1383 English-speaking jobs in Berlin
AI Safety Red Teamer Expert
- Mercor
- Berlin
- November 7
- remote work
Design adversarial prompts to stress-test frontier AI models, identifying jailbreaks, unsafe behaviors, and policy failures. Evaluate model robustness across sensitive domains and document vulnerabilities for safety reports. Requires 5+ years in AI Safety or related fields.
Search Systems Engineer - Expert
- Mercor
- Berlin
- November 7
- remote work
Develop and optimize agentic search systems for production. Own relevance and retrieval processes, quantify system impact, and build data infrastructure. Requires experience with production search and agentic search.
Platform Engineer - Document Specialist
- Mercor
- Berlin
- November 7
- remote work
Platform Engineer - Document Specialist role requires reviewing and assessing domain-specific documents for quality and accuracy. Candidates need 2+ years of experience, strong document analysis skills, and proficiency in Excel, PowerPoint, and Word.
CS PhD - AI Benchmark Specialist
- Mercor
- Berlin
- November 7
- remote work
- part-time
CS PhD - AI Benchmark Specialist role requires authoring original, precise computer science questions and providing detailed solutions. Candidates need a PhD or doctoral candidacy in CS or related fields with strong theoretical knowledge.
Analytics Leader
- Mercor
- Berlin
- November 7
- remote work
Analytics Leader role constructing enterprise data science scenarios for large-scale predictive modeling and analytics governance at Fortune 500 accounts. Requires 5+ years as a data scientist or ML engineer with F500 data product ownership.
Product Design Expert - Vibecoding
- Mercor
- Berlin
- November 7
- remote work
Product Design Expert role involving rapid prototyping, design system development, and cross-functional collaboration. Responsibilities include building tasks for AI-assisted development and UX/UI design. Requires 5+ years as a product designer or AI-native engineer.
ML Infrastructure Expert
- Mercor
- Berlin
- November 7
- remote work
MLOps Engineer, LLM Performance, requires 2+ years in ML systems or accelerator performance engineering. Focus on kernels, profiling, and serving large language models at scale using JAX/PyTorch.
Data Engineer
- Mercor
- Berlin
- November 7
- remote work
Data Engineer role requires 2+ years of experience building ETL pipelines, data warehouses, or distributed systems. Use AI coding agents to complete and evaluate complex data engineering tasks, identifying bugs and scalability issues in model outputs.
Compliance Officer
- Mercor
- Berlin
- November 7
- remote work
- part-time
Compliance Officer role supporting AI research labs. Responsibilities include creating deliverables, diagnosing issues to advance machine learning infrastructure, and contributing expertise to AI research. Requires 4+ years of professional experience.
Chess Expert - Game Analyst
- Mercor
- Berlin
- November 7
- remote work
Chess Expert needed for game reconstruction and transcript correction. Must have 1800+ ELO, be fluent in algebraic notation, and use an analysis board. Responsibilities include evaluating and correcting speech-to-text errors in chess commentary.
DevOps Engineer - AI Model Evaluator
- Mercor
- Berlin
- November 7
- remote work
DevOps Engineer - AI Model Evaluator uses frontier AI coding agents to complete and evaluate complex infrastructure tasks. Responsibilities include reviewing model-generated implementations across cloud platforms, Kubernetes, and CI/CD systems. Requires 2+ years of DevOps/SRE experience and familiarity with AI coding agents.
Data Science Expert - Evaluation Specialist
- Mercor
- Berlin
- November 7
- remote work
Data Science Expert to design grading criteria and score AI/human work samples. Requires 5+ years of industry experience in business, product, or growth data science, with fluency in A/B testing, SQL/Python, and strong written communication.
Statistical Physics PhD - Researcher
- Mercor
- Berlin
- November 7
- remote work
- part-time
Statistical Physics PhD Researcher to evaluate physics problems to enhance AI model reasoning. Requires PhD in statistical or mathematical physics, verifiable publication record, and proficiency in Python, LaTeX, and SymPy.
MLOps Engineer - AI Systems
- Mercor
- Berlin
- November 7
- remote work
MLOps Engineer focused on LLM Performance, covering kernels, profiling, and serving. Requires 2+ years in ML systems, custom kernels (Triton, CUDA), and serving large language models at scale.
STEM Researcher
- Mercor
- Berlin
- November 7
- remote work
- part-time
STEM Researcher role requires MSc/PhD in a STEM field. Responsibilities include literature review, data analysis, modeling, and creating training data for AI models using tools like Python, MATLAB, and R. Must own a MacBook.
Control Systems Expert
- Mercor
- Berlin
- November 7
- remote work
Engineering Simulation Specialist role developing simulations and specification sheets for AI models. Requires deep expertise in control systems, analog/RF circuits, power electronics, or mechanical design, and proficiency in Python.
Mathematics Expert
- Mercor
- Berlin
- November 7
- remote work
- part-time
Applied Mathematics Benchmark Specialist role requires a PhD or doctoral candidate to author complex math questions, provide detailed solutions, and verify problem clarity for AI research labs.
Full-Stack Engineer - AI Systems
- Mercor
- Berlin
- November 7
- remote work
Full-Stack Engineer for AI Systems. Requires 3+ years of experience, fluency in modern frontend/backend frameworks, and production experience with auth, payments, and file uploads. Duties include writing specs, building reference implementations, and calibrating task difficulty.
STEM Researcher - AI Lab Support
- Mercor
- Berlin
- November 7
- remote work
- part-time
STEM Researcher for AI Lab Support. Complete research tasks like literature review, data analysis, and modeling using Python/Jupyter, MATLAB, or R. Requires MSc/PhD in a STEM field and must own a MacBook.
Clinical Evaluator - Domain Expert
- Mercor
- Berlin
- November 7
- remote work
Clinical Evaluator role requires 5+ years in Clinical/biomedical/pharma to evaluate AI-generated artifacts. Responsibilities include identifying errors and providing structured feedback using domain expertise. Must be fluent in English and proficient in Microsoft Office/Google Workspace.
























































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