1297 English-speaking jobs in Berlin

AI Safety Practitioner role involves evaluating AI responses for safety, accuracy, and policy compliance across sensitive domains. Requires 5+ years of experience in AI Safety, Trust & Safety, or related fields, and a relevant Bachelor's degree.

Nonproliferation Analyst role requires writing prompts in the nuclear materials domain and evaluating AI responses against policy standards. Must have experience with export control, treaty implementation, or proliferation pathway analysis.

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.

Data Science Expert to design grading criteria and score AI/human work samples. Requires 5+ years of industry experience in business, product, or growth data science, with fluency in A/B testing, SQL/Python, and strong written communication.

Vision Review Specialist evaluates expert-written tasks, prompts, and golden outputs. This role assesses AI-generated content accuracy and depth to improve model reasoning. You will develop evaluation rubrics and provide structured feedback to research teams.

Applied Engineering Benchmark Specialist role requires PhD or doctoral candidate to author complex engineering questions in VLSI, Control Science, or Mechatronics. Must provide Chain-of-Thought solutions and academic references.

Database Systems Evaluation Expert role requires a PhD or five years of database-engine internals experience. Responsibilities include designing engineering tasks, building correctness checks, and evaluating performance measures.

Chess Expert needed for game reconstruction and transcript correction. Must have 1800+ ELO, be fluent in algebraic notation, and possess a strong ear for spoken commentary. Work independently on enhancing AI research datasets.

Develop and maintain high-quality Android applications using Kotlin and Java. Evaluate Android Studio applications on macOS for functionality and performance. Requires proficiency with Android Studio on macOS and the ability to capture high-resolution screenshots.

Evaluate Unreal Engine functionality and performance on Windows. Capture high-resolution screenshots (>2.5MP) and collaborate with technical teams to enhance 3D applications for virtual production.

Spreadsheet Analyst role requiring Excel proficiency on macOS for financial analysis and business operations. Responsibilities include modeling, formulas, pivot tables, and capturing high-resolution screenshots.

SEO Specialist role involves designing task briefs, reviewing AI agent attempts, and diagnosing issues from organic growth work. Requires hands-on experience in SEO/AEO and fluency in Google Analytics 4, GSC, Semrush/Ahref, and a CMS.

Analytics Leader role constructing enterprise data science scenarios for large-scale predictive modeling and analytics governance at Fortune 500 accounts. Requires 5+ years as a data scientist or ML engineer with F500 data product ownership.

Applied Physics Benchmark Specialist role requires a PhD or doctoral candidate in Physics or related fields. Responsibilities include authoring complex physics questions, providing detailed solutions, and verifying problem clarity.

Applied Mathematics Benchmark Specialist role requires a PhD or doctoral candidate to author complex math questions, provide detailed solutions, and verify problem clarity for AI research labs.

Computational Genomics PhD role requires expertise in R and Python to perform multi-step data analysis in genomics and quantitative biology. Candidates must have a PhD and strong skills in statistical modeling and experimental design.

Data Science Expert to design grading criteria and score AI/human work samples. Requires 5+ years of industry data science experience, fluency in A/B testing, SQL/Python, and strong written communication.

Full-Stack Engineer for AI Systems. Requires 3+ years of experience, fluency in modern frontend/backend frameworks, and production experience with auth, payments, and file uploads. Duties include writing specs, building reference implementations, and calibrating task difficulty.

CUDA Engineering Expert role involves analyzing and optimizing GPU kernels for performance using profiler metrics. Responsibilities include writing C++17, Python, and GPU code, applying expertise in CUDA or HIP, and identifying bottlenecks.

Construct enterprise data science scenarios for large-scale predictive modeling and analytics governance at Fortune 500 accounts. Build analytics across ML model development, data pipelines, and BI using tools like Snowflake, Python/R, and SageMaker. Requires 5+ years in a data science role at a Fortune 500 organization.