Freelance API Integration Developer - AI Project Specialist

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

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.

Mindrift is hiring a Freelance n8n Workflow Developer - AI Automation Specialist to support the Tendem project (https://tendem.ai/). This part-time, remote role centers on building and refining automation workflows for a hybrid AI and human system. Known internally as the AI Pilot, this position collaborates with Tendem Agents, who handle repetitive tasks, to ensure reliable and efficient workflow execution through structured automation. Key responsibilities Design, build, and improve automation pipelines using self-hosted n8n environments. Integrate business systems and AI features to create scalable workflows. Develop and enhance AI-driven workflows, including those for content generation and data processing. Set up and manage automation for lead generation and outreach activities. Create web scraping workflows for consistent data extraction. Optimize node sequencing and error handling to minimize workflow failures and delays. Role requirements Experience with no-code automation platforms, workflow design, and process optimization. Familiarity with integrating various business systems. Comfort working part-time and remotely. The position is based in Stuttgart, Baden-Württemberg, Germany, but remote candidates are welcome. About Mindrift Mindrift connects specialists with AI projects from leading technology innovators. The company aims to advance Generative AI by bringing together real-world expertise from a global network of professionals.

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/.

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.

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.

Toloka AI seeks a Freelance Machine Learning Developer to work remotely from Stuttgart, Baden-Württemberg, Germany. This position centers on building and deploying machine learning models that directly support Toloka AI's products. Key responsibilities Create machine learning models tailored to real product requirements Implement technical solutions that drive ongoing improvements Work closely with colleagues to strengthen the company's AI capabilities Location This is a remote role based in Stuttgart, Baden-Württemberg, Germany.

Toloka AI is looking for a Freelance AI Trainer with a strong background in biology and Python programming. This remote role is based in Stuttgart, Baden-Württemberg, Germany. Role overview This position centers on using knowledge of biological sciences and Python to support the development and improvement of AI training programs. The work involves applying subject matter expertise to help shape AI solutions in the life sciences. What you will do Apply biology and programming skills to design and refine AI training materials Contribute to projects that advance AI applications in scientific fields Requirements Expertise in biology Proficiency in Python Interest in AI development

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

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 permanent staff position. Role overview The focus is on applying optical engineering knowledge to AI projects. Assignments involve developing original problems and challenges that reflect real-world research in optics and physics. Tasks are designed to require computational rigor and advanced reasoning, rather than simple manual solutions. Key responsibilities Create optics problems modeled on authentic physics research processes Design challenges that demand advanced reasoning in areas such as mechanics, electromagnetism, thermodynamics, and quantum mechanics Ensure each task emphasizes computational methods Base problems on real research questions or practical applications in optics and physics Write clear, precise problem statements and provide verified solutions Requirements Degree in Physics (theoretical, experimental, or computational) or a closely related field At least 2 years of experience in applied physics, research, or teaching Familiarity with numerical simulation techniques Ability to design problems that mirror real research workflows Creative approach to developing problems across multiple physics domains Understanding of physics modeling and approximation methods Strong written English skills (C1+ level) How to apply Submit an application Complete the required qualifications Join a project Carry out assigned tasks Receive compensation Please provide your CV in English and state your English proficiency level. Project details and time commitment Project work usually calls for 10–20 hours per week during active phases. Actual hours may shift based on project requirements. Compensation Contributors can earn up to $45 per hour, depending on experience and pace. Pay rates may vary with project complexity, scope, and skills needed. Other projects on the platform may offer different rates based on their specific needs.

