Biology & Python Specialist - Freelance AI Trainer

Please submit your CV in English and specify your English proficiency level. This freelance role connects experienced Python developers with project-based work in AI system assessment, testing, and improvement. Mindrift, in partnership with toloka-ai, matches skilled professionals to assignments at leading technology companies. The engagement is not permanent but offers flexibility and remote work, based in Stuttgart, Baden-Württemberg, Germany or remotely. Role overview The Senior Python Developer - Code Migration Expert focuses on interpreting requirements, designing migration tasks, and using LLM-powered tools (such as Roo Code and Claude Code) to streamline development. The position calls for strong skills in functional testing, Linux, and Docker. Comfort with reading code in languages like C, Rust, and Go (with LLM support) is important. Main responsibilities Develop functional black box tests for large codebases in various languages. Create and manage Docker environments to ensure reproducible builds and test runs across platforms. Track code coverage and implement automated scoring to meet industry standards. Use LLMs (Roo Code, Claude) to accelerate development, automate repetitive work, and improve code quality. Requirements Minimum 5 years of experience as a Software Engineer, focusing on Python. Expertise with pytest, including fixtures, session-scope, timeouts, and black-box functional test design for CLI tools. Advanced Docker skills: building reproducible Dockerfiles, managing user contexts, and maintaining secure workspaces. Strong command of Linux and Bash scripting, including debugging inside containers. Familiarity with modern Python tooling (uv, pyproject.toml, packaging). Ability to read and understand multiple programming languages (such as C, C++, Rust, or Go) with LLM assistance. Experience using LLMs (Claude Code, Roo Code, Cursor) for faster development cycles and generating test cases. English proficiency at B2 level or higher. Preferred qualifications Experience with agent evaluation platforms and MCP CLI. Tools and technologies Python (pytest, uv, Pillow), Docker, Bash, Git Submodules, reading C/C++/Rust/Go, Dagger, GitHub Codespaces, LLMs (Claude Code, Roo Code, Cursor), coverage.py, gcov, kcov. Benefits and work arrangement Freelance, project-based collaboration through the Mindrift platform (powered by Toloka AI). Fully remote work with flexible hours, typically 20-30 hours per week. Compensation per project depends on scope and expertise; AI trainers may earn up to $50 per hour equivalent.

Please submit your CV in English and indicate your English proficiency level. This Senior Python Systems Developer role is a project-based, freelance opportunity with Toloka AI (via Mindrift), supporting top technology companies in testing and improving AI systems. The position is remote and based in Stuttgart, Baden-Württemberg, Germany, but open to candidates working from anywhere. Role overview This position centers on building and maintaining functional black box tests for large and diverse codebases. Responsibilities include managing Docker environments, using language models to interpret code in C, Rust, and Go, and translating migration requirements into actionable development tasks. Tools such as Roo Code and Claude Code are used to streamline workflows and automate repetitive tasks. What you will do Design and implement functional black box tests for projects written in multiple programming languages. Set up and manage Docker environments to ensure reproducible builds and consistent testing across platforms. Monitor code coverage and automate scoring to meet industry standards. Apply large language models (LLMs) like Roo Code and Claude to accelerate development, automate routine work, and enhance code quality. Requirements Minimum 5 years of experience as a Software Engineer, with a strong focus on Python. Deep knowledge of pytest, including fixtures, session-scoped testing, timeouts, and black box functional test design for CLI tools. Advanced experience with Docker: writing reproducible Dockerfiles, managing user contexts, and securing workspaces. Expertise in Linux and Bash scripting, including debugging within containers. Familiarity with modern Python tooling (uv, pyproject.toml, packaging). Ability to read and understand code in C, C++, Rust, or Go with the help of LLMs. Hands-on experience using LLMs (Claude Code, Roo Code, Cursor) to speed up development and generate tests. English proficiency at B2 level or higher. Preferred qualifications Background with agent evaluation platforms and MCP CLI. Key tools & technologies Python (pytest, uv, Pillow), Docker, Bash, Git Submodules, C/C++/Rust/Go (for code reading), Dagger, GitHub Codespaces, LLMs (Claude Code, Roo Code, Cursor), coverage.py, gcov, kcov. Benefits & work arrangement Freelance, project-based contract through Mindrift (powered by Toloka AI). Fully remote position with flexible scheduling. Work 20-30 hours per week and set your own hours. Compensation varies by project and experience, with potential earnings up to $50 per hour for this engagement.

