Freelance Optical Engineer with Python Expertise

Please submit your CV in English and include your English proficiency level. Toloka AI, through Mindrift, connects material scientists and engineers with project-based AI work for leading technology companies. These freelance roles focus on evaluating and improving AI systems. Positions are not permanent and assignments vary by project. Role overview Freelance AI Trainers with material science backgrounds and Python expertise contribute to a range of project-specific tasks. Typical responsibilities include: Designing original material engineering problems that reflect real-world workflows Creating challenges that require Python programming for calculations and simulations Ensuring problems involve computationally intensive tasks, such as numerical methods or iterative solutions Developing tasks related to system design, optimization, and analysis Formulating problems based on research challenges or practical engineering applications Verifying solutions in Python using standard engineering libraries Documenting problem statements clearly and providing accurate, verified answers Preferred qualifications 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 libraries is valued At least 2 years of experience in applied research or teaching Strong understanding of practical engineering constraints and approximations Excellent written English (C1+ level) How to join a project Apply Pass qualifications Join a project Complete assigned tasks Receive compensation Project time commitment During active project phases, tasks typically require 10–20 hours per week. Workload may vary depending on project requirements. Compensation Contributors can earn up to $10 per hour, depending on expertise and task completion rate. Actual compensation may differ by project, based on complexity and required skills. Location: Remote , Hyderabad, Telangana, India

Please submit your CV in English and state your English proficiency level. toloka-ai, in partnership with Mindrift, connects experienced specialists to project-based roles focused on evaluating, testing, and improving AI systems for leading technology companies. This is a project-based engagement, not a permanent employment position. Role overview This freelance role centers on developing and validating advanced computational physics problems to support AI system evaluation. Work includes designing original challenges that reflect real research workflows and require Python programming to solve. Contributors use libraries such as Numpy, SciPy, or Sympy to create and validate complex problems that would take days or weeks to solve manually. Design computational physics challenges modeled on authentic research or practical implementations Create problems that demand advanced reasoning in mechanics, electromagnetism, thermodynamics, and quantum mechanics Develop scenarios where solutions are validated in Python using standard physics simulation tools Write clear problem statements and supply verified, correct solutions Requirements Degree in Physics (theoretical, experimental, or computational) or a related discipline Strong Python skills for numerical validation; knowledge of other tools such as MATLAB, R, C, SQL, Numpy, Pandas, SciPy, Stata, or domain-specific libraries is valued Minimum 2 years of experience in applied research or teaching Background in numerical simulation techniques Ability to design problems based on real-world physics research Creative problem-solving across multiple physics domains Understanding of physics modeling and approximation methods Excellent written English at C1 level or higher Application process Apply Pass qualifications Join a project Complete assigned tasks Receive payment Project commitment During active project periods, tasks typically require 10–20 hours per week, though workload may vary depending on project needs. This estimate does not guarantee a set number of hours. Compensation Contributors may earn up to $10 per hour, depending on the nature of their contributions and efficiency. Actual rates can vary by project scope, complexity, and required skills. Other projects on the platform may offer different earning potential based on their specific requirements. This is a remote position based in Hyderabad, Telangana, India.

Please submit your CV in English and indicate your English proficiency level. Role overview toloka-ai, working with Mindrift, offers a freelance contract for professionals skilled in statistics and Python. This project-based position centers on developing and reviewing advanced computational statistics problems. The work supports AI system evaluation and improvement. This is not a permanent job but a freelance opportunity tied to specific projects. What you will do Create original computational statistics problems that reflect real-world mathematical research workflows Design problems that require Python programming for solutions, using libraries such as Numpy, SciPy, or Sympy Ensure problems are computationally intensive and not easily solved by hand Develop challenges involving advanced reasoning in areas like number theory, combinatorics, graph theory, or numerical analysis Base problems on genuine research questions or practical mathematical scenarios Validate solutions in Python with established mathematical libraries Document problem statements clearly and provide verified solutions Requirements Degree in Statistics or a closely related field Strong Python skills for numerical validation; experience with MATLAB, R, C, SQL, Numpy, Pandas, SciPy, or similar tools is welcome At least 2 years of professional experience in applied statistics, research, or teaching Excellent written English (C1 level or higher) Professional certifications (such as CMME, SAS Certifications, or CAP) and experience with international or applied projects are a plus How to apply Submit your application Complete qualification steps Join a project Finish assigned tasks Receive compensation Time commitment Project tasks usually require about 10–20 hours per week during active phases. Actual workload varies with project needs. Hours are available only when the project is running. Compensation Contributors may earn up to $11 per hour, depending on expertise and pace. Rates differ by project based on complexity, required skills, and scope. Other projects on the platform may offer different compensation levels. Location This is a remote contract role based in Hyderabad, Telangana, India.

