442 English-speaking jobs in Berlin
Energetic Materials Chemist - Specialist
- Mercor
- Berlin
- October 18
- remote work
Specialty Materials Chemist role focusing on energetic materials and propulsion. Responsibilities include writing and classifying prompts, evaluating model responses, and creating reference answers. Requires experience in specialty energetic materials formulation, synthesis, and testing.
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.
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.
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.
Radiopharmacy Physicist
- Mercor
- Berlin
- October 18
- remote work
Radiopharmacy Physicist role involves writing prompts and evaluating AI model responses in the radiological safety domain. Requires experience in nuclear medicine, cyclotron operations, medical physics, and radiopharmaceutical production.
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.
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.
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.
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.
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 Hygienist - Safety Expert
- Mercor
- Berlin
- October 18
- remote work
Industrial Hygienist role requires a certified professional experienced in exposure assessment, sampling, and control banding. Duties include writing prompts, evaluating AI responses against safety policies, and assessing dual-use scenarios. Expertise in process hazard analysis and toxic release modeling is essential.
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.
Systems Engineer - Hardware Integration
- Mercor
- Berlin
- October 18
- remote work
Systems Engineer focusing on hardware integration, reliability, and test engineering. Responsibilities include solving complex problems across electrical, mechanical, and software domains. Requires 5+ years of relevant experience.
Process Safety Engineer
- Mercor
- Berlin
- October 18
- remote work
Process Safety Engineer role requires a certified industrial hygienist experienced in exposure assessment, HAZOP, LOPA, and toxic release modeling. Responsibilities include writing prompts, evaluating AI responses against safety policies, and assessing dual-use scenarios.
Electromagnetic Engineer
- Mercor
- Berlin
- October 18
- remote work
Experienced RF and Electromagnetic Engineering Expert needed to solve complex technical problems. Analyze RF/EM systems, components, and architectures using electromagnetic theory. Requires hands-on industry experience in related engineering fields.
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.
Process Chemist - Route Design Expert
- Mercor
- Berlin
- October 18
- remote work
Process Chemist role requires expertise in synthetic route design and process chemistry across pharmaceutical, agrochemical, or fine chemicals. Responsibilities include writing prompts, evaluating AI responses, and collaborating with experts.
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.
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.






































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