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Freelance Automotive Engineer (with Python) - Quality Assurance / AI Trainer
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Freelance Mechanical Engineer with Python Experience (m/w/d)
For an AI lab we are looking for Mechanical Engineer with python experience to train an AI model (Large Language Model - LLM).
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Freelance Chemistry Expert for AI Model Training (m/f/d)
An AI lab is looking for a freelance chemistry experts to evaluate AI models. The goal of the project is to assess the performance, accuracy, and reliability of AI models applied in chemistry contexts. The role involves working closely with the development team to ensure the models meet industry standards and provide actionable insights.
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Key responsibilities:
- Evaluate AI models for chemistry applications.
- Analyze model outputs and provide feedback for improvement.
- Collaborate with the development team to ensure alignment with industry standards.
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AI Consultant - Machine Learning (m/w/d)
For an AI lab we are looking for Machine learning experts to train an AI model (Large Language Model - LLM). GenAI models are improving very quickly, and one of our goals is to make them capable of addressing specialized questions and achieving complex reasoning skills. If you join you’ll have the opportunity to collaborate on these projects. Although every project is unique, you might typically:
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- Document problem statements clearly and provide verified correct answers
Freelance Biology Expert for AI Model Training (m/f/d)
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Freelance Physics Expert (with Python) - Quality Assurance / AI Trainer
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AI Consultant for Vibe Coding (m/w/d)
An AI Lab is looking for a AI Trainer for Vibe Coding. This role involves producing accurate, well-reasoned outputs across diverse domains, leveraging automation and AI tools. The position requires expertise in coding and optimizing Python scripts, handling large datasets, improving AI-generated content, and formatting and troubleshooting technical workflows.
This is a remote part-time role that can be flexibly tailored to your availability – from just a few hours per week to full-time.
Key responsibilities:
- Conduct advanced web research and data mining using multiple tools to locate and extract information from official sources. Use LLMs and advanced prompts to refine search strategies and validate data accuracy by cross-referencing authoritative sources.
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- Carry out data processing and quality assurance by cleaning, validating, and structuring datasets. - - Ensure data integrity across multiple sources, apply formatting specifications, and run verification steps to maintain high output quality.
- Apply strong problem-solving and task execution skills to break down complex workflows, troubleshoot technical issues independently, and adapt quickly between different domains and task types with minimal supervision.
- Produce clear documentation and high-quality outputs that follow exact requirements for file formats, naming conventions, and data structure. Maintain reproducible workflows and well-organized code.
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- Consultants, auditors, analysts, data researchers, or business/technical analysts with strong reasoning skills
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- Lead evaluation of AI outputs and related processes
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Freelance AI Trainer - Writers (English) (m/w/d)
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This is a remote part-time role that can be flexibly tailored to your availability – from just a few hours per week to full-time.
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- Craft and edit high-quality texts tailored to specific requirements.
- Evaluate and analyze AI-generated replies for accuracy, relevance, and quality.
- Collaborate with teams to improve AI language models and content generation processes.
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AI Agent Evaluation Analyst
For an AI lab we are looking for AI Agent Evaluation Analyst to train an AI model (Large Language Model - LLM).
You help AI to make sense of the world. As consultant, you may be invited to take part in online projects to train the model in your domain of expertise.
This flexible role accommodates both experts seeking part-time engagement (minimum few hours/week) and those interested in full-time opportunities
- Reviewing evaluation tasks and scenarios for logic, completeness, and realism.
- Identifying inconsistencies, missing assumptions, or unclear decision points.
- Helping define clear expected behaviors (gold standards) for AI agents.
- Annotating cause-effect relationships, reasoning paths, and plausible alternatives.
- Thinking through complex systems and policies as a human would to ensure agents are tested properly.
- Working closely with QA, writers, or developers to suggest refinements or edge case coverage.
Mathematician with Python Experience (m/w/d)
For an AI lab we are looking for mathematicians with python experience to train an AI model (Large Language Model - LLM).
As consultant, you may be invited to take part in online projects to train the model in your domain of expertise.
This flexible role accommodates both experts seeking part-time engagement (minimum few hours/week) and those interested in full-time opportunities.
Although every project is unique, you might typically:
- Design original computational mathematics problems that simulate real mathematical research workflows.
- Create problems requiring Python programming to solve (using numpy, scipy, sympy).
- Ensure problems are computationally intensive and cannot be solved manually within reasonable timeframes (days/weeks).
- Develop problems requiring non-trivial reasoning chains in areas like number theory, combinatorics, graph theory, and numerical analysis.
- Base problems on real research challenges or practical applications from mathematical practice.
