Freelance Electrical Engineer & Python Specialist - AI Trainer

This freelance Optical Engineer role with Toloka AI (remote, based in Stuttgart, Baden-Württemberg, Germany) offers the chance to contribute expertise to project-based AI initiatives. Work is organized through Mindrift, connecting specialists with assignments that help advance AI systems for major technology clients. This is a project-based contract, not a p…

We kindly request that you submit your CV in English and specify your English proficiency level.At Mindrift, we specialize in connecting skilled professionals with project-based AI opportunities at leading tech companies, with a focus on testing, assessing, and enhancing AI systems. This is a project-based role, not a permanent position.Opportunity OverviewEach project comes with its own set of unique tasks. Contributors may be responsible for:Creating original optics problems that accurately reflect real-world physics research workflows;Ensuring that these problems are computationally intensive and cannot be resolved manually within a practical timeframe (days/weeks);Designing problems that require complex reasoning across mechanics, electromagnetism, thermodynamics, and quantum mechanics;Rooting problems in actual research challenges or practical applications from the fields of optics and physics;Clearly documenting problem statements and providing verified correct solutions.Ideal Candidate ProfileThis role is well-suited for optical engineers who are open to part-time, non-permanent project work. We are looking for candidates who possess:A degree in Physics (Theoretical, Experimental, or Computational) or a related field;A minimum of 2 years of relevant experience in applied research or education;Familiarity with numerical simulation techniques;The capability to design problems that mirror genuine physics research workflows;Creative problem-solving skills across various physics disciplines;Knowledge of physics modeling and approximation methodologies;Strong written English skills (C1 level or higher).Workflow ProcessSteps include: Apply → Pass qualifications → Join a project → Complete tasks → Receive payment.Project Time CommitmentFor this project, tasks are estimated to require approximately 10 to 20 hours per week during active phases, depending on project demands. This is an estimate, not a guaranteed workload, and applies only while the project is ongoing.CompensationContributors can earn up to $45 per hour, based on their contribution level and pace. Compensation may vary across projects depending on their scope, complexity, and required expertise. Please note that other projects on our platform may offer different earning potentials based on their specific requirements.

We invite you to submit your CV in English, including your level of English proficiency.Mindrift specializes in connecting talented professionals with project-based opportunities in artificial intelligence for top technology firms, focusing on the testing, evaluation, and enhancement of AI systems. Please note that participation is project-based and does not constitute permanent employment.Role OverviewAs an Optical Engineer, your contributions will vary by project, but may include: Designing original computational physics problems that simulate authentic physics research workflows;Creating challenges requiring Python programming solutions (utilizing libraries such as Numpy, SciPy, and Sympy);Ensuring that problems are computationally intensive, requiring days or weeks to solve manually;Developing intricate reasoning chains in mechanics, electromagnetism, thermodynamics, and quantum mechanics;Grounding challenges in real research issues or practical applications within physics;Verifying solutions using Python alongside standard physics simulation libraries;Providing clearly documented problem statements and verified correct answers.QualificationsThis role is perfect for Optical Engineers with Python expertise seeking part-time, non-permanent projects. Ideal candidates will possess: A degree in Physics (Theoretical, Experimental, or Computational) or a related discipline;Proficiency in Python for numerical validation, with familiarity in MATLAB, R, C, SQL, Numpy, Pandas, SciPy, or any domain-specific libraries;A minimum of 2 years of professional experience, including applied, research, or teaching roles;Experience with numerical simulation techniques;Capability to design problems that closely reflect real physics research workflows;Innovative problem-solving skills across various physics domains;Knowledge of physics modeling and approximation techniques;Strong command of written English (C1+ level).Application ProcessTo get started, apply → pass qualifications → join a project → complete tasks → receive payment.Project CommitmentTasks for this project are estimated to require approximately 10–20 hours per week during active project phases, subject to project demands. This is an estimate and not a guaranteed workload.CompensationContributors may earn up to $45 per hour, depending on individual levels of contribution and project needs. Please be aware that compensation may vary by project scope, complexity, and required expertise.

Role overview toloka-ai seeks a Senior Consultant with a deep background in artificial intelligence for freelance assignments. This role involves guiding AI projects, sharing expertise built at leading firms, and helping to develop solutions that align with client objectives. The consultant will play a key part in enhancing toloka-ai’s service offerings through direct project involvement. What you will do Advise on AI projects from initial concept through delivery Draw on experience from top-tier firms to address client needs Work closely with a remote team to design and improve AI solutions Contribute to the ongoing development of toloka-ai’s services through active project work Location This freelance position is fully remote. Candidates can be based in Stuttgart, Baden-Württemberg, Germany, or work from another location.