This freelance, project-based role with Mindrift connects electrical engineers and Python specialists to remote AI training projects. Projects are based in Stuttgart, Baden-Württemberg, Germany, but work is fully remote. Mindrift specializes in testing, evaluating, and improving AI systems for leading technology companies. Role overview Contributors design and validate computational engineering challenges that support AI training. Each project introduces new tasks. Typical responsibilities include: Creating computational engineering problems modeled on real-world workflows Developing challenges that require Python programming for calculations and simulations Ensuring problems are computationally intensive, using numerical methods or iterative solutions Focusing on system design, optimization, and analysis within problem sets Formulating challenges based on authentic research questions or practical engineering scenarios Validating solutions using Python and standard engineering libraries Documenting problem statements clearly and providing verified solutions Requirements Degree in Electrical Engineering or a related field Proficiency in Python for numerical validation; familiarity with MATLAB, R, C, SQL, Numpy, Pandas, SciPy, or similar tools is valued At least 2 years of professional experience (applied, research, or teaching) Understanding of practical engineering constraints and approximations Strong written English skills (C1 level or above) Professional certifications (such as CMME, SAS Certifications, CAP) and experience with international or applied projects are a plus Project workflow Apply Pass qualifications Join a project Complete assigned tasks Receive compensation Time commitment During active project phases, tasks usually require about 10 to 20 hours per week. Actual workload may vary by project and is not guaranteed. Compensation Contributors can earn up to $50 per hour, depending on expertise and pace. Rates may differ across projects based on scope, complexity, and required skills. Other projects on the platform may offer different rates according to their specific requirements. To apply, please submit your CV in English and specify your English proficiency level.

This freelance, part-time position supports the Tendem project for Mindrift. Work remotely from Stuttgart, Baden-Württemberg, or anywhere with reliable connectivity. Internally, this role is known as an AI Pilot and focuses on building and refining no-code automation workflows that blend AI and human collaboration. Role overview As a No-Code Automation Workflow Specialist, design and evaluate automation solutions for business functions such as marketing, operations, and data pipelines. The work centers on integrating AI capabilities into workflows and maintaining seamless data flow between SaaS platforms. What you will do Create and assess no-code automation workflows tailored to various business needs. Develop and enhance trigger/action-based automations using platforms like Zapier, Make.com, or similar tools. Embed AI-driven automations, enrichment pipelines, and decision logic into workflows. Ensure accurate data synchronization across multiple systems. Monitor and analyze automation performance for efficiency, scalability, and fault tolerance. Troubleshoot and optimize automation logic for stability and reliability. Who this role suits This contract suits professionals with hands-on experience in no-code automation, workflow design, and process optimization across a range of business systems. Compensation Contributors may earn up to $60 per hour, depending on expertise and pace. Project compensation varies based on scope, complexity, and required skills. Learn more about the Tendem project at https://tendem.ai/.

Join Bosch Group as an intern in Full Stack Development, focusing on innovative laser prototypes. This role offers a unique opportunity to work with technologies such as C#, XAML, and Python. You will collaborate with experienced developers, engage in hands-on projects, and contribute to cutting-edge solutions in the field.

Robert Bosch Krankenhaus GmbH in Stuttgart is seeking a Working Student (m/w/d) to join the IT team and support ongoing rollout projects. The main focus of this role is the migration to Windows 11, an important step in upgrading the hospital’s technology landscape. This position provides hands-on experience in a healthcare IT environment and offers the opportunity to play a part in a major system transition. Key responsibilities Assist with planning and coordination of the Windows 11 migration throughout the hospital Support the rollout process to help ensure a smooth transition for staff Contribute to maintaining operational efficiency during the migration period Location This role is based in Stuttgart.

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

Please submit your CV in English and include your English proficiency level. Mindrift connects specialists with project-based AI work for major technology companies. Projects focus on testing, evaluating, and improving AI systems. This is a contract position, not a permanent role. Role overview This Optical Engineer position focuses on developing and validating computational physics challenges to support AI research. The work involves designing original problems that reflect real research workflows in physics, especially those requiring Python programming to solve. Tasks may include: Creating computational physics problems based on real research questions or practical applications Writing problems that require Python solutions, using tools such as Numpy, SciPy, and Sympy Ensuring challenges are computationally intensive and not solvable by hand within a reasonable timeframe Developing complex problems in mechanics, electromagnetism, thermodynamics, and quantum mechanics Validating solutions in Python with standard physics simulation libraries Documenting problem statements and providing verified solutions Requirements Degree in Physics (theoretical, experimental, or computational) or a closely related field Proficiency in Python for numerical validation; experience with MATLAB, R, C, SQL, Numpy, Pandas, SciPy, Stata, or other programming languages is also welcome At least 2 years of professional experience in applied, research, or teaching roles Background in numerical simulation methods Experience designing problems that reflect real physics research Creative problem-solving skills across physics domains Familiarity with modeling and approximation techniques in physics Strong written English skills (C1 level or higher) Workflow Apply Complete qualification steps Join a project Carry out assigned tasks Receive payment Time commitment During active project phases, expect to spend about 10–20 hours per week. Workload may vary depending on project needs and timing. Compensation Earn up to $45 per hour, depending on expertise and pace. Rates for other projects on the platform may differ based on complexity and requirements. Location This is a remote role based in Stuttgart, Baden-Württemberg, Germany.