- Verify solutions using Python with standard mathematical libraries.
- Document problem statements clearly and provide verified correct answers.
Support in:
- Number Theory: Prime factorization, Diophantine equations, modular arithmetic, cryptographic computations.
- Combinatorics: Enumerations, partitions, generating functions, combinatorial optimization.
- Graph Theory: Network analysis, path finding, graph coloring, spanning trees.
- Numerical Analysis: Root finding, numerical integration, differential equations, matrix computations.
- Discrete Mathematics: Recurrence relations, algorithmic complexity, discrete optimization.
- Algebra: Polynomial computations, group theory calculations, matrix decompositions.
Physicist with Python Experience (m/w/d)
For an AI lab we are looking for phycists with python experience to train an AI model (Large Language Model - LLM).
GenAI models are improving very quickly, and one of our goals is to make them capable of addressing specialized questions and achieving complex reasoning skills. If you join the platform as a phycist, you’ll have the opportunity to collaborate on these projects.
Although every project is unique, you might typically:
- Design original computational physic problems that simulate real research workflows.
- Create problems requiring Python programming to solve (using numpy, scipy, sympy).
- Ensure problems are computationally intensive and cannot be solved manually within reasonable timeframes (days/weeks).
- Develop problems requiring non-trivial reasoning chains.
- Base problems on real research challenges or practical applications from physical practice.
- Verify solutions using Python with standard libraries.
- Document problem statements clearly and provide verified correct answers.
Freelance Statistics Expert with Python Experience (m/f/d)
For an AI lab we are looking for Statistics Expert with python experience to train an AI model (Large Language Model - LLM).
GenAI models are improving very quickly, and one of our goals is to make them capable of addressing specialized questions and achieving complex reasoning skills.
If you join you’ll have the opportunity to collaborate on these projects. Although every project is unique, you might typically:
- Generate prompts that challenge AI.
- Define comprehensive scoring criteria to evaluate the accuracy of the AI’s answers.
- Correct the model’s responses based on your domain-specific knowledge.
Freelance Cybersecurity Consultant for AI Red Teaming
For an AI lab we are looking for cybersecurity consultants to train an AI model (Large Language Model - LLM).
You help AI to make sense of the world. As consultant, you may be invited to take part in online projects to train the model in your domain of expertise.
This flexible role accommodates both experts seeking part-time engagement (minimum few hours/week) and those interested in full-time opportunities
- Evaluate and red team AI models and agents and machine learning systems for vulnerabilities and safety risks.
- Create offline reproducible & auto-evaluable test cases to test safety & capability of AI agents.
- Develop and implement automation scripts, custom tools, environments and test harnesses.
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AI Consultants - Data Science (m/w/d)
We are seeking experienced data scientists to create computationally intensive data science problems for an advanced AI evaluation project. This is a remote, project-based opportunity for experts who can design challenging problems that require computational methods to solve and mirror the full data science lifecycle - from data acquisition and processing to statistical analysis and actionable business insights.
What You'll Do
- Design original computational data science problems that simulate real-world analytical workflows across industries (telecom, finance, government, e-commerce, healthcare) Create problems requiring Python programming to solve (using pandas, numpy, scipy, sklearn, statsmodels, matplotlib, seaborn)
- Ensure problems are computationally intensive and cannot be solved manually within reasonable timeframes (days/weeks)
- Develop problems requiring non-trivial reasoning chains in data processing, statistical analysis, feature engineering, predictive modeling, and insight extraction
- Create deterministic problems with reproducible answers - avoid stochastic elements or require fixed random seeds for exact reproducibility
- Base problems on real business challenges: customer analytics, risk assessment, fraud detection, forecasting, optimization, and operational efficiency
- Design end-to-end problems spanning the complete data science pipeline (data ingestion → cleaning → EDA → modeling → validation → deployment considerations)
- Incorporate big data processing scenarios requiring scalable computational approaches
- Verify solutions using Python with standard data science libraries and statistical methods
- Document problem statements clearly with realistic business contexts and provide verified correct answers
AI Agent Evaluation Analyst (m/f/d)
We are looking for a Freelance Agent Evaluation Analyst to take ownership of quality, structure, and insight across the project. This role goes far beyond task-checking - it’s about critical thinking, systems-level analysis, and ensuring clarity, reliability, and consistency at scale. You’ll work as both a hands-on evaluator and an analyst, collaborating with domain experts, delivery managers, and engineers. Beyond reviewing outputs, you’ll be expected to understand the “why” behind the work, identify logical gaps or inconsistencies, and propose meaningful improvements.