Mindrift, part of toloka-ai, connects skilled specialists with project-based AI work for leading tech companies. The focus here is on evaluating, testing, and improving AI systems. This Mathematics & Python Specialist role is freelance and project-based, not a permanent position. Role overview This position centers on designing and verifying advanced computational mathematics problems that mirror real research workflows. Tasks are remote and based out of Hyderabad, Telangana, India, but open to candidates working from anywhere. What you will do Create original computational mathematics problems based on actual research practices Formulate problems that require Python programming to solve, using libraries like Numpy, SciPy, and Sympy Design problems that are too complex for manual solution within reasonable timeframes Develop challenges involving advanced reasoning in areas such as number theory, combinatorics, graph theory, and numerical analysis Base problems on real research issues or practical mathematical applications Verify solutions using Python and standard mathematical libraries Document problem statements clearly and provide thoroughly checked 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 accepted At least 2 years of relevant experience in applied mathematics, research, or teaching Experience with numerical methods and symbolic computation Ability to design problems that reflect real mathematical research processes Understanding of computational complexity theory Strong written English skills at C1 level or above Project commitment Workload is estimated at 10–20 hours per week during active project phases, depending on demand. This is an approximate range and not a guaranteed number of hours. Compensation Contributors may earn up to $10 per hour, depending on the complexity of the project and individual contribution. Compensation can vary between projects based on their requirements. Application process Submit a CV in English along with your English proficiency level. The process includes qualification steps before joining a project. Tasks are assigned after successful qualification, and payment follows task completion.

We kindly request that you submit your CV in English along with your English proficiency level.At Mindrift, we bridge the gap between skilled professionals and project-based AI opportunities with top technology companies. Our focus is on the testing, evaluation, and enhancement of AI systems. Please note that this is a project-based opportunity rather than permanent employment.What You Will DoWhile each project presents distinct challenges, contributors may be tasked with:Crafting original computational physics problems that emulate authentic physics research workflows.Formulating problems necessitating Python programming for solutions, utilizing libraries such as Numpy, SciPy, and Sympy.Ensuring that problems require substantial computational effort, making manual solutions impractical within reasonable timeframes.Developing problems that involve complex reasoning chains across mechanics, electromagnetism, thermodynamics, and quantum mechanics.Grounding problems in real research challenges or practical applications from the field of physics.Validating solutions through Python using standard physics simulation libraries.Documenting problem statements with clarity and providing verified correct answers.Who We Are Looking ForThis role is ideal for physicists experienced 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 related disciplines.Proficiency in Python for numerical validation; experience with MATLAB, R, C, SQL, Numpy, Pandas, SciPy, domain-specific libraries, Stata, or any programming language will also be considered.At least 2 years of professional experience, including applicable applied, research, or teaching experience.Experience with numerical simulation techniques.The ability to design problems reflecting real physics research workflows.Creative problem design skills across various physics domains.Familiarity with physics modeling and approximation methods.Strong written English skills (C1+ level).How the Process WorksApply → Pass qualifications → Join a project → Complete tasks → Get compensated.Project Time ExpectationsTasks for this project are estimated to require approximately 10–20 hours per week during active phases, based on specific project requirements. This is an estimate and not a guaranteed workload, applicable only while the project is active.CompensationContributors can earn up to $10 per hour, depending on their level of expertise and contribution pace. Compensation varies across projects based on scope, complexity, and required expertise, and may differ from other projects on the platform.

This freelance, project-based role connects chemistry professionals with Python skills to artificial intelligence projects for leading technology firms. Assignments focus on creating, evaluating, and testing computational chemistry problems that help train and improve AI systems. The position is remote and open to candidates based in Hyderabad, Telangana, India, or working remotely from elsewhere. What you will do Design computational chemistry challenges that mirror real research tasks. Develop problems requiring Python programming solutions using libraries such as numpy, scipy, and chemistry-specific packages. Ensure problems are complex enough that manual solutions would be impractical. Create tasks involving advanced reasoning in physical chemistry, quantum chemistry, and molecular modeling. Base problems on real-world research or practical chemistry scenarios. Validate all solutions in Python, applying established computational chemistry methods. Document problem statements and provide clearly written, verified solutions. Requirements Degree in Chemistry or a closely related field. Strong Python skills for numerical validation (knowledge of MATLAB, R, C, SQL, Numpy, Pandas, or SciPy is also acceptable). At least 2 years of professional experience in applied, research, or teaching roles. Experience with numerical methods in chemistry. Solid grasp of computational chemistry concepts and methods. Excellent written English (C1 level or higher). Project details This is a part-time, non-permanent opportunity. During active project phases, expect to spend around 10–20 hours per week, though actual workload may vary and is not guaranteed. Compensation Earn up to $10 per hour, depending on project scope, complexity, and contribution. Pay rates may differ for other projects on the platform. How to apply To start, submit your CV in English. The application process includes qualification steps, joining a project, completing assigned tasks, and receiving payment upon completion.

