366 English-speaking jobs in Berlin
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.
Mechanical Engineer - Structural Specialist
- Mercor
- Berlin
- October 18
- remote work
Mechanical Engineer - Structural Specialist needed for complex physical systems. Requires 5+ years of experience, with 3+ in hardware development, analysis, or testing. Expertise in structural/stress analysis or thermal analysis is required.
Power Station Electrical Engineer
- Mercor
- Berlin
- October 18
- remote work
- part-time
Electrical Engineer role reviewing power station electrical systems, including circuit and control design, switchgear, and power distribution. Requires hands-on experience at a power station or substation.
Nuclear Materials Specialist
- Mercor
- Berlin
- October 18
- remote work
Nuclear Materials Specialist role involves writing prompts and evaluating AI responses against policy. Requires experience in nuclear forensics, radiochemical/mass-spectrometric analysis, and technical writing.
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.
CAD Design Engineer - AI Evaluation
- Mercor
- Berlin
- October 18
- remote work
- part-time
CAD Design Engineer - AI Evaluation designs realistic engineering problems using SolidWorks, AutoCAD, or FreeCAD. Responsibilities include running tasks against AI models, refining them, and documenting data rationale while collaborating with AI agents using Git.
FPGA Design Expert - Quartus II
- Mercor
- Berlin
- October 18
- remote work
FPGA Design Expert needed to evaluate and develop FPGA and digital hardware designs using Quartus II on Windows. This contract role requires experience in the field and the ability to capture high-resolution screenshots.
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.
Industrial Engineer - AI Systems
- Mercor
- Berlin
- October 18
- remote work
- part-time
Industrial Engineer role focused on developing tasks and solving real issues in AI and machine learning systems. Contribute expertise to cutting-edge AI research while collaborating with research teams. Requires 4+ years of professional experience.
Industrial Engineer
- Mercor
- Berlin
- October 18
- remote work
- part-time
Industrial Engineer role involving developing tasks and solving real issues in AI and machine learning systems. Requires 4+ years of professional experience and a commitment of 20–30+ hours weekly.
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.
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.
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.
Mechanical Drafter
- Mercor
- Berlin
- October 18
- remote work
Mechanical Drafter role evaluating AutoCAD Mechanical applications. Responsibilities include reviewing complex designs against engineering standards and developing assessment rubrics. Requires AutoCAD Mechanical on Windows and specific hardware setup.
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.
Propulsion Systems Engineer - Expert
- Mercor
- Berlin
- October 18
- remote work
Propulsion & Effects Engineer role requires expertise in munitions or warhead design, solid/liquid/hybrid propulsion, and terminal effects modeling. Responsibilities include writing and classifying prompts, evaluating AI responses, and improving model performance.
Psychometrics Expert
- Mercor
- Berlin
- October 18
- remote work
- part-time
Psychometrics Expert role requires authoring original, precise psychology questions, rating difficulty, and providing detailed Chain-of-Thought solutions with academic references. Must have a PhD, PsyD, or doctoral candidate status in Psychology.
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.
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.
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.

























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