Mindrift partners with technology leaders to connect specialists to AI projects worldwide. For the Tendem project (https://tendem.ai/), the focus is on building intelligent automation systems that combine Large Language Models (LLMs) with human expertise. The aim is to create scalable workflows that improve content generation, communication, and automation. Role overview This is a part-time, remote contract role as a Freelance AI Workflow Engineer (also known internally as "AI Pilot") for the Tendem project. The main focus is designing and refining LLM-powered workflows. Collaboration with Tendem Agents is central, with the goal of managing repetitive tasks and developing automation solutions. The work includes prompt engineering, workflow design, and quality control to ensure reliable results. Key responsibilities Design and evaluate workflows that use LLM APIs such as OpenAI, Claude, Gemini, or similar tools. Build and enhance AI automation systems for content generation, enrichment, and communication tasks. Develop and improve prompt frameworks to achieve consistent, high-quality outputs. Create systems for personalized automated outreach, including email and messaging flows, as well as lead enrichment. Structure and preprocess data to support stable model performance and trustworthy results. Analyze and optimize AI-driven pipelines for scalability, efficiency, and accuracy. Who this role suits This contract is well suited to those with hands-on experience in LLM integrations, prompt design, and automating AI systems. Structured thinking and a focus on quality are important. The position is remote and based in Stuttgart, Baden-Württemberg, Germany, but candidates can work from anywhere.

Role overview Mindrift is looking for a freelance API Integration Developer to support the Tendem project (https://tendem.ai/). This part-time contract is fully remote and centers on building and improving integrations for a hybrid AI and human workflow. What you will do Develop and refine API integrations to connect various platforms and services Work closely with Tendem Agents, who manage repetitive tasks, to ensure reliable data flow Use structured analysis and quality assurance practices to keep integrations reliable and scalable Create and maintain data pipelines using APIs and webhooks Requirements Freelance experience working with API integrations and webhooks Ability to build and manage data pipelines across multiple systems Interest in part-time, remote work, open to candidates based in Stuttgart, Baden-Württemberg, or elsewhere

Mindrift is seeking talented DevOps / Automation Engineers to become part of the Tendem project (https://tendem.ai/). In this role, you will help construct and sustain scalable infrastructure for automation workflows in our hybrid AI + human environment.As an AI Pilot at Mindrift, you will work in conjunction with Tendem Agents that manage repetitive tasks, while you leverage your infrastructure expertise to enhance system reliability and performance optimization, ensuring robust and scalable automation pipelines.This part-time remote position is perfect for professionals with hands-on experience in cloud infrastructure, system deployment, and managing high-load automation environments.

Mindrift is seeking talented Python Data Scraping Engineers to contribute to the Tendem project, enhancing our innovative hybrid AI and human system through specialized data scraping workflows.In the capacity of an AI Pilot, as we refer to this role at Mindrift, you will work collaboratively with Tendem Agents executing repetitive tasks, while you apply your critical thinking, domain expertise, and quality assurance skills to deliver precise and actionable data.This part-time remote position is ideally suited for technical experts with substantial experience in web scraping, data extraction, and processing.About UsThe Mindrift platform bridges specialists with AI projects from leading technology innovators. Our mission is to harness the power of Generative AI by leveraging expertise from specialists around the world.Role OverviewThis freelance role is part of the Tendem project. As a Python Data Scraping Engineer, you will be responsible for executing data scraping tasks with a focus on technical accuracy for web extraction and processing, employing various tools such as Apify and OpenRouter, along with your own innovative methods.Key ResponsibilitiesManage end-to-end data extraction processes across intricate websites, ensuring thorough coverage, accuracy, and dependable delivery of structured datasets.Utilize internal tools (Apify, OpenRouter) along with custom workflows to expedite data collection, validation, and task execution while adhering to defined specifications.Guarantee reliable data extraction from dynamic and interactive web sources, modifying strategies as necessary to accommodate JavaScript-rendered content and evolving site behavior.Maintain data quality standards through validation checks, cross-source consistency controls, adherence to formatting guidelines, and systematic verification prior to data delivery.Enhance scraping operations for large datasets through efficient batching or parallelization, monitor failures, and ensure stability in response to minor changes in site structure.CompensationContributors can earn up to $32 per hour, based on their experience and contribution speed. Note that compensation varies by project depending on its scope, complexity, and required expertise.How to ApplyTo get started, simply apply to this posting, qualify, and you will have the opportunity to work on projects that align with your technical skills, on your own schedule. From coding and automation to refining AI outputs, you will play a pivotal role in advancing AI capabilities and real-world applications.

