410 English-speaking jobs in Berlin
Electrical Design Specialist - Expert
- Mercor
- Berlin
- October 18
- remote work
Electrical Design Specialist to develop, analyze, and evaluate electrical designs, circuits, and components. Responsibilities include interpreting schematics and performing electrical calculations. Requires experience in electrical system design and low/medium-voltage systems.
Mechanical Engineering Expert
- Mercor
- Berlin
- October 18
- remote work
Mechanical Engineering Expert role constructing enterprise scenarios for complex product design cycles at Fortune 500 accounts. Requires 5+ years in industrial, automotive, aerospace, or manufacturing engineering.
Mechanical Design Specialist
- Mercor
- Berlin
- October 18
- remote work
Mechanical Design Specialist role evaluating Inventor Professional on Windows for mechanical and product design. Responsibilities include capturing high-resolution screenshots and developing feedback to improve 3D design and assembly modeling.
Propulsion Chemist
- Mercor
- Berlin
- October 18
- remote work
Specialty Materials Chemist role focusing on Pyrotechnics or Propulsion. Responsibilities include writing and classifying prompts related to energetic materials, evaluating model responses, and creating reference answers. Requires experience in specialty energetic materials formulation and synthesis.
Toxicological Chemist
- Mercor
- Berlin
- October 18
- remote work
Forensic/Toxicological Chemist role involving writing prompts and evaluating AI model responses. Requires experience in controlled substance casework, forensic toxicology, and precursor identification.
LLM Agent Engineer - Production
- Mercor
- Berlin
- October 18
- remote work
Build and operate LLM agents in production environments. Responsibilities include evaluating performance, managing long-running agents, and analyzing internal assistant adoption. Requires experience shipping user-facing agents.
Mechanical Engineering PhD - Problem Author
- Mercor
- Berlin
- October 18
- remote work
Mechanical Engineering PhD required to author original, expert-level free-response engineering problems based on industry scenarios. Responsibilities include writing solutions and validating difficulty against language models. Requires 8+ years of relevant professional experience.
Materials Engineering Expert
- Mercor
- Berlin
- October 18
- remote work
Materials Engineering Expert role requires a PhD in Materials Science/Engineering and 5+ years of experience. Responsibilities include authoring original, expert-level free-response engineering problems in Materials Science and validating them against AI models.
Drug Development Specialist
- Mercor
- Berlin
- October 18
- remote work
Preclinical R&D Expert role requires 5+ years of hands-on experience in drug development, such as discovery biology or medicinal chemistry. Responsibilities include reviewing R&D data, annotating scientific data, and advising on development decisions.
Electrical Engineer
- Mercor
- Berlin
- October 18
- remote work
Electrical Engineering Expert role constructing enterprise electrical engineering scenarios for complex circuit and systems design at Fortune 500 accounts. Requires 5+ years as an electrical engineer or lead at a Fortune 500 company.
Forensic Chemist - Casework Specialist
- Mercor
- Berlin
- October 18
- remote work
Forensic/Toxicological Chemist role requires experience in controlled substance casework, clandestine lab response, and forensic toxicology. Responsibilities include writing prompts, evaluating model responses, and collaborating to improve AI performance.
Mathematics PhD - Benchmark Specialist
- Mercor
- Berlin
- October 18
- remote work
- part-time
Applied Mathematics Benchmark Specialist role requires a PhD or doctoral candidate in Mathematics or related fields. Responsibilities include authoring math questions in Signal Processing and Financial Mathematics, providing solutions, and verifying question quality.
Aerospace Engineer
- Mercor
- Berlin
- October 18
- remote work
Aerospace Engineer role requires a PhD in Mechanical, Aerospace, or Industrial Design and 5+ years of production design experience. Responsibilities include authoring and solving expert-level engineering problems for AI training data.
Engineering Simulation Specialist
- Mercor
- Berlin
- October 18
- remote work
Engineering Simulation Specialist requires a PhD or equivalent with expertise in control systems, analog/RF circuits, power electronics, or mechanical design. Responsibilities include developing AI model simulations and evaluating designs using Python.
Mechanical Engineer
- Mercor
- Berlin
- October 18
- remote work
Mechanical Engineering Expert role constructing enterprise scenarios for complex product design cycles at Fortune 500 accounts. Requires 5+ years in industrial, automotive, aerospace, or manufacturing.
Effects Engineering Specialist
- Mercor
- Berlin
- October 18
- remote work
Propulsion & Effects Engineer role requires experience in munitions or warhead design and effects engineering. Responsibilities include writing prompts, classifying them, evaluating AI responses, and providing technical reasoning.
Embedded Systems Engineer - FPGA Expert
- Mercor
- Berlin
- October 18
- remote work
Embedded Systems Engineer role requiring 5+ years in software, firmware, or FPGA engineering. Responsibilities include reviewing FPGA/RTL designs and analyzing hardware/software integration for real physical systems. Strong C/C++, Python, and RTOS skills are required.
RF Circuit Design Expert
- Mercor
- Berlin
- October 18
- remote work
- part-time
RF Circuit Design Expert role requires graduate-level STEM training and proficiency in scikit-rf or ngspice. Responsibilities include designing computational problems to evaluate AI capabilities and collaborating with research teams. Strong Python skills and Linux environment experience are necessary.
Energetic Materials Expert - Redteaming
- Mercor
- Berlin
- October 18
- remote work
Energetic Materials Expert for Redteaming. Responsibilities include writing challenging prompts on explosives, labeling responses, evaluating model accuracy, and identifying misuse potential. Requires expertise in hazardous device assessment or specialty materials chemistry.
Radiological Security Specialist - Expert
- Mercor
- Berlin
- October 18
- remote work
Radiological Security Specialist role requires experience in security/vulnerability assessment of licensed facilities with Category 1 and 2 sources. Responsibilities include writing prompts, evaluating AI responses against policy, and collaborating on query classification.










































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