Optical Engineer with Python - Freelance AI Trainer Opportunity

Please submit your CV in English and indicate your level of English proficiency.Mindrift bridges the gap between talented specialists and exciting project-based AI opportunities with leading technology firms, focusing on the testing, evaluation, and enhancement of AI systems. Note that participation is project-based and does not lead to permanent employment.…

Please submit your CV in English and indicate your level of English proficiency. toloka-ai, in partnership with Mindrift, offers freelance, project-based roles focused on advancing AI systems. This opportunity is structured around temporary assignments, not permanent employment. Each project aims to test, evaluate, and improve AI capabilities through the expertise of skilled professionals. Role overview The Optical Engineer – Freelance AI Trainer works on assignments that draw on deep knowledge of optics and physics. Project tasks can include: Creating original optics problems that reflect real-world research workflows in physics Designing computationally intensive challenges that cannot be solved manually in a short time Developing problems requiring advanced reasoning across areas such as mechanics, electromagnetism, thermodynamics, and quantum mechanics Basing assignments on authentic research scenarios or practical applications in optics and physics Documenting problem statements clearly and providing verified, accurate solutions Requirements Degree in Physics (theoretical, experimental, or computational) or a related field Minimum of 2 years’ experience in applied, research, or teaching roles Experience with numerical simulation methods Ability to create problems that mirror real-world physics research Creative problem-solving skills across multiple physics disciplines Familiarity with modeling and approximation techniques in physics Excellent written English skills at C1 level or above This freelance role is ideal for optical engineers seeking flexible, part-time assignments without a long-term commitment. Project commitment During active project periods, tasks typically require 10–20 hours per week. Actual workload may change depending on project availability. Compensation Contributors can earn up to $35 per hour, based on skill, pace, and project requirements. Compensation depends on the scope, complexity, and expertise needed for each assignment. Application process Apply Meet qualifications Join a project Complete assigned tasks Receive compensation Location: Remote , Glasgow, Scotland, United Kingdom

We invite you to submit your CV in English, noting your proficiency level.Mindrift specializes in connecting experts with dynamic, project-based AI opportunities in collaboration with leading technology firms. Our focus is on the testing, evaluation, and enhancement of AI systems. This is a project-based role, not a permanent position.Opportunity OverviewEach project presents unique challenges, and contributors will:Craft original optical problems that replicate authentic physics research processes;Ensure problems demand computational solutions that cannot be manually resolved in a reasonable timeframe (days/weeks);Formulate problems involving complex reasoning across mechanics, electromagnetism, thermodynamics, and quantum mechanics;Base challenges on genuine research questions or practical scenarios from optics and physics;Clearly document problem statements and supply verified correct answers.Desired QualificationsThis role is ideal for optical engineers seeking flexible, part-time, non-permanent projects. We prefer candidates who possess:A degree in Physics (Theoretical, Experimental, or Computational) or related disciplines;At least 2 years of professional experience in applied, research, or teaching roles;Familiarity with numerical simulation techniques;Adeptness in designing problems that reflect real physics research workflows;Innovative thinking in problem design across various physics domains;Experience with physics modeling and approximation techniques;Strong written English proficiency (C1+).Project Engagement ProcessApplication → Qualification Assessment → Project Participation → Task Completion → CompensationProject Time CommitmentActive phases of this project are estimated to require approximately 10–20 hours per week, depending on project demands. This is an estimate and does not guarantee workload during project activity.Compensation DetailsContributors can earn up to $35 per hour, dependent on individual contribution level and speed. Compensation varies by project scope, complexity, and expertise required. Note that other projects may offer differing compensation rates.

Toloka AI is seeking a Freelance AI Trainer with a strong background in Biology and Python. This remote position is based in Glasgow, Scotland, and offers the chance to contribute to AI education projects from anywhere. Role overview This role centers on developing training materials and delivering online sessions focused on Biology and Python. The position involves working closely with teams to improve and expand Toloka AI's training programs. What you will do Create clear and engaging educational content in Biology and Python Lead online training sessions for learners Collaborate with team members to enhance program quality Location This is a remote freelance role open to candidates in Glasgow, Scotland, United Kingdom.