Toloka-AI seeks a Computer Science Specialist with advanced Python skills to join its remote team based in Stuttgart, Baden-Württemberg, Germany. This role centers on supporting AI-driven projects that serve a global audience. Key Responsibilities Design and improve artificial intelligence solutions using Python Collaborate with fellow specialists on projects with worldwide impact Tackle challenging technical problems in the AI domain Make meaningful contributions to projects with practical applications About Toloka-AI Toloka-AI develops products powered by artificial intelligence, aiming for broad global use and tangible results. The company emphasizes teamwork and a commitment to technical quality in every initiative.

Join Bosch Secure Authentication GmbH as a Sales and Market Expert specializing in the luxury industry. In this dynamic role, you will leverage your sales acumen and market insights to drive growth and enhance brand presence within the luxury segment. Collaborate with cross-functional teams to develop innovative strategies that align with market trends and customer needs.

Are you an experienced recruitment professional looking to make an impact? Join us at Rvallgemeine Versicherungen AG in Stuttgart, where we are dedicated to finding the best talent in the industry. In this role, you will leverage your expertise to streamline our recruitment processes and enhance our talent acquisition strategies.

Join Bosch Group as an intern in the Performance Expert Service Negotiation team, where you will gain hands-on experience and insights into performance optimization strategies. This internship offers the opportunity to work alongside industry experts, enhancing your skills in negotiation and service excellence.

Mindrift is looking for a Freelance Python Data Scraping Engineer to join its remote team, supporting projects from Stuttgart, Baden-Württemberg, Germany. This part-time, freelance position centers on the Tendem project, where engineers contribute as "AI Pilots" to streamline and improve data workflows. Role overview This role focuses on extracting, processing, and validating data from complex and dynamic web sources. The engineer collaborates with Tendem Agents, applying analytical skills and domain expertise to ensure data is accurate and relevant. Work is fully remote and designed for professionals with a strong background in web scraping and data processing. What you will do Lead data extraction projects on complex websites, delivering structured datasets that meet quality standards. Use internal tools such as Apify and OpenRouter, along with custom workflows, to collect, verify, and process data according to project needs. Develop and refine scraping methods for dynamic and interactive sites, including those with JavaScript-rendered content or frequent changes. Maintain high data quality through validation checks, consistency controls, formatting compliance, and systematic verification. Optimize large-scale scraping using batching or parallel processing, and build resilience against minor site structure changes. Requirements Minimum 3 years of hands-on experience in data engineering, web scraping, and automation. Compensation Contributors can earn up to $32 per hour, depending on project complexity, performance, and expertise. Actual rates may vary between projects. How to apply Submit an application through the provided link. Qualified candidates are matched with projects that suit their technical strengths and can set their own schedules. Work includes programming, automation, and refining AI outputs, supporting the practical use of AI in real-world scenarios.

Join our innovative INSPO team as a Senior Backend Infrastructure Developer. In this role, you will leverage your expertise to design and implement robust backend solutions that support our growing infrastructure. Collaborate with cross-functional teams to ensure seamless integration and optimization of our systems, all while enjoying the flexibility of remote work.

Join our dynamic team as a Beauty & Fragrance Expert, where your passion for beauty products and fragrances will shine. In this role, you will engage with customers, provide expert advice, and help them discover their perfect scents and beauty solutions. Your enthusiasm and knowledge will create an exceptional shopping experience, ensuring customer satisfaction and loyalty.

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.