Toloka AI seeks a Freelance AI Trainer who combines expertise in Mechanical Engineering with strong Python skills. This role is remote but based in Hyderabad, Telangana, India. Role overview This position centers on applying both mechanical engineering knowledge and Python programming to support the development and training of AI systems. The work involves collaborating with others to move technology forward. Key responsibilities Use technical skills in Mechanical Engineering and Python to contribute to AI training projects. Assist in designing and refining training programs for AI systems. Work closely with a team to develop and enhance technology-driven solutions. Location This is a remote position based in Hyderabad, Telangana, India.

Toloka AI seeks a Civil Engineer with strong Python experience to join as a Freelance AI Trainer. This contract position centers on developing and delivering training modules for AI projects that combine civil engineering principles with Python programming. Role overview This role involves designing educational content that bridges civil engineering and Python. You will create and present training materials to support AI initiatives, ensuring technical concepts are clearly explained and relevant to project needs. Location This is a remote position based in Hyderabad, Telangana, India.

Please submit your CV in English and state your English proficiency level. Toloka AI, in collaboration with Mindrift, offers project-based freelance opportunities for research physicists skilled in Python. This remote role centers on shaping and evaluating AI systems by designing advanced physics problems. Engagements are strictly project-based and do not represent permanent employment. Role overview This position involves creating computational physics challenges that reflect real research workflows. The work requires building programming tasks to be solved in Python, using libraries such as Numpy, SciPy, and Sympy. Problems should be complex enough that manual solutions would take days or weeks, and must be rooted in authentic research or real-world applications. Each problem must be thoroughly documented, with verified solutions provided using Python and established simulation tools. What you will do Design computational physics problems modeled after real research scenarios. Create programming challenges requiring Python solutions, using libraries like Numpy, SciPy, and Sympy. Ensure problems require advanced reasoning in areas such as mechanics, electromagnetism, thermodynamics, and quantum mechanics. Validate all solutions in Python and with physics simulation tools. Document each problem and supply accurate, verified solutions. Requirements Degree in Physics (theoretical, experimental, or computational) or a related field. Proficiency in Python for numerical validation; experience with MATLAB, R, C, SQL, Numpy, Pandas, SciPy, or similar tools is valued. At least 2 years in applied, research, or teaching roles. Experience with numerical simulation methods and physics modeling techniques. Ability to design problems reflecting real research practices. Creative problem-solving skills across multiple physics domains. Strong written English at C1+ level. How to apply Apply online Complete qualification steps Join a project Complete assigned tasks Receive payment Time commitment Tasks during active projects typically require 10 to 20 hours per week. Workload may vary and is only available during project phases. Compensation Earn up to $10 per hour, depending on contribution and project scope. Compensation may differ across projects based on complexity and expertise required. This is a remote freelance position based in Hyderabad, Telangana, India.

Please submit your CV in English and indicate your level of English proficiency. Mindrift connects skilled professionals with project-based AI work for leading technology companies. Assignments focus on testing, evaluating, and improving AI systems. This freelance position is project-based and not a permanent role. Role overview The Freelance Electrical Engineer & Python Specialist (AI Trainer) supports the development and validation of computational engineering challenges used in AI training. Projects are remote but focus on needs based in Hyderabad, Telangana, India. Main responsibilities Design computational engineering problems that mirror real-world engineering workflows. Create programming tasks in Python for calculations and simulations. Ensure tasks involve substantial computation, such as numerical methods or iterative solutions. Develop problems related to system design, optimization, and analysis. Base challenges on practical engineering or research scenarios. Validate solutions in Python, using standard engineering libraries. Document problems clearly and provide verified solutions. Who this suits This freelance role fits engineers with Python experience who want part-time, project-based work. Suitable candidates have: A degree in Electrical Engineering or a related discipline. Proficiency in Python for numerical validation. Familiarity with MATLAB, R, C, SQL, Numpy, Pandas, SciPy, or similar languages is also valued. At least 2 years of professional experience in applied, research, or educational settings. A strong understanding of practical engineering constraints and approximations. Excellent written English skills (C1 level or higher). Professional certifications (such as CMME, SAS Certifications, CAP) and experience with international or applied projects are a plus. How projects work Apply Pass qualifications Join a project Complete assigned tasks Receive payment Time commitment During active project phases, expect to spend about 10-20 hours per week. Actual workload may vary with project needs and is not guaranteed. Compensation Contributors can earn up to $9 per hour, depending on expertise and pace. Compensation varies by project scope, complexity, and required skills. Some projects may offer different earning levels based on their specific requirements.

