436 ux stepstone+germany English-speaking jobs in Berlin
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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.
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.
Electrical Engineer
- Mercor
- Berlin
- October 18
- remote work
Electrical and Hardware Engineering Experts are needed for complex tasks. Responsibilities include reviewing hardware designs, analyzing trade-offs, and assessing technical correctness. Requires 5+ years of experience, with expertise in RF, Power Electronics, or Analog/Mixed-Signal Circuit Design.
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.
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.
Chemical Safety Expert
- Mercor
- Berlin
- October 18
- remote work
Analytical Chemist role requires experience in hazardous compound detection using GC-MS, LC-MS/MS, IR, and NMR. Responsibilities include writing prompts and evaluating model responses for chemical safety.
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.
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 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.
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.
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.
Radiation Safety Specialist
- Mercor
- Berlin
- October 17
- remote work
Radiation Safety Specialist role involves writing prompts and evaluating model responses in the radiological safety domain. Responsibilities include labeling benign, dual-use, and adversarial content. Must have experience as a Radiation Safety Officer or Health Physicist.
Radiological Safety Specialist
- Mercor
- Berlin
- October 17
- remote work
Radiological Safety Specialist role requires a named RSO with broad-scope license and program management experience. Responsibilities include writing and evaluating prompts on radiological safety, ensuring correct model handling, and providing technical rationales.
Radiation Safety Officer - Compliance Expert
- Mercor
- Berlin
- October 16
- remote work
Radiation Safety Officer role requires a named RSO on a broad-scope license with program management experience. Responsibilities include writing and evaluating prompts in radiological safety and ensuring correct model handling against policy standards.
Radiological Safety Expert - Redteaming
- Mercor
- Berlin
- October 16
- remote work
Radiological Safety Expert for Redteaming. Write and label challenging prompts in the radiological safety domain. Evaluate model responses against policy standards and write technical reference answers. Requires experience as a Radiation Safety Officer or Health Physicist.
Ulcerative Colitis Physician - Survey Expert
- Mercor
- Berlin
- October 16
- remote work
Ulcerative Colitis Physician needed to develop physician-facing surveys. Responsibilities include translating research objectives into clinically accurate, unbiased questions covering disease severity and treatment pathways. Requires MD/DO with UC background and survey writing experience.
Nuclear Medicine Physicist - Expert
- Mercor
- Berlin
- October 16
- remote work
Nuclear Medicine Physicist role requires expertise in nuclear medicine, cyclotron operations, and medical physics, including brachytherapy. Responsibilities involve writing prompts, evaluating AI responses, and collaborating to improve model judgment.
Computational Biologist
- Mercor
- Berlin
- October 15
- remote work
Computational Biologist role requires a Master's or PhD in a related field. Responsibilities include multi-step bioinformatics data analysis, using tools like Python/R, and generating reproducible analyses in Jupyter notebooks.
Board-Certified Psychiatrist - Subspecialist
- Mercor
- Berlin
- October 13
- remote work
Board-Certified Psychiatrist needed to evaluate LLM reasoning on advanced psychiatric cases. Responsibilities include designing diagnostic challenges and developing gold-standard answers for AI research teams. Requires MD/DO and active board certification.












































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