Please submit your CV in English and indicate your English proficiency level. Mindrift connects specialists with project-based AI work for leading technology companies. Projects focus on improving, evaluating, and testing AI systems. This is a non-permanent, project-based position. Role overview The Freelance AI Trainer (Research Physicist with Python Skills) role involves designing and validating computational physics problems for AI training projects. Each assignment brings a new set of challenges, often rooted in real research scenarios. Create computational physics problems that reflect actual research workflows Develop challenges requiring Python programming, using libraries such as Numpy, SciPy, and Sympy Ensure problems are complex enough to require computational solutions Cover topics in mechanics, electromagnetism, thermodynamics, and quantum mechanics Base challenges on real research questions or practical physics applications Validate solutions in Python, using established physics simulation libraries Document problem statements clearly and provide verified answers Requirements Degree in Physics (Theoretical, Experimental, or Computational) or a related discipline Proficiency in Python for numerical validation; experience with MATLAB, R, C, SQL, Numpy, Pandas, SciPy, or similar libraries is a plus Minimum 2 years of professional experience (applied, research, or teaching) Familiarity with numerical simulation methods Ability to design problems that reflect authentic physics research Creative problem-solving skills across different physics domains Understanding of physics modeling and approximation techniques Excellent written English (C1+ level) Project process Submit an application Complete qualification steps Join a project Work on assigned tasks Receive payment Time commitment Expect to work approximately 10–20 hours per week during active project phases. Actual hours may vary depending on project needs, and no specific workload is guaranteed. Compensation Contributors may earn up to $45 per hour, depending on expertise and pace. Rates vary by project based on scope, complexity, and required qualifications. Other projects on the platform may offer different compensation levels. Location This remote role is open to candidates based in Stuttgart, Baden-Württemberg, Germany.

Please submit your CV in English and indicate your English proficiency level. Mindrift connects specialists with project-based freelance roles focused on advancing AI systems for major tech companies. Projects involve testing, evaluating, and improving AI capabilities. This is a freelance, project-based position, not a permanent job. Role overview This freelance Physics Specialist position centers on designing and validating computational physics problems for AI projects. Assignments often involve: Creating physics problems that mirror real research workflows Developing challenges that require Python programming to solve, often using libraries like Numpy, SciPy, or Sympy Ensuring problems are computationally intensive and not easily solved by hand Covering areas such as mechanics, electromagnetism, thermodynamics, and quantum mechanics Basing tasks on real research issues or practical physics applications Validating solutions using Python and standard simulation libraries Documenting problem statements clearly and providing verified solutions Requirements Degree in Physics (theoretical, experimental, or computational) or a related discipline Strong Python skills for numerical validation; experience with MATLAB, R, C, SQL, Numpy, Pandas, SciPy, or relevant libraries is a plus At least 2 years of professional experience, such as research or teaching Background in numerical simulation methods Ability to design problems reflecting real research workflows in physics Creative problem-solving across multiple physics domains Familiarity with modeling and approximation techniques Written English at C1 level or higher How projects work Apply Complete qualification steps Join a project Work on assigned tasks Receive compensation Time commitment During active project periods, tasks typically require 10–20 hours per week. Workload may fluctuate based on project needs, and there is no guaranteed minimum number of hours. Compensation Contributors may earn up to $45 per hour, depending on expertise and project complexity. Actual rates and earning potential can vary between assignments.

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 highlight your proficiency in the language. Mindrift connects specialists with project-based AI work for leading technology companies. Projects center on testing, evaluating, and improving AI systems. All work is freelance and organized on a per-project basis, not as permanent employment. Role overview This freelance position focuses on developing and evaluating challenging computational physics problems for AI training. Assignments vary and may include: Designing advanced problems that reflect real research workflows in physics Creating tasks that require Python programming, using libraries such as Numpy, SciPy, and SymPy Ensuring problems are computationally intensive and cannot be solved manually within days or weeks Developing scenarios involving complex reasoning in mechanics, electromagnetism, thermodynamics, and quantum mechanics Drawing on actual research challenges or practical applications in physics Verifying solutions using Python and standard simulation libraries Clearly documenting problem statements and providing verified solutions Requirements Degree in Physics (theoretical, experimental, or computational) or a related field Strong Python skills for numerical validation; experience with MATLAB, R, C, SQL, Numpy, Pandas, SciPy, or similar libraries is also valued At least 2 years of professional experience in applied research, teaching, or related areas Background in numerical simulation methods Ability to design problems that mirror authentic research workflows in physics Creative problem-solving across multiple physics domains Familiarity with modeling and approximation techniques in physics Strong written English skills at C1 level or higher Project workflow Apply Pass qualifications Join a project Complete assigned tasks Receive compensation Time commitment Projects typically require 10–20 hours per week during active phases. Actual workload may vary depending on project needs. Compensation Contributors can earn up to $45 per hour, depending on expertise and speed. Rates vary by project scope, complexity, and required skills. Other projects on the platform may offer different compensation levels. Location This is a remote freelance role based in Stuttgart, Baden-Württemberg, Germany.