Toloka AI is looking for a Freelance AI Training Consultant with a strong background in biology and solid Python skills. This remote role is based in Hyderabad, Telangana, India. Role overview This position focuses on developing and improving AI training modules that combine biological concepts with Python programming. The work supports projects that connect advances in technology with the field of biology. What you will do Apply knowledge of biology to inform AI training content Use Python to develop, test, or refine training modules Collaborate remotely with Toloka AI's team on projects at the intersection of biology and technology Requirements Proficiency in Python programming Strong understanding of biology Comfort working independently in a remote setting

Toloka AI seeks a Freelance English Writer and AI Trainer to contribute to the development of advanced AI models. This contract role is remote, with a focus on candidates based in Hyderabad, Telangana, India. Key responsibilities Produce clear and accurate written material that supports AI training efforts Capture the nuances, details, and subtleties of the English language in your work Collaborate with teams working on new AI technologies Ideal profile This position fits writers who are curious about technology and interested in influencing how AI systems interpret and use English.

Please submit your CV in English and specify your proficiency level. Toloka AI, in partnership with Mindrift, offers project-based contract work for specialists interested in advancing and evaluating AI systems for major technology companies. This freelance role is not a permanent staff position and is based remotely, with a focus on candidates in Hyderabad, Telangana, India. Role overview This position centers on developing challenging physics problems to support the training and evaluation of AI models. Tasks involve crafting original optics problems that reflect real research practices, as well as designing computationally demanding scenarios that require advanced reasoning in areas such as mechanics, electromagnetism, thermodynamics, and quantum mechanics. Problems should be grounded in authentic research challenges or practical applications within optics and physics. Clear documentation and verified solutions are essential for each problem set. Requirements Degree in Physics (theoretical, experimental, or computational) or a related field Minimum of 2 years’ experience in applied research, teaching, or a similar area Proficiency with numerical simulation techniques Ability to design problems that mirror real research workflows Creative approach to problem-solving across various physics domains Familiarity with modeling and approximation methods in physics Strong written English skills at C1 level or above How projects work Applicants complete qualification steps before joining a project. Once accepted, work is assigned on a task basis, and payment is provided for completed assignments. Time commitment Active project phases generally require between 10 and 20 hours per week. Actual hours may vary depending on project needs, and there is no guaranteed minimum. Compensation Earnings can reach up to $10 per hour, depending on skill, speed, and the complexity of assigned tasks. Actual rates may differ by project.

This freelance, project-based role with toloka-ai focuses on improving AI systems for supply chain and procurement scenarios. The position is remote, with project work based in Hyderabad, Telangana, India. Participation is not considered permanent employment. Role overview Work with Mindrift and leading tech companies to test, evaluate, and refine AI recommendations in supply chain management. The role relies on practical experience in procurement and manufacturing to create realistic disruption scenarios, define expected outcomes, and assess the accuracy and relevance of AI-generated solutions. What you will do Develop supply chain disruption scenarios, such as supplier delays, quantity changes, logistics challenges, and quality concerns, based on real-world manufacturing and procurement processes. Outline expected results and possible mitigation strategies for each scenario. Assess AI-generated recommendations for alignment with practical business logic. Review outputs for accuracy, completeness, and business relevance, especially for ERP systems like Microsoft Dynamics 365, Coupa, Jaggaer, and Ariba (SAP). Support the creation and validation of structured data according to project standards. Requirements Minimum 4 years of hands-on experience in procurement, supply chain management, or purchasing, preferably within a manufacturing setting. Strong understanding of procurement processes, including purchase orders, vendor management, inventory control, and production planning. Direct experience with ERP platforms such as SAP, Oracle, or Microsoft Dynamics 365. Demonstrated ability to design and analyze supply chain disruption scenarios and mitigation plans. Knowledge of various disruption types: delays, shortages, quality issues, and logistics problems. Familiarity with Incoterms and logistics/transport management. Experience with Bill of Materials (BOM) and production planning. Understanding of supplier performance metrics, such as OTIF, lead times, and quality scores. Strong analytical skills for evaluating AI outputs against real business logic. Background in data validation, structured data entry, or annotation tasks. Excellent written English communication skills. How the process works Apply Pass qualifications Join a project Complete tasks Receive compensation Time commitment During active project phases, tasks typically require 10-20 hours per week. Actual workload may vary depending on project needs. Compensation Contributors may earn up to $50 per hour, depending on project requirements.