Kindly submit your CV in English, detailing your proficiency in the language.Mindrift is a pioneering platform that connects talented specialists with project-based AI opportunities for top-tier tech companies, concentrating on the enhancement, evaluation, and testing of AI systems. Please note that participation is project-based rather than permanent employment.Role OverviewEach project presents distinct tasks, and contributors may be involved in:Crafting innovative computational engineering challenges that reflect real-world engineering workflows;Formulating problems that necessitate Python programming for engineering calculations and simulations;Ensuring that challenges are computationally demanding and employ numerical methods or iterative solutions;Conceiving problems related to system design, optimization, and analysis;Drawing from actual research challenges or practical applications in engineering;Validating solutions using Python alongside standard engineering libraries;Clearly documenting problem statements and providing verified correct answers.Candidate ProfileThis opportunity is ideal for engineers with Python expertise who are open to part-time, non-permanent engagements. Candidates should ideally possess:A degree in Mechanical Engineering or a related field;Proficiency in Python for numerical validation; familiarity with MATLAB, R, C, SQL, Numpy, Pandas, SciPy, or any programming language will also be considered;A minimum of 2 years of professional experience, including applied, research, or teaching roles;A solid understanding of practical engineering constraints and approximations;Strong command of written English (C1+ level);Professional certifications (e.g., CMME, SAS Certifications, CAP) and experience in international or applied projects will be advantageous.Application ProcessApply → Pass qualification(s) → Join a project → Complete tasks → Get compensated.Project CommitmentDuring active phases, tasks are projected to require approximately 10–20 hours per week, depending on project demands. Note that this is an estimate and not a guaranteed workload, applicable only while the project is active.Compensation StructureContributors can earn up to $36 per hour based on their level of expertise and contribution pace. Compensation varies across projects depending on their scope, complexity, and required expertise. Please note that different projects on the platform may offer varying compensation levels based on their specific requirements.

Toloka AI seeks a freelance AI trainer with experience in civil engineering and Python. This contract position is fully remote and based in Glasgow, Scotland. Role overview This role centers on using civil engineering knowledge and Python programming skills to help train and refine AI models. The work supports AI projects aimed at improving efficiency in engineering tasks. Key responsibilities Use civil engineering expertise and Python programming to enhance AI model performance. Collaborate with a distributed team developing AI-driven solutions for project workflows. Offer technical input to support current and future AI initiatives within the team. Location This is a remote role based in Glasgow, Scotland, United Kingdom.

Mindrift offers project-based roles for chemistry professionals with strong Python skills. Work is remote and focuses on developing and validating computational chemistry problems for AI training. These are temporary assignments, not permanent positions. What you will do Create original computational chemistry problems that reflect real research workflows. Design problems that require Python solutions, using libraries such as NumPy, SciPy, and chemistry-specific packages. Ensure each problem is computationally intensive, beyond what could be solved manually within days or weeks. Develop scenarios needing complex reasoning in fields like physical chemistry, quantum chemistry, and molecular modeling. Base your work on actual research challenges or practical chemistry applications. Validate solutions in Python using established computational chemistry methods. Document each problem clearly and provide verified answers. Requirements Degree in Chemistry or a related field. Proficiency in Python for numerical validation. Experience with MATLAB, R, C, SQL, NumPy, Pandas, SciPy, or other programming languages is also acceptable. At least 2 years of professional experience in applied, research, or educational settings. Familiarity with numerical methods and computational chemistry concepts. Strong written English skills at C1 level or higher. How to apply Submit your CV in English and specify your English proficiency. The process: apply, complete qualifications, join a project, execute tasks, and receive payment. Time commitment Expect to spend about 10–20 hours per week during active project phases. Actual workload may vary depending on project needs. Compensation Earn up to $35 per hour, depending on contribution and project complexity. Pay rates may vary for different projects on the platform.

