400 English-speaking jobs in Berlin
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.
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.
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.
Mechanical Design PhD - CAD Expert
- Mercor
- Berlin
- October 18
- remote work
Mechanical Design PhD role requires authoring and solving expert-level engineering problems based on industry scenarios. Candidates need a PhD in Mechanical, Aerospace, or Industrial Design and 5+ years of production design experience, including GD&T and DFM.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
PCB Design Specialist
- Mercor
- Berlin
- October 18
- remote work
- part-time
PCB Design Specialist role involves designing engineering problems and developing tasks using CAD tools like SolidWorks and AutoCAD. Requires 3+ years of experience in Mechanical CAD, Electronics/PCB, or 3D/Spatial-Temporal, plus Python and Git proficiency.
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.
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.
Mechanical Engineer
- Mercor
- Berlin
- October 18
- remote work
Mechanical Engineering Writer role requires a PhD in Mechanical Engineering and 8+ years of industry experience. Responsibilities include authoring and solving expert-level engineering problems for AI research.






































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