We kindly request that you submit your CV in English, along with a clear indication of your English language proficiency.Mindrift connects talented specialists with project-based AI opportunities from leading technology firms, focusing on the testing, evaluation, and enhancement of AI systems. Please note that participation is project-based and does not constitute permanent employment.Role OverviewEach project presents its own unique challenges, and contributors may be expected to:Craft innovative computational engineering problems that replicate real-world engineering workflows;Develop problems that necessitate Python programming for solving engineering calculations and simulations;Ensure problems are computationally intensive and utilize numerical methods or iterative solutions;Create problems related to system design, optimization, and analysis;Base problems on genuine research challenges or practical applications within engineering;Validate solutions using Python and standard engineering libraries;Clearly document problem statements and provide verified correct answers.Desired QualificationsThis role is ideal for engineers with experience in Python who are open to part-time, non-permanent projects. Ideally, candidates will 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, domain-specific libraries, or any comparable programming language is also acceptable;A minimum of 2 years of professional experience, including applied, research, or teaching experience;Understanding of practical engineering limitations and approximations;Strong written English skills (C1+ level);Professional certifications (e.g., CMME, SAS Certifications, CAP) and experience in international or applied projects are advantageous.How the Process WorksApply → Successfully pass qualification(s) → Engage in a project → Complete assigned tasks → Receive payment.Project Time ExpectationsFor this project, tasks are estimated to require approximately 10–20 hours per week during active phases, depending on project demands. This is an estimate and does not guarantee a specific workload, applicable only while the project is ongoing.CompensationContributors may earn up to $50 per hour, contingent on their expertise and contribution pace. Compensation varies across projects based on scope, complexity, and required skill set. Note that other projects on the platform may offer different earning potentials based on their specific requirements.

Please submit your CV in English and specify your English proficiency level. Mindrift, in partnership with toloka-ai, offers project-based freelance work for experienced data scientists. This role centers on testing, evaluating, and enhancing AI systems for leading technology companies. All assignments are project-based, not permanent employment. Key Responsibilities Design original data science challenges that reflect analytical work from sectors like telecom, finance, government, e-commerce, and healthcare. Create tasks requiring advanced Python programming, using libraries such as Pandas, Numpy, Scipy, scikit-learn, Statsmodels, Matplotlib, and Seaborn. Develop problems that require significant computational effort, making manual solutions impractical. Formulate scenarios involving complex data processing, statistical analysis, feature engineering, predictive modeling, and extracting business insights. Ensure each challenge is deterministic and reproducible, using fixed random seeds when needed. Base tasks on real business needs, including customer analytics, risk assessment, fraud detection, forecasting, optimization, and operational efficiency. Build end-to-end challenges covering the full data science workflow: data ingestion, cleaning, exploratory analysis, modeling, validation, and deployment considerations. Include scenarios that require scalable computational methods for large datasets. Validate solutions in Python using standard data science libraries and statistical techniques. Write clear documentation for each problem, providing business context and verified solutions. Requirements Minimum 5 years of hands-on data science experience with measurable business outcomes. Portfolio of completed projects or publications showing real-world problem-solving. Advanced Python programming skills for data science (pandas, numpy, scipy, scikit-learn, statsmodels). Expertise in statistical analysis and machine learning, with strong knowledge of algorithms and methodologies. Proficient SQL skills for data analysis and manipulation. Familiarity with GenAI technologies, including LLMs, RAG, prompt engineering, and vector databases. Understanding of MLOps and model deployment workflows. Knowledge of frameworks like TensorFlow, PyTorch, and LangChain. Strong written English skills at C1 level or higher. How to Get Started Apply Complete qualification(s) Join a project Finish assigned tasks Receive compensation Location: Remote , Stuttgart, Baden-Württemberg, Germany