Please submit your CV in English and indicate your level of English proficiency. Mindrift brings together subject-matter experts and project-based AI work for leading technology companies. Projects focus on testing, evaluating, and improving AI systems. This freelance arrangement is project-based and not a permanent employment contract. Role overview This freelance AI Trainer role centers on material science and engineering projects. Assignments vary and may involve: Developing original material engineering problems that mirror real-world workflows Designing problems that require Python programming for calculations and simulations Creating computationally intensive problems using numerical methods or iterative solutions Building scenarios for system design, optimization, and analysis Formulating problems based on current research or practical engineering cases Validating solutions with Python and standard engineering libraries Clearly documenting problem statements and providing verified answers Requirements Degree in Material Science or a closely related discipline Proficiency in Python for numerical validation; familiarity with MATLAB, R, C, SQL, Numpy, Pandas, SciPy, or similar libraries is valued Minimum 2 years of relevant professional experience (applied, research, or teaching) Understanding of practical engineering constraints and approximations Strong written English skills at C1 level or higher How to join Apply Complete qualification steps Join a project Finish assigned tasks Receive compensation Project commitment During active project phases, expect to spend about 10–20 hours per week on assigned work. Actual workload depends on project needs and is not guaranteed outside of active phases. Compensation Contributors can earn up to $35 per hour, depending on expertise and pace. Compensation may vary between projects based on their scope and complexity. This is a remote role. Candidates located in Glasgow, Scotland, United Kingdom are welcome to apply.

We kindly ask you to submit your CV in English along with your level of English proficiency.Mindrift specializes in connecting experts with exciting, project-based AI opportunities for leading tech firms, primarily aimed at testing, evaluating, and enhancing AI systems. Please note that participation is project-based and does not lead to permanent employment.Opportunity OverviewEach project presents unique challenges, where contributors may:Architect original material engineering problems that mimic real-world engineering workflows;Develop problems necessitating Python programming for engineering calculations and simulations;Ensure that problems are computationally robust, requiring numerical methods or iterative solutions;Generate problems centered on system design, optimization, and analytical evaluation;Base problems on real research challenges or practical engineering applications;Validate solutions using Python along with standard engineering libraries;Clearly document problem statements and provide verified correct answers.Candidate RequirementsThis role is ideal for material scientists and engineers proficient in Python, open to non-permanent, part-time projects. The ideal candidates will possess:A degree in Material Science or a related field;Strong Python skills for numerical validation; experience in MATLAB, R, C, SQL, Numpy, Pandas, SciPy, or any domain-specific libraries will also be considered;A minimum of 2 years of relevant professional experience, including applied, research, or teaching experience;A solid understanding of practical engineering constraints and approximations;Exceptional written English skills (C1+).How the Process WorksApply → Successfully complete qualification(s) → Join a project → Carry out tasks → Receive payment.Project CommitmentDuring active project phases, tasks are anticipated to require approximately 10–20 hours per week, subject to project needs. This is an estimation and not a guarantee of workload.Compensation DetailsContributors can earn up to $35 per hour, depending on their experience level and contribution pace. Please note that compensation varies across different projects based on scope, complexity, and required expertise.

Please submit your CV in English and specify your English proficiency level. toloka-ai, in partnership with Mindrift, offers flexible project-based work for experienced Data Scientists who want to help shape AI systems. This freelance engagement is remote, with a base in Glasgow, Scotland, United Kingdom. Contributors work alongside leading technology companies to test, evaluate, and improve AI models. Role overview This role centers on designing and documenting data science challenges that mirror real-world analytical problems from industries such as telecom, finance, government, e-commerce, and healthcare. The work involves creating computationally intensive tasks that require Python solutions, using libraries like Pandas, Numpy, Scipy, Sklearn, Statsmodels, Matplotlib, and Seaborn. Each challenge should be deterministic, reproducible, and grounded in practical business scenarios. What you will do Design data science problems reflecting real-world business needs, such as customer analytics, risk assessment, fraud detection, forecasting, and optimization. Create tasks involving complex data processing, statistical analysis, feature engineering, predictive modeling, and insight generation. Develop computational challenges that cannot be solved manually in a reasonable timeframe. Cover the entire data science workflow: data ingestion, cleaning, exploratory analysis, modeling, validation, and deployment considerations. Include big data scenarios and scalable computational approaches. Validate solutions in Python using standard statistical techniques. Document each problem clearly, provide realistic business context, and supply verified solutions. Requirements Minimum 5 years of hands-on data science experience with demonstrable business impact. Portfolio of completed projects or publications showing real-world problem-solving. Expert Python programming skills for data science, including Pandas, Numpy, Scipy, Sklearn, and Statsmodels. Advanced knowledge of statistical analysis and machine learning algorithms. Strong SQL skills and experience with database operations. Experience with Generative AI technologies (LLMs, Retrieval-Augmented Generation, prompt engineering, vector databases). Familiarity with MLOps practices and workflows for model deployment. Knowledge of frameworks such as TensorFlow, PyTorch, and LangChain. Excellent written English at C1 level or higher. How to apply Submit your application and CV in English. Complete the required qualification steps. Join a project and carry out assigned tasks. Receive compensation upon task completion.