Role overview Toloka AI is looking for a Freelance Legal Consultant with expertise in U.S. law to contribute to AI system training. This contract role is remote, with the primary location listed as Hyderabad, Telangana, India. What you will do Use your legal background to guide the development of AI tools centered on U.S. law. Provide in-depth feedback to help the AI better interpret legal concepts and terminology. Position details This contract offers legal professionals a chance to work where law meets technology. The position is fully remote and involves collaborating with an international team, offering flexibility in how and where the work is done.

Mindrift connects professionals with AI projects for leading technology companies. The platform focuses on advancing Generative AI by involving specialists from around the world. Role overview This Freelance Python Data Scraping Engineer position supports the Tendem project. The role is remote and part-time, open to candidates based in Hyderabad, Telangana, India, or those working remotely from there. Work centers on improving hybrid AI and human-driven data scraping workflows. As an AI Pilot, collaboration with Tendem Agents is a key part of the job. The position blends hands-on technical work with critical thinking and quality control, aiming for precise and actionable web data extraction. What you will do Manage end-to-end data extraction on complex websites to deliver accurate, structured datasets. Work with internal tools such as Apify and OpenRouter, plus custom methods, to collect, validate, and process data to meet project needs. Adjust scraping strategies for dynamic, interactive, and JavaScript-heavy web content, responding to changes in site behavior as they arise. Maintain high data quality through validation, consistency checks, compliance with formatting standards, and thorough verification before delivery. Optimize large-scale scraping by batching or parallel processing, monitoring for failures, and adapting to changes in site structure. Requirements Minimum 3 years of experience in data engineering, web scraping, automation, or similar fields. Strong Python skills and experience with web scraping frameworks. Demonstrated ability to extract data from complex and dynamic web applications. Keen analytical skills and attention to detail for data quality. Clear written and verbal communication abilities. Compensation Contributors may earn up to $12 per hour, depending on experience and pace. Compensation varies by project scope, complexity, and expertise required. How to get started Apply to this posting and complete the qualification process to join. Projects are matched to technical strengths, and schedules are flexible. Tasks include coding, automation, and refining AI outputs, all aimed at improving AI capabilities and practical applications.

Please submit your CV in English and indicate your English proficiency level. Mindrift offers contract-based, remote opportunities for legal professionals to support the evaluation and improvement of AI systems. This freelance role connects US bar-admitted legal advisors with project-based work for technology clients. The work is not a permanent staff position. Role overview As a Freelance Legal Advisor (US Bar Admitted) - AI Trainer, each project brings a different set of legal-focused tasks. Typical assignments include: Designing prompts to assess AI performance in legal contexts Reviewing AI-generated outputs for accuracy, logical structure, and alignment with legal standards Refining AI reasoning to ensure it follows core legal principles Evaluating multi-step legal problem-solving using structured criteria Requirements Law degree (Bachelor, J.D., LLM, or FLLM) from a US institution Minimum 2 years of legal practice in the US Strong written English skills at C1 or C2 level Reliable internet connection Who will thrive in this role This contract suits legal consultants or attorneys with US law experience seeking flexible, project-based work. The structure allows for remote participation from Hyderabad, Telangana, India or elsewhere, as long as requirements are met. How to get started Apply Complete qualification steps Join a project Carry out assigned tasks Receive payment Time commitment Active projects typically require about 10 to 20 hours per week. Actual hours depend on project needs and may vary; no minimum is guaranteed. Compensation Earn up to $15 per hour, based on expertise and task completion rate. Pay may vary by project, depending on complexity and required skills. Other projects on the platform may offer different rates according to their specific requirements.

Toloka AI seeks a Computer Science Specialist with advanced Python skills to contribute to AI projects on the Mindrift platform. This role is remote, with a focus on candidates based in Hyderabad, Telangana, India. Key responsibilities Use Python to build and refine AI-driven solutions Tackle complex technical challenges as part of a collaborative team Support projects that explore new possibilities in AI technology Location This is a remote position for candidates located in Hyderabad, Telangana, India.

Role overview This freelance contract centers on data annotation for AI development. The main responsibility is to prepare accurately labeled datasets that support the training and improvement of machine learning models. Careful attention to detail and consistent, high-quality annotation are essential to ensure the reliability of AI applications. Location and work style This position is remote and based in Hyderabad, Telangana, India. The role offers flexibility, allowing work from any location and the ability to set your own hours.