We invite you to submit your CV in English, detailing your English proficiency level.Mindrift is a dynamic platform that connects skilled professionals with project-based AI opportunities at top tech companies, emphasizing the assessment, evaluation, and enhancement of AI systems. Please note that this role is project-based and does not offer permanent employment.Opportunity OverviewEach project presents unique challenges, and contributors may be required to:Devise innovative computational physics problems that replicate real-world physics research workflows;Generate problems that necessitate Python programming for resolution (utilizing Numpy, SciPy, Sympy);Ensure that problems are computationally demanding and cannot be resolved manually within practical timeframes (days/weeks);Create problems involving substantial reasoning chains across mechanics, electromagnetism, thermodynamics, and quantum mechanics;Base problems on authentic research challenges or practical scenarios from the field of physics;Validate solutions via Python using standard physics simulation libraries;Clearly document problem statements and provide verified solutions.Preferred QualificationsThis opportunity is ideal for individuals with a background in physics and Python programming, who are interested in part-time, non-permanent projects. The ideal candidate should possess:A degree in Physics (Theoretical, Experimental, or Computational) or a related discipline;Proficiency in Python for numerical validation, with familiarity in MATLAB, R, C, SQL, Numpy, Pandas, SciPy, or other domain-specific libraries considered equivalent;A minimum of 2 years of relevant professional experience: applicable experience includes applied research or teaching;Expertise in numerical simulation techniques;The ability to craft problems that reflect real physics research workflows;Creative problem-solving skills across various domains of physics;Strong written English skills (C1+).How to Get StartedInterested candidates should apply, pass the qualifications, join a project, complete the tasks, and receive payment.Project CommitmentFor this project, tasks are estimated to require approximately 10–20 hours per week during active phases, subject to project requirements. This is an estimate and not a guaranteed workload, applicable only while the project is ongoing.CompensationContributors can earn up to $45 per hour, depending on their experience and contribution pace. Please note that compensation may vary across projects based on scope, complexity, and required expertise.

Mindrift partners with the Tendem project to combine AI technology and human expertise for building and optimizing automation workflows. This freelance role focuses on advancing automation by designing, refining, and supporting processes that reduce repetitive manual tasks. Role overview This is a remote, part-time freelance position based in Stuttgart, Baden-Württemberg, Germany. Mindrift calls this role an AI Pilot. The main focus is on developing and improving automation processes that increase efficiency, scalability, and reliability. Collaboration with Tendem Agents is central to the work, ensuring smooth integration between AI and human-driven systems. Key responsibilities Develop and refine automation workflows using Make.com and n8n Customize solutions with JavaScript to address project needs Work alongside human agents to identify and automate repetitive processes Support integration of AI and human-driven systems for seamless operations Requirements Experience with low-code automation platforms such as Make.com and n8n Strong JavaScript skills for workflow customization Background in workflow architecture and automation best practices Comfort working in a collaborative environment that blends AI and human input Position details Part-time, freelance contract Remote work based in Stuttgart, Baden-Württemberg, Germany

Join our dynamic team at Toloka AI as a Freelance Agent Evaluation Engineer! In this role, you will be at the forefront of enhancing the quality of AI systems through meticulous evaluation and testing. Your expertise will help shape the future of AI technology by ensuring that our models are both effective and reliable.

Toloka AI is looking for a freelance AI Trainer who combines civil engineering expertise with strong Python programming skills. This role is remote, with a focus on projects based in Stuttgart, Baden-Württemberg, Germany. Role overview This position centers on using civil engineering knowledge alongside Python to help shape AI systems. The work involves both technical input and collaboration with others on the team. What you will do Use civil engineering experience and Python programming to contribute to AI system development Work with colleagues to enhance and fine-tune artificial intelligence projects Offer training and technical support for ongoing AI efforts Location This is a remote freelance role, connected to Stuttgart, Baden-Württemberg, Germany.