We invite you to submit your CV in English and specify your proficiency level in English.Mindrift bridges the gap between specialists and project-based AI opportunities with leading tech companies, concentrating on the testing, evaluation, and enhancement of AI systems. Please note that participation is on a project basis rather than permanent employment.Opportunity OverviewEach project presents unique challenges, and contributors may:Craft original computational statistics problems that reflect genuine mathematical research workflows;Develop problems requiring Python programming solutions utilizing libraries such as Numpy, SciPy, and Sympy;Ensure challenges are computationally intensive and cannot be solved manually in a reasonable timeframe (days or weeks);Create complex problems that involve non-trivial reasoning in fields like number theory, combinatorics, graph theory, and numerical analysis;Base problems on authentic research challenges or practical applications in mathematical practice;Verify solutions through Python with standard mathematical libraries;Clearly document problem statements and provide verified correct answers.Candidate ProfileThis role is ideally suited for statistics professionals proficient in Python who are open to part-time, non-permanent projects. We prefer candidates who possess:A degree in Statistics or related disciplines;Python skills for numerical validation. Proficiency in MATLAB, R, C, SQL, Numpy, Pandas, SciPy, domain-specific libraries, or equivalent programming languages is acceptable;A minimum of 2 years of professional experience, including applied, research, or teaching experience;Excellent written English skills (C1+);Professional certifications (e.g., CMME, SAS Certifications, CAP) and experience in international or applied projects are advantageous.Workflow ProcessApply → Pass qualifications → Join a project → Complete tasks → Get compensatedProject CommitmentFor this project, tasks are anticipated to require approximately 10–20 hours per week during active phases, contingent upon project needs. This is an estimate and not a guaranteed workload while the project is active.CompensationContributors can earn up to $43 per hour, depending on their expertise and contribution pace. Compensation varies by project based on scope, complexity, and required expertise. Please note that other projects on the platform may offer different earning levels based on their specific requirements.

We invite you to submit your CV in English, along with your English proficiency level.Mindrift is a dynamic platform that connects talented specialists with project-based AI opportunities at leading technology companies. Our focus is on testing, evaluating, and enhancing AI systems. Please note that participation is project-based and does not constitute permanent employment.Project OverviewEach project presents unique challenges, and contributors will have the opportunity to:Design original computational engineering problems that closely simulate real-world engineering workflows.Create programming challenges that require Python to solve complex engineering calculations and simulations.Ensure that the tasks are computationally rigorous, utilizing numerical methods or iterative solutions.Develop problems centered around system design, optimization, and thorough analysis.Base challenges on actual research questions or practical applications from the engineering sector.Validate solutions through Python, employing standard engineering libraries.Document problem statements with clarity and provide verified correct answers.Qualifications We SeekThis role is ideal for engineers with experience in Python, looking for part-time, non-permanent project work. We are particularly interested in candidates who possess:A degree in Electrical Engineering or a related field.Strong proficiency in Python for numerical validation; familiarity with MATLAB, R, C, SQL, NumPy, Pandas, SciPy, or any equivalent programming language is also acceptable.At least 2 years of professional experience, whether in applied, research, or teaching capacities.A solid understanding of practical engineering constraints and approximations.Excellent written English skills (C1+ level).Preferred: Professional certifications (such as CMME, SAS Certifications, CAP) and experience in international or applied projects.How the Process WorksApply → Pass qualifications → Join a project → Complete tasks → Get compensated.Project Time CommitmentDuring active phases, tasks are estimated to require approximately 10–20 hours per week, depending on specific project needs. Please note that this is an estimate and not a guaranteed workload.CompensationContributors can earn up to $36 per hour, based on experience and contribution pace. Compensation varies across projects depending on their scope, complexity, and required expertise. Please be aware that earnings levels may differ across other projects on the platform based on their specific requirements.

