1256 English-speaking jobs in Berlin
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.
Mobile App Developer
- Mercor
- Berlin
- November 7
- remote work
Develop and maintain high-quality Android applications using Kotlin and Java. Evaluate Android Studio applications on macOS for functionality and performance. Requires proficiency with Android Studio on macOS and the ability to capture high-resolution screenshots.
Quantum Information Scientist
- Mercor
- Berlin
- November 7
- remote work
- part-time
Quantum Information Scientist (PhD) role involves evaluating AI-generated physics content, reviewing complex problems, and developing evaluation rubrics. Requires a PhD in quantum information or related field, published work, and proficiency in LaTeX, Python, SymPy, and Jupyter.
ML Research Scientist
- Mercor
- Berlin
- November 7
- remote work
ML Research Scientist role requires a PhD in ML/CS/AI and publication at ICML, NeurIPS, or ICLR. Responsibilities include evaluating AI content, reviewing research, and developing evaluation rubrics to improve model performance.
QA Engineer - Browser Test Specialist
- Mercor
- Berlin
- November 7
- remote work
QA Engineer specializing in browser test validation for AI-generated web applications. Responsibilities include reviewing testing workflows, assessing technical feasibility, and validating test isolation. Requires 3+ years in QA/SDET with experience in browser automation frameworks.
Formal Mathematician
- Mercor
- Berlin
- November 7
- remote work
- part-time
Formal Mathematician role requires writing idiomatic Lean 4 proofs in mathlib across algebra, analysis, and logic. Responsibilities include formalizing math and reviewing AI-generated proofs. Must have hands-on Lean 4 experience.
Structural Engineering Specialist
- Mercor
- Berlin
- November 7
- remote work
- part-time
Computational Structural & Mechanical Engineering Expert to design challenging problems for AI research. Requires graduate STEM training, Python proficiency, and experience with scientific software like FEniCSx/OpenFOAM.
Apple Platform Specialist
- Mercor
- Berlin
- November 7
- remote work
Evaluate and utilize macOS Sonoma 14.5 as your primary desktop OS. Capture high-resolution screenshots (>2.5MP) using a single or dual monitor setup. Collaborate with power users to enhance application usage and improve AI model performance.
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.
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.
Computational Mathematician
- Mercor
- Berlin
- November 7
- remote work
- part-time
Computational Mathematician role requires a PhD in a related field and depth in two subdomains like numerical linear algebra. Responsibilities include writing scientific prompts and calibrating tasks to improve AI model performance using Python or R.
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.
Statistical Bioinformatics PhD
- Mercor
- Berlin
- November 7
- remote work
Statistical Bioinformatics PhD role requires expertise in computational genomics and quantitative biology. Responsibilities include data analysis in R and Python, quality control, and executing multi-step research workflows. A PhD in a related field is 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.
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.
Senior Software Engineer - Open Source
- 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. Requires senior experience and active open-source contributions.
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.
ML Research Engineer - PyTorch Expert
- Mercor
- Berlin
- November 7
- remote work
ML Research Engineer role developing challenging tasks for long-horizon AI research projects. Focus on inference, evaluation, and systems using PyTorch or JAX. Requires deep knowledge in LLMs, GPU inference, RL, or Scientific ML.
Backend Engineer
- Mercor
- Berlin
- November 7
- remote work
Backend Engineer role utilizing PyCharm on macOS for specialized application tasks. Responsibilities include Python development, debugging, and refactoring. Must have PyCharm on a Mac and experience with Python tools.
Computational Genomics PhD - Bioinformatics
- Mercor
- Berlin
- November 7
- remote work
Computational Genomics PhD role requires expertise in R and Python to perform multi-step data analysis in genomics and quantitative biology. Candidates must have a PhD and strong skills in statistical modeling and experimental design.

















































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