1130 English-speaking jobs in Berlin
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.
Data Engineer - AI Model Evaluator
- Mercor
- Berlin
- November 7
- remote work
Data Engineer role using frontier AI coding agents to complete and evaluate complex data engineering tasks. Responsibilities include reviewing ETL pipelines, data warehouses, and distributed systems for bugs and scalability. Requires 2+ years of data engineering experience.
STEM Specialist - Quantitative Analyst
- Mercor
- Berlin
- November 7
- remote work
STEM Specialist role analyzing complex problems in physics, chemistry, mathematics, or biology to enhance AI model training. Requires a STEM degree and 1+ year of relevant experience.
Pharmaceutical R&D Expert
- Mercor
- Berlin
- November 7
- remote work
- part-time
Preclinical R&D Expert needed for in-house drug development. Review data, classify scientific outputs, and advise on development decisions. Requires 5+ years of hands-on R&D experience with drug modalities.
STEM Specialist - Quantitative Analysis
- Mercor
- Berlin
- November 7
- remote work
STEM Specialist needed to evaluate complex problems in physics, chemistry, mathematics, or biology. This role involves applying structured reasoning to quantitative methods and data analysis while collaborating on interdisciplinary problems. A STEM degree and 1+ year of relevant experience are required.
Software Engineer
- Mercor
- Berlin
- November 7
- remote work
Senior Software Engineer role applying open-source experience to real software engineering work. Responsibilities include contributing to AI model training, evaluation, and improvement while collaborating with research teams. Requires senior experience and active open-source contributions.
Data Engineer - AI Model Evaluation
- Mercor
- Berlin
- November 7
- remote work
Data Engineer role using AI coding agents to complete and evaluate complex data engineering tasks. Responsibilities include reviewing ETL pipelines, data warehouses, and distributed systems for bugs and scalability. Requires 2+ years of data engineering experience.
Spreadsheet Analyst
- Mercor
- Berlin
- November 7
- remote work
Spreadsheet Analyst role requires reviewing domain-specific documents for quality and accuracy. Responsibilities include data analysis using MS Excel and Google Slides. Candidates need a Bachelor's degree and 3+ years of relevant experience.
Clinical Survey Methodology Expert
- Mercor
- Berlin
- November 7
- remote work
Clinical Survey Research & Methodology Expert (Physician/PhD) role. Design and refine physician-facing surveys across diseases. Requires advanced clinical/scientific degree and healthcare market research experience.
Nuclear Safeguards Expert - Red Team
- Mercor
- Berlin
- November 7
- remote work
Nuclear Safeguards Expert for Red Team. Responsibilities include writing prompts in the nuclear domain, evaluating AI responses against policy, and developing misuse scenarios. Requires experience in safeguards, nonproliferation, and fuel-cycle/material control.
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.
Database Systems PhD - Expert
- Mercor
- Berlin
- November 7
- remote work
Database Systems Evaluation Expert role requires a PhD or five years of database-engine internals experience. Responsibilities include designing engineering tasks, building correctness checks, and evaluating performance measures.
Econometrics Specialist
- Mercor
- Berlin
- November 7
- remote work
Econometrics Specialist role requiring Stata SE on Windows and data analysis experience. Responsibilities include evaluating statistical analysis, improving data methodologies, and collaborating with biostatisticians to enhance AI model performance.
Computer Science Expert
- Mercor
- Berlin
- November 7
- remote work
- part-time
Applied Computer Science Benchmark Specialist role requires a PhD or doctoral candidate in CS or related fields. Responsibilities include authoring complex CS questions, providing solutions, and verifying existing content.
Backend Software Engineer - Python
- Mercor
- Berlin
- November 7
- remote work
Backend Software Engineer role building MCP servers in Python using FastMCP. Responsibilities include API integration, Docker, Linux environments, and app state management. Requires strong Python skills and experience with backend systems.
Manufacturing Specialist
- Mercor
- Berlin
- November 7
- remote work
Evaluate AI-generated artifacts against domain-specific quality rubrics. This role requires 5+ years of experience in Engineering, manufacturing, or technical operations. Provide structured written feedback to improve AI model performance.
AI Researcher
- Mercor
- Berlin
- November 7
- remote work
AI Researcher role requires a PhD in ML/CS/AI with publications at ICML, NeurIPS, or ICLR. Responsibilities include evaluating AI content, reviewing ML research, and developing evaluation rubrics to improve model performance.
Core Contributor
- Mercor
- Berlin
- November 7
- remote work
Core Contributor/Open Source Maintainer role guiding AI model performance via code review and open-source maintenance. Requires senior judgment, hands-on project building (including Docker), and a verified history as a core contributor to a widely used open-source project.
Bioinformatics Expert - Single-Cell Genomics
- Mercor
- Berlin
- November 7
- remote work
- part-time
Bioinformatics Expert needed for Single-Cell Genomics. Design computational problems for AI systems using software like scanpy and scvelo. Requires graduate STEM training, strong Python skills, and comfort in Linux environments.
Business Unit Lead, Public Safety IT Solutions (m/f/d/x)
- T-Systems
- Berlin
- November 7
Lead the Business Unit for Public Safety IT Solutions, driving strategy and P&L. Requires expertise in IT solution sales, public sector knowledge, and German procurement law.




























































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