Please submit your CV in English and specify your English language proficiency. Mindrift offers project-based roles for professionals interested in supporting AI development at major technology companies. These freelance opportunities focus on testing, evaluating, and improving AI systems. Participation is temporary and does not constitute full-time employment. Role overview This freelance position centers on creating and validating computational chemistry problems that reflect real-world research tasks. Contributors design challenges that require Python programming, often using libraries such as NumPy, SciPy, or specialized chemistry packages. Problems should be computationally intensive, requiring more than manual calculation, and may involve areas like physical chemistry, quantum chemistry, or molecular modeling. Tasks also include documenting problem statements and providing accurate, verified solutions using established computational chemistry methods. Requirements Degree in Chemistry or a closely related discipline Proficiency in Python for numerical validation; familiarity with MATLAB, R, C, SQL, NumPy, Pandas, SciPy, or similar tools is also welcome At least 2 years of professional experience in applied, research, or teaching roles Experience applying numerical methods in chemistry Understanding of computational chemistry concepts and practices Strong English writing skills at C1 level or higher Project workload Active project phases typically require around 10–20 hours per week. Actual workload may vary depending on the specific project and its requirements. This estimate applies only during active project periods and is not a guaranteed minimum or maximum. Compensation Earnings can reach up to $45 per hour, depending on expertise and pace. Compensation varies by project scope, complexity, and required qualifications. Other projects on the Mindrift platform may offer different rates based on their needs. Application process Submit your application Complete qualification steps Join a project Carry out assigned tasks Receive compensation

Please submit your CV in English and indicate your English proficiency level. Mindrift connects experienced specialists with project-based AI work for technology companies. Assignments focus on testing, evaluating, and improving AI systems. This freelance, project-based position does not offer permanent employment. Role overview As a Freelance AI Evaluation Engineer, the primary focus is building a dataset to assess AI coding agents using real-world developer tasks. The work involves designing detailed tasks and evaluation methods in realistic simulated environments. Main responsibilities Create virtual companies from high-level plans, including codebases, infrastructure, and realistic context such as conversations, documentation, and tickets that reflect authentic development history. Develop and refine tasks for different stages of the virtual company. This includes writing prompts, setting evaluation criteria, and ensuring tasks are solvable and assessments are fair. Design assignments for isolated environments that mimic a developer's workstation, using a Linux machine with development tools (terminal, CLI), MCP servers (repository, task tracker, messenger, documentation), and a real web application codebase. Build tests that accept all valid solutions and reject incorrect ones, aiming for balanced strictness. Work with an AI agent to confirm that tests detect real issues, do not overlook errors, and validate correct solutions. Review code generated by agents, analyze why solutions succeed or fail, and invent edge cases and adversarial scenarios. Incorporate feedback from expert QA reviewers to improve your work and meet quality standards. Scope clarifications This position does not include data labeling. This position does not cover prompt engineering. Writing code from scratch is not required. The AI agent handles most coding; your focus is on guidance and evaluation. Much of the work involves collaborating directly with AI systems, as designing challenges for advanced models requires hands-on interaction with those models.

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 Junior Journalist to contribute to AI training projects. This position is remote, based in Stuttgart, Baden-Württemberg, Germany. The main focus is on creating and refining training data that supports the development of artificial intelligence systems. Key responsibilities Research topics in AI and technology to inform project work Write and edit content used in training data sets Curate materials that help AI systems better understand and interact with users Work collaboratively with a distributed team committed to improving AI capabilities Work environment This freelance, remote role involves working alongside colleagues from diverse backgrounds. The team shares a commitment to making AI more effective and accessible.

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.