Mindrift bridges the gap between specialists and project-based AI opportunities for top tech firms, emphasizing the evaluation and enhancement of AI systems. Note: Participation is based on project contracts, not long-term employment.Role OverviewAs a Procurement & Supply Chain Consultant, you will leverage your expertise to craft realistic disruption scenarios, establish expected outcomes and mitigation strategies, and critically assess AI-generated recommendations for their accuracy and relevance.Key ResponsibilitiesWhile each project presents unique challenges, contributors can expect to:Develop realistic supply chain disruption scenarios (e.g., supplier delays, quantity fluctuations, logistics challenges, quality issues) rooted in real-world manufacturing and procurement practices.Outline anticipated outcomes and suitable mitigation strategies for each scenario.Analyze AI-generated outputs against established business logic.Evaluate data outputs for precision, completeness, and relevance within ERP environments, particularly with systems like Microsoft Dynamics 365, Coupa, Jaggaer, and Ariba (SAP).Assist in the creation and validation of structured data according to specified guidelines.QualificationsA minimum of 4 years of practical experience in procurement, supply chain, or purchasing, preferably within a manufacturing setting.Strong familiarity with procurement processes: purchase orders, vendor management, inventory, and production planning.Experience with ERP systems such as SAP, Oracle, or Microsoft Dynamics 365.Demonstrated capability in designing and analyzing supply chain disruption scenarios and mitigation strategies.Comprehensive understanding of various disruption types: delays, shortages, quality concerns, and logistics problems.Knowledgeable about Incoterms and the management of transportation/logistics.Familiarity with Bill of Materials (BOM) structures and production planning methodologies.Experience assessing supplier performance metrics (OTIF, lead times, quality scores).Analytical mindset capable of comparing AI outputs against real-world business logic.Experience with data validation, structured data entry, or annotation tasks.Excellent written communication skills in English.Project DynamicsProcess: Apply → Qualify → Join a Project → Undertake Tasks → Receive CompensationTime CommitmentFor this project, anticipate dedicating approximately 10-20 hours per week during active phases, depending on project needs. This is an estimate and not a guaranteed workload.CompensationContributors can earn up to $60 per hour, determined by experience and project requirements.

Mindrift is on the lookout for talented DevOps / Automation Engineers (Infrastructure & Scaling) to become part of the exciting Tendem project (https://tendem.ai/). Your mission will be to design, build, and sustain scalable infrastructure that enhances automation workflows in our innovative hybrid AI + human ecosystem.In this pivotal role, referred to as an AI Pilot at Mindrift, you will partner with Tendem Agents performing routine tasks while you lend your expertise in infrastructure management, system reliability, and performance enhancements to guarantee robust and scalable automation pipelines.This freelance, part-time position offers the flexibility to work remotely, making it an excellent opportunity for professionals who possess practical experience in cloud infrastructure, system deployment, and managing high-load automation settings.

Toloka AI seeks a Freelance Junior Journalist - AI Trainer to help shape artificial intelligence systems. This contract role is remote and open to candidates located in Glasgow, Scotland, United Kingdom. Key responsibilities Create and curate training data for AI projects Use journalistic skills to produce content that is clear and accurate Support the improvement of AI’s understanding and information generation Uphold ethical standards in all aspects of content and data work Collaboration and work style This freelance position allows for full remote work. Join a team of professionals from different backgrounds while working from your own location.

Please submit your CV in English and specify your level of English proficiency. Mindrift matches skilled professionals with freelance, project-based work focused on testing and improving AI systems for technology companies. This is not a permanent position; assignments vary by project. Role overview This freelance AI Trainer role is designed for research physicists interested in part-time, flexible work. Assignments center on creating and documenting advanced physics problems for AI training. Tasks may include: Designing original optics problems that reflect real research workflows in physics Developing computationally intensive challenges that cannot be solved manually in a reasonable timeframe Writing problems requiring advanced reasoning in mechanics, electromagnetism, thermodynamics, and quantum mechanics Basing assignments on authentic research or practical applications in optics and physics Clearly documenting problem statements and supplying verified, correct solutions Requirements Degree in Physics (theoretical, experimental, or computational) or a closely related field At least 2 years of experience in applied, research, or teaching roles Familiarity with numerical simulation techniques Ability to design problems reflecting real-world physics research workflows Creative problem-solving across multiple physics disciplines Understanding of physics modeling and approximation methods Advanced written English skills (C1 level or higher) Application process Apply Pass qualification(s) Join a project Complete assigned tasks Receive compensation Time commitment Project phases typically require 10–20 hours per week. Actual workload depends on project needs and may vary outside of active phases. Compensation Contributors can earn up to $35 per hour, depending on expertise, pace, and project complexity. Pay rates may differ for other projects on the platform. Location: Remote , Glasgow, Scotland, United Kingdom