This is a flexible, impact-driven role where you’ll have space to grow, contribute ideas, and help shape how evaluation and quality are scaled across the project.
This role is especially well-suited for:
Analysts, researchers, or consultants with strong structuring and reasoning skills Junior product managers or strategists curious about AI and evaluation work Smart problem-solvers (students or early-career professionals) who enjoy digging into logic, systems, and edge cases
You do not need a coding background. What matters most is curiosity, intellectual rigor, and the ability to evaluate complex setups with precision.
What you’ll be doing
- Fully own the QA pipeline for agent evaluation tasks;
- Review and validate tasks and golden paths created by scenario writers and experts;
- Spot logical inconsistencies, vague requirements, hidden risks, and unrealistic assumptions;
- Provide structured feedback and ensure quality alignment across contributors; Train, onboard, and mentor new QA team members;
- Collaborate with domain experts, delivery managers, and engineers to improve test clarity and coverage;
- Maintain and improve QA checklists, SOPs, and review guidelines;
- Contribute to test planning, prioritization, and quality benchmarks;
- Take initiative to suggest new approaches, tools, and processes that help scale validation and analysis.
Fullstack Engineer (m/f/d)
- Product and web development in a data-driven environment
- Shaping the software architecture for new data products
- Collaborating in interdisciplinary teams (e.g., with data scientists and business developers)
Developer for Consent Management Implementation (m/f/d)
To replace the consent layers on the web for our international brands that were previously provided by third-party CMPs, we need to reimplement these layers so they can be operated and delivered in-house. This requires solid knowledge in Typescript, Vue.js and classic web technologies (HTML and CSS). The goal is to deliver executable code that implements all requirements and includes automated tests to verify correct functionality.
What exactly is the scope of the assignment: The main focus is on developing elements for decision-making on the approach and on implementing measures along the designed project course. This specifically includes the following work packages:
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- Creation of code documentation
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Project execution:
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Chemist with Python Experience (m/f/d)
GenAI models are improving very quickly, and one of our goals is to make them capable of addressing specialized questions and achieving complex reasoning skills. If you join the platform as an AI Tutor in Chemistry, you’ll have the opportunity to collaborate on these projects.
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- Generate prompts that challenge AI.
- Define comprehensive scoring criteria to evaluate the accuracy of the AI’s answers.
- Correct the model’s responses based on your domain-specific knowledge.
Senior Web Developer (m/f/d)
- You develop modern, high-performance web frontends using React, TypeScript, HTML, and CSS
- You implement responsive designs considering accessibility and performance
- You plan and execute unit and integration tests (for example with Playwright)
- Debugging in development, test, or live environments
Biologist with Python Experience (m/w/d)
GenAI models are improving very quickly, and one of our goals is to make them capable of addressing specialized questions and achieving complex reasoning skills. If you join the platform as an AI Tutor in Biology, you’ll have the opportunity to collaborate on these projects.
Although every project is unique, you might typically:
- Generate prompts that challenge AI.
- Define comprehensive scoring criteria to evaluate the accuracy of the AI’s answers.
- Correct the model’s responses based on your domain-specific knowledge.
Dentist for Training AI Models (m/w/d)
For an AI lab we are looking for German-speaking dentists to train an AI model (Large Language Model - LLM).
As a consultant, you may be invited to take part in online projects to train the model in your domain of expertise.
This flexible role accommodates both experts seeking part-time engagement (minimum few hours/week) and those interested in full-time opportunities.
Although every project is unique, you might typically:
- Collaborate with the AI lab to provide domain-specific knowledge in dentistry.
- Participate in online training sessions to enhance the AI model's understanding.
- Review and validate AI-generated content for accuracy and relevance.
- Offer insights and feedback to improve the model's performance.
- Engage in flexible project-based work, adapting to unique project requirements.
Project Manager Magazines / Magazine Production (m/f/d)
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- Active role in strategic projects, conferences, and in launching new formats
ERP-Transformation Manager (m/w/d)
An established company is looking for an experienced ERP Transformation Manager to take full responsibility for planning and steering a comprehensive ERP transformation program. The project's goal is harmonizing processes, implementing a new ERP system, and meeting IFRS requirements.
The ERP Transformation Manager will analyze, redesign, and standardize the commercial core processes in civil and rail construction. This includes translating IFRS requirements into system structures and posting logic, closely coordinating with Finance, Controlling, Project Management, and IT departments.
The role includes managing the ERP rollout, including fit-gap analysis, process design, test management, and migration. In addition, a unified reporting and KPI framework for group financial statements and project management will be established. The manager will act as the central interface between operational units, Finance, management, and the group, and will set up a sustainable change and training concept for users.
