1396 ux stepstone germany English-speaking jobs in Berlin

Astrophysics and Cosmology Expert needed to design computational problems for AI evaluation. Requires graduate STEM training, strong Python skills, and proficiency with scientific software in a Linux environment.

Evaluate AI-generated artifacts against domain-specific quality rubrics using deep subject-matter expertise in Engineering, manufacturing, or technical operations. Provide structured written feedback to improve AI model performance. Requires 5+ years of relevant experience.

Infrastructure Expert role involves reviewing and assessing domain-specific documents for quality and accuracy. Responsibilities include providing structured feedback and collaborating on evaluation processes. Requires a Bachelor's degree and 2+ years of relevant professional experience.

Bioinformatics Expert needed for Single-Cell Genomics. Design computational problems for AI systems using software like scanpy and scvelo. Requires graduate STEM training, strong Python skills, and comfort in Linux environments.

PhD Physicist needed to evaluate research problems in fluid dynamics and convection stability to enhance AI model reasoning. Requires published work, proficiency in LaTeX, Python, and Jupyter.

IT Consulting Expert needed for F500 focus. Construct enterprise consulting scenarios for digital transformation, systems integration, and IT advisory. Requires 5+ years in IT consulting at a major firm or F500 enterprise.

Mathematics PhD required for AI Evaluation Expert role. Responsibilities include sourcing material, writing scientific prompts, building grading criteria, and calibrating tasks against frontier models. Must have a PhD in a related math field and proficiency in Python or R.

Nonproliferation Analyst role requires expertise in export control, proliferation pathway analysis, and illicit trade. Responsibilities include writing prompts, evaluating AI responses against policy, and distinguishing misuse.

Generalist Search Expert role requires precise information retrieval across webpages. Candidates must have expertise in History, Philosophy, Linguistics, Sociology, Political Science, Economics, Fine Arts, Media, or Literature, with a PhD or equivalent experience.

Chess Expert needed for game reconstruction and transcript correction. Requires 1800+ ELO, fluency in algebraic notation, and attention to detail to ensure accuracy in chess commentary transcripts.

Information Retrieval Specialist requires a PhD or equivalent expertise in History, Philosophy, Linguistics, Sociology, Political Science, Economics, Fine Arts, Media, or Literature. The role involves conducting precise information retrieval and developing strategies to enhance AI-generated content accuracy.

Build and operate LLM agents in production environments. Responsibilities include ensuring agent reliability, managing long-running processes, and developing internal monoagents. Must have experience building and operating LLM agents.

STEM Researcher role requires MSc/PhD in a STEM field. Responsibilities include literature review, data analysis, modeling, and creating training data for AI models using tools like Python, MATLAB, and R. Must own a MacBook.

Applied Computer Science Benchmark Specialist role requires a PhD or doctoral candidate in CS or related fields. Responsibilities include authoring complex CS questions, providing solutions, and verifying existing content.

Preclinical R&D Expert needed for in-house drug development. Review data, classify scientific outputs, and advise on development decisions. Requires 5+ years of hands-on R&D experience with drug modalities.

AI Safety Red Teamer role involves designing adversarial prompts to stress-test frontier AI models. Responsibilities include identifying unsafe behaviors and documenting vulnerabilities across sensitive domains. Requires 5+ years of experience in AI Safety or related fields.

Formal Mathematician role requires writing idiomatic Lean 4 proofs in mathlib across algebra, analysis, and logic. Responsibilities include formalizing math and reviewing AI-generated proofs. Must have hands-on Lean 4 experience.

Evaluate frontend code by judging visual fidelity, construction quality, and responsiveness across reference and candidate replications. Requires 3–8 years of frontend experience, mastery of HTML/CSS, and strong written justification skills.

Document Specialist role requires using Word on macOS for authoring and reviewing legal, policy, and consulting documents. Must have Word on Mac, ability to capture >2.5MP screenshots, and access to a high-resolution monitor or dual-monitor setup.

Fluid Dynamics and Convection Stability Physicist (PhD) role. Evaluate physics problems to enhance AI model reasoning. Requires PhD in related field with published work on convection stability and proficiency in LaTeX, Python, and Jupyter.