We invite you to submit your CV in English and indicate your proficiency level in English.At Mindrift, we facilitate connections between specialists and project-based AI opportunities for prominent tech companies. Our focus is on testing, evaluating, and enhancing AI systems. Note: Participation is project-based and does not entail permanent employment.Opportunity OverviewEach project encompasses unique tasks, and contributors may be involved in the following activities:Crafting original computational statistics problems that emulate authentic mathematical research workflows;Formulating problems that necessitate Python programming solutions (utilizing libraries such as Numpy, SciPy, Sympy);Designing computationally intensive problems that cannot be resolved manually within reasonable timeframes (days/weeks);Creating problems that require intricate reasoning chains in fields like number theory, combinatorics, graph theory, and numerical analysis;Basing problems on genuine research challenges or practical applications in mathematics;Validating solutions using Python and standard mathematical libraries;Clearly documenting problem statements and providing verified correct answers.Qualifications We SeekThis role is ideally suited for statistics specialists with Python experience, seeking part-time, non-permanent projects. Preferred qualifications include:A degree in Statistics or a related discipline;Proficiency in Python for numerical validation; familiarity with MATLAB, R, C, SQL, Numpy, Pandas, SciPy, domain-specific libraries, Stata, or knowledge of any programming language is acceptable;A minimum of 2 years of relevant professional experience, including applied, research, or teaching experience;Strong written English skills (C1+);Professional certifications (e.g., CMME, SAS Certifications, CAP) and experience in international or applied projects are advantageous.Process OverviewApply → Pass qualifications → Join a project → Complete tasks → Receive paymentProject Time CommitmentFor this project, tasks are expected to require approximately 10–20 hours per week during active phases, varying based on project requirements. This estimate is not a guaranteed workload and only applies while the project is active.Compensation DetailsContributors can earn up to $50 per hour equivalent, based on their level of expertise and contribution pace. Compensation may vary across projects depending on scope, complexity, and required expertise. Please note that other projects on the platform may offer different earning levels based on their specific requirements.

Mindrift is seeking talented Low-Code Automation Engineers proficient in platforms such as Make.com and n8n, as well as JavaScript, to contribute to the Tendem project. Your role will involve designing and implementing powerful automation workflows in a collaborative AI + human setting.As an AI Pilot at Mindrift, you will partner with Tendem Agents to manage repetitive tasks while applying your automation skills, innovative thinking, and quality assurance to ensure effective and scalable workflow execution across various systems.This freelance, part-time remote position is perfect for individuals with extensive experience in low-code automation platforms, workflow architecture, and JavaScript customization.About MindriftAt Mindrift, we connect specialists with exciting AI projects from leading technology innovators. Our goal is to harness the power of Generative AI by leveraging real-world expertise from around the world.Role OverviewAs a Low-Code Automation Engineer, you will create, develop, and improve advanced automation workflows across multiple platforms, ensuring their reliability, scalability, and effective data management within integrated systems.Key ResponsibilitiesDesign and assess intricate automation workflows across various business tools and platforms.Develop and enhance workflows utilizing low-code platforms (Make.com, n8n), APIs, webhooks, and event-driven logic.Incorporate custom JavaScript into automation tools to manage advanced logic, transformations, and exceptional cases.Facilitate data integration across platforms (e.g., Airtable, Google Sheets, Notion, CRMs, etc.).Guarantee the dependable execution of workflows by implementing robust error handling, logging, and fallback strategies.Identify and diagnose automation performance issues, minimizing failures and enhancing efficiency.Assist in automating communication and operational workflows (e.g., messaging, outreach, notifications).CompensationProject contributors can earn up to $60 per hour, based on their expertise and contribution speed. Compensation levels may vary across different projects depending on their scope, complexity, and required skills.

Role overview Toloka AI seeks a Freelance Machine Learning Engineer to contribute to remote projects connected to Stuttgart, Baden-Württemberg, Germany. The position centers on building and enhancing machine learning models used in advanced AI applications. What you will do Develop and improve machine learning models for various AI projects Apply technical knowledge to help design and implement new AI applications Location This contract position is fully remote. Candidates should be based in or near Stuttgart, Baden-Württemberg, Germany.

Toloka AI seeks a Freelance English Writer and AI Trainer to join its remote team. This contract position is open to candidates based in Stuttgart, Baden-Württemberg, Germany, but all work can be completed remotely. Role overview This role centers on supporting AI projects that require strong English writing and language abilities. The work involves both content creation and helping AI systems better understand natural language. What you will do Write and edit English-language content for use in AI training Contribute to projects aimed at improving AI's language understanding Collaborate with the Toloka AI team to achieve project objectives Location Remote work is available. The position is based in Stuttgart, Baden-Württemberg, Germany, but candidates may work from anywhere.

Toloka AI seeks a Freelance Mathematics Expert for remote contract work based in Stuttgart, Baden-Württemberg, Germany. This role centers on applying advanced mathematical concepts to support ongoing AI training projects and improve algorithm performance. Key responsibilities Use mathematical methods to develop and refine AI algorithms Contribute expertise to projects focused on advancing intelligent systems Collaborate with a distributed team of AI professionals Collaboration and work environment This position offers the chance to work remotely with colleagues from varied backgrounds. Sharing mathematical expertise is central to shaping new AI technologies as part of a global team.