Please submit your CV in English and indicate your English proficiency level. toloka-ai, working with Mindrift, connects data science professionals to project-based contract work in AI. Assignments support technology companies as they develop, test, and evaluate AI systems. This is not a permanent employment role; work is structured around specific projects. Role overview Design computational data science problems that mirror analytics workflows in industries such as telecom, finance, government, e-commerce, and healthcare. Create problems requiring Python programming, using libraries like Pandas, Numpy, Scipy, Scikit-learn, Statsmodels, Matplotlib, and Seaborn. Ensure challenges are computationally intensive, with solutions that would take significant manual effort. Develop scenarios involving complex data processing, statistical analysis, feature engineering, predictive modeling, and extracting insights. Write deterministic problems with reproducible outcomes by avoiding randomness or using fixed seeds. Base challenges on real business needs such as customer analytics, risk assessment, fraud detection, forecasting, optimization, and operational efficiency. Design end-to-end data science tasks covering data ingestion, cleaning, exploratory analysis, modeling, validation, and deployment considerations. Include big data scenarios that require scalable computational solutions. Validate solutions in Python using standard data science libraries and statistical techniques. Document each problem clearly, provide realistic business context, and supply verified correct answers. Requirements Minimum 5 years of hands-on data science experience with demonstrated business impact. Portfolio of completed projects or publications showing practical problem-solving. Advanced Python programming for data science, including Pandas, Numpy, Scipy, Scikit-learn, and Statsmodels. Strong background in statistical analysis and machine learning, with knowledge of key algorithms and applications. Solid SQL skills for data manipulation and analysis. Familiarity with GenAI tools and concepts (LLMs, RAG, prompt engineering, vector databases). Understanding of MLOps and model deployment workflows. Experience with frameworks such as TensorFlow, PyTorch, and LangChain. Excellent written English (C1+ level). Application process Apply Pass qualifications Join a project Complete tasks Receive compensation This freelance, remote position is open to candidates based in Stuttgart, Baden-Württemberg, Germany, as well as those working remotely.

Please submit your CV in English and indicate your level of English proficiency. toloka-ai, through Mindrift, offers project-based roles for specialists interested in AI system development and evaluation. This freelance position focuses on mathematics and Python, and is not a permanent role. Role overview As a Mathematics & Python Specialist - Freelance AI Trainer, each project centers on developing and validating computational mathematics problems. Tasks vary by project and may include: Designing original computational mathematics problems that reflect real research workflows Creating problems requiring Python programming solutions, often using libraries such as Numpy, SciPy, or Sympy Ensuring problems are computationally intensive, taking days or weeks to solve manually Formulating challenges involving complex reasoning in areas like number theory, combinatorics, graph theory, and numerical analysis Basing problems on real research scenarios or practical mathematical applications Verifying solutions in Python with standard mathematical libraries Documenting problem statements clearly and providing validated answers Requirements Degree in Mathematics (Pure or Applied) or a related field Proficiency in Python for numerical validation; experience with MATLAB, R, C, SQL, Numpy, Pandas, SciPy, specialized libraries, Stata, or other programming languages is also valued At least 2 years of professional experience in applied mathematics, research, or teaching Background in numerical methods and symbolic computation Ability to create problems simulating real mathematical research workflows Familiarity with computational complexity theory Strong written English skills (C1+ level) Project workflow The process includes: Apply → Pass qualifications → Join a project → Complete tasks → Receive compensation. Time commitment Projects may require around 10–20 hours of work per week during active phases. Actual workload depends on project needs and is not guaranteed. Compensation Contributors can earn up to $45 per hour, depending on experience and pace. Compensation varies by project scope, complexity, and expertise required. Other projects on the platform may offer different rates based on their specific requirements.

Please submit your CV in English and indicate your English proficiency level. Mindrift offers freelance, project-based work connecting specialists with AI projects for leading technology companies. Most assignments focus on testing, evaluating, and improving AI systems. These roles are not permanent positions but provide flexible, remote opportunities for professionals seeking part-time engagement. Role overview This freelance AI Trainer position centers on materials science and Python programming. Contributors join projects that bring a range of technical challenges, often requiring a blend of engineering knowledge and computational problem-solving skills. Design original materials engineering problems that mirror real-world workflows Create Python programming challenges for engineering calculations and simulations Develop problems that require computational effort, such as numerical methods or iterative solutions Build scenarios in system design, optimization, and analysis Base challenges on real research or practical engineering applications Validate solutions in Python using standard engineering libraries Document problems clearly and supply verified, correct answers Requirements Degree in Material Science or a related field Proficiency in Python for numerical validation; experience with tools like MATLAB, R, C, SQL, Numpy, Pandas, SciPy, or Stata is a plus Minimum two years of professional experience (applied, research, or teaching) Solid understanding of practical engineering constraints and approximations Excellent written English (C1 level or higher) Project workflow Application Qualification pass Project engagement Task completion Compensation Time commitment Active project phases typically require 10–20 hours per week. Actual workload varies based on project needs. Compensation Earnings can reach up to $45 per hour, depending on contribution and pace. Rates differ by project and reflect scope, complexity, and required expertise. Other Mindrift projects may offer different compensation structures. Location This is a remote contract role. Applicants based in Stuttgart, Baden-Württemberg, Germany are encouraged to apply, though the position is open to candidates in other locations as well.