Join our innovative team at Toloka AI as a Senior Python Data Scraping Engineer. In this freelance role, you will be responsible for developing robust data scraping solutions that will assist us in gathering and processing essential data. You will work with cutting-edge technologies and contribute to exciting projects that impact our entire organization.

Toloka AI seeks a Freelance English Writer & AI Trainer to help build and refine AI models. This contract role is fully remote and open to candidates living in Glasgow, Scotland, or elsewhere in the UK. Key responsibilities Write clear, precise content to support AI training tasks Create training materials aimed at improving AI language understanding Use expertise in English and artificial intelligence to ensure high-quality data Collaboration and work style Work from home while collaborating with Toloka AI's team. Contribute language and AI knowledge without needing to commute, making it possible to participate from anywhere in Glasgow or across the United Kingdom.

Toloka AI seeks a Freelance Mathematics Expert for a contract role based remotely in Glasgow, Scotland, United Kingdom. This position centers on applying advanced mathematical knowledge to support the development of artificial intelligence projects. Key Responsibilities Apply mathematical skills to train and enhance AI algorithms Review, refine, and test algorithmic solutions for accuracy and efficiency Work alongside colleagues from diverse backgrounds on projects shaping AI technology Collaboration and Work Style This freelance role is fully remote. Toloka AI values contributions from professionals across multiple disciplines, all working together to address complex challenges in artificial intelligence.

Please submit your CV in English and specify your English proficiency level. Mindrift offers project-based contract roles for experienced data professionals. The company connects specialists with AI-focused projects at leading technology organizations. Most assignments involve testing, evaluating, or enhancing AI systems. This is not a permanent position but a contract engagement for specific projects. Role overview As a Freelance Data Science Engineer (Python & SQL), work centers on designing and validating complex data science problems. Projects span sectors such as telecom, finance, government, e-commerce, and healthcare. Tasks typically include: Creating computational problems that mirror real-world analytics workflows. Developing challenges requiring advanced Python programming, using libraries like Pandas, Numpy, Scipy, Sklearn, Statsmodels, Matplotlib, and Seaborn. Ensuring problems are computationally intensive and not solvable by hand in a short time. Building scenarios involving multi-step reasoning: data processing, statistical analysis, feature engineering, predictive modeling, and insight extraction. Formulating deterministic problems with reproducible results, minimizing randomness by using fixed seeds where needed. Basing problems on realistic business cases such as customer analytics, risk assessment, fraud detection, forecasting, optimization, and operational efficiency. Covering the full data science pipeline: data ingestion, cleaning, exploratory analysis, modeling, validation, and deployment considerations. Including big data processing situations that require scalable computational solutions. Validating solutions in Python with standard data science libraries and statistical techniques. Documenting each problem clearly, including business context and verified answers. Requirements Minimum 5 years of hands-on data science experience with measurable business results. Portfolio of completed projects or publications that demonstrate real-world problem-solving. Advanced Python skills for data science, especially with Pandas, Numpy, Scipy, Scikit-learn, and Statsmodels. Expertise in statistical analysis and machine learning, with deep understanding of algorithms and their applications. Advanced SQL proficiency for data manipulation and analysis. Familiarity with Generative AI (LLMs, RAG, prompt engineering, vector databases). Understanding of MLOps and model deployment processes. Experience with frameworks such as TensorFlow, PyTorch, and LangChain. Strong written English skills (C1 level or higher). How to join Apply with a CV and indicate English proficiency. Complete the qualification process. Join a project team. Work on assigned tasks. Receive compensation for completed work. This is a remote, project-based contract role. Location: Remote , Glasgow, Scotland, United Kingdom.