436 English-speaking jobs in Berlin
Hardware Engineer - RF Specialist
- Mercor
- Berlin
- October 18
- remote work
Hardware Engineer - RF Specialist applies electrical and hardware engineering expertise to complex tasks. Responsibilities include reviewing designs, analyzing trade-offs, and assessing technical correctness for real-world hardware problems. Requires 5+ years of experience with expertise in RF systems or related fields.
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.
Inventor Professional Expert - Mechanical
- Mercor
- Berlin
- October 18
- remote work
Evaluate Inventor Professional on Windows for mechanical and product design. Capture and analyze high-resolution screenshots. Collaborate with engineers to improve 3D mechanical design and assembly modeling.
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.
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.
Nuclear Engineer
- Mercor
- Berlin
- October 18
- remote work
Nuclear Engineering & Safeguards Experts for Red Team are needed to write prompts, evaluate AI responses, and develop misuse scenarios in the nuclear domain. Must have experience in safeguards, fuel-cycle, and material control.
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.
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.
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 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.
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.
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.
Circuit Design PhD - Problem Author
- Mercor
- Berlin
- October 18
- remote work
PhD in Electrical Engineering required for Circuit Design Writer. Author original, expert-level engineering problems and solutions based on industry scenarios. Validate problem difficulty against frontier language models.
FPGA Design Engineer - Vivado Expert
- Mercor
- Berlin
- October 18
- remote work
FPGA Design Engineer role requiring Vivado on Windows expertise. Responsibilities include developing and verifying FPGA and RTL designs. Candidates must be able to capture screenshots over 2.5 megapixels and work independently.
RF Circuit Design Expert
- Mercor
- Berlin
- October 18
- remote work
- part-time
RF Circuit Design Expert role involves designing computational problems for AI testing using scientific software like scikit-rf and ngspice. Requires graduate-level STEM training, strong Python skills, and comfort in Linux environments.
Electrical Engineer
- Mercor
- Berlin
- October 18
- remote work
- part-time
Electrical Engineering & RF/Circuit Design Expert needed to design computational problems for AI research. Requires graduate-level STEM training, strong Python skills, and proficiency with scientific software like scikit-rf.
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.
Electrical Test Automation Engineer
- Mercor
- Berlin
- October 18
- remote work
Design and implement automated test systems for electrical and electronic hardware. Develop test scripts, automation frameworks, and perform functional, performance, and HIL testing. Requires experience in electrical testing and proficiency in Python, MATLAB, or LabVIEW.
Forensic Materials Expert
- Mercor
- Berlin
- October 18
- remote work
Federal Certified Materials Specialist/Incident Analyst role requires expertise in energetic materials and propulsion. Responsibilities include writing prompts, evaluating model responses, and analyzing dual-use scenarios. Must have forensic laboratory identification experience.
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.



















































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