project Complete assigned tasks Receive compensation Time commitment Project tasks are estimated at 10 to 20 hours per week during active phases. Actual workload may vary depending on project requirements. Compensation Compensation is up to $60 per hour, determined by experience and project scope.

Mindrift specializes in connecting experts with innovative project-based AI opportunities for top-tier technology companies. Our focus is on the assessment and enhancement of AI systems, ensuring they meet industry standards and client needs. Please note that participation is based on project engagements rather than permanent employment.Position OverviewAs a Procurement & Supply Chain Consultant on this initiative, you will leverage your expertise to create realistic disruption scenarios grounded in your real-world experience. Your role will involve defining anticipated outcomes and mitigation strategies, as well as evaluating AI-generated recommendations for their accuracy, completeness, and business alignment.Key ResponsibilitiesWhile specific tasks may vary by project, contributors will typically:Create realistic supply chain disruption scenarios (e.g., supplier delays, quantity fluctuations, logistics challenges, quality failures) based on actual manufacturing and procurement contexts.Outline expected outcomes and develop effective mitigation strategies for each scenario.Assess AI-generated responses and recommendations against established business logic.Evaluate outputs for accuracy, completeness, and pertinence within ERP environments (notably Microsoft Dynamics 365, Coupa, Jaggaer, Ariba/SAP).Participate in structured data creation and validation tasks adhering to specified guidelines and frameworks.QualificationsA minimum of 4 years of practical experience in procurement, supply chain, or purchasing, preferably within a manufacturing setting.Comprehensive understanding of procurement workflows, including purchase orders, vendor management, inventory, and production planning.Hands-on experience with ERP systems such as SAP, Oracle, or Microsoft Dynamics 365.Demonstrated capability in designing and analyzing supply chain disruption scenarios and corresponding mitigation strategies.Strong grasp of various disruption types: delays, shortages, quality issues, and logistics challenges.Familiarity with Incoterms and transportation/logistics management.Knowledge of Bill of Materials (BOM) structures and production planning processes.Experience with supplier performance metrics (e.g., OTIF, lead times, quality scores).Analytical mindset with the ability to evaluate AI outputs against real-world business logic.Background in data validation, structured data entry, or annotation tasks.Excellent written communication skills in English.Application ProcessSteps to get involved: Apply → Pass qualification(s) → Join a project → Complete tasks → Get compensated.Project CommitmentDuring active project phases, tasks are estimated to require approximately 10-20 hours per week, subject to project requirements. This is an estimate and not a guaranteed workload.CompensationOn this project, contributors can earn up to $60 per hour, depending on experience and project scope.

Role overview Mindrift seeks a Freelance Low-Code Automation Engineer to contribute to the Tendem project. This part-time, remote position centers on building automation workflows that link AI tools with human-driven processes. The role is internally known as an AI Pilot. What you will do Design and implement automation workflows using low-code platforms and JavaScript Collaborate with Tendem Agents to pinpoint repetitive tasks that can be automated Ensure workflows remain efficient, scalable, and reliable Requirements Strong background in workflow architecture and low-code automation Experience blending AI capabilities with human expertise to improve operational efficiency Location This is a remote position based in Lyon, Auvergne-Rhône-Alpes, France.