- Planning and steering the ERP transformation program (IFRS transition, process harmonization, ERP rollout)
- Analyzing, redesigning, and standardizing commercial core processes
- Translating IFRS requirements into system structures and posting logic
- Managing the ERP rollout, including fit-gap analysis, process design, test management, and migration
- Building a unified reporting and KPI framework
- Stakeholder management and ensuring smooth communication
- Leading interdisciplinary project teams and managing external consultants and implementation partners
- Establishing a sustainable change and training concept
- Ensuring measurable process improvements after the ERP system goes live
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The expert will take on the role of designing and presenting the workshop content to give participants a solid understanding of the ethical challenges and regulatory requirements in the field of AI.
- Designing and conducting an online workshop in German
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- Adapting the content to the needs of works council members
- Answering questions and discussing practical examples
Adobe Experience Cloud Consultant (m/f/d)
The Digital Analytics department uses Adobe Experience Cloud to deliver personalized user experiences. The goal is to increase conversion rates and improve customer experience through targeted personalization and testing. The technical implementation is handled independently by specialized consultants.
- A core part of the tasks includes maintaining the existing implementation within the Adobe Experience Platform. This particularly involves monitoring the data and troubleshooting source connectors.
- As part of preparing new features for use in the Adobe Experience Platform, requirements and data are first translated into Adobe’s Experience Data Model. This includes creating entity-relationship diagrams (ERDs) and contextualizing the relevant data.
- Based on that, the corresponding schemas are created within the platform and datasets are prepared for further use.
- Further activities include designing and setting up both new activation channels and additional data sources.
- In addition, new business-relevant use cases are developed across the various phases of the customer journey to specifically increase business value.
- Creating segments and performing error analyses using targeted SQL queries.
- Consulting on all newly introduced processing activities, covering compliance with applicable data protection regulations, the required internal approval processes, as well as documenting legal and technical specifics.
Electronics Technician (m/f/d)
- Independent troubleshooting and sustainable error resolution
- Performing tasks for preventive maintenance
- Servicing and maintaining machines and automated production systems with the latest technology
- Documenting completed work
- Continuously optimizing our systems and processes
- Openness to and appreciation for your suggestions and ideas
Frontend developer to HR platform with Angular experience
Reach out to us if you are interested in working with us on the project.
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Freelance Ruby Developer (m/f/d)
Industry
Information Technology (IT)
Areas
Information Technology (IT)
Quality Assurance (QA)
Research and Development (R&D)
Project info
- Period22.12.2025 - 14.03.2026
- Capacityfrom 5%
- Daily rate130 - 380€
- Language
- English(Advanced)
- English
- Remotefrom 95%
Description
For an AI lab we are looking for Ruby Developer to train an AI model (Large Language Model - LLM).
You help AI to make sense of the world. As consultant, you may be invited to take part in online projects to train the model in your domain of expertise.
This flexible role accommodates both experts seeking part-time engagement (minimum few hours/week) and those interested in full-time opportunities.
- Code generation and code review
- Prompt evaluation and complex data annotation
- Training and evaluation of large language models
- Benchmarking and agent-based code execution in sandboxed environments
- Working across multiple programming languages (Python, JavaScript/TypeScript, Rust, SQL, etc.)
- Adapting guidelines for new domains and use cases
- Collaborating with project leads, solution engineers, and supply managers on complex or experimental projects
Requirements
- You hold a Bachelor's Degree in Software Development, Computer Science, or other related fields.
- You have at least 3 years of professional experience with Ruby, including strong knowledge of object-oriented programming, metaprogramming, and idiomatic Ruby practices.
- Your level of English is advanced (C1) or above.
- Proficient with code review, quality analysis, and identifying/fixing code smells, anti-patterns, and test gaps in Ruby codebases.
- Experience with test integration in CI/CD environments (GitHub Actions, GitLab CI, Jenkins, or CircleCI).
- Comfortable with standard version control workflows (Git) and Linux CLI tools.
- Experience using, integrating, or tutoring others with AI/ML or LLM-powered testing/coding solutions in Ruby projects.
- Familiarity with containerization technologies (Docker), automated deployment, and scripting within Ruby environments.
- Strong skills in defect documentation, profiling, and debugging Ruby applications.
- Experience generating and maintaining high-quality documentation for tests, bugs, and technical debt.
- Hackathon or competitive coding experience is a plus.
- You are ready to learn new methods, able to switch between tasks and topics quickly and sometimes work with challenging, complex guidelines.
Application Process:
- If you are being selected you will by invited to an interview by Mindrift.
English
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