649 English-speaking jobs in Berlin

Design computational problems for AI evaluation in astrophysics and cosmology. Evaluate AI systems' ability to solve research-grade problems. Develop experimental strategies to recover hidden information from data. Calibrate tasks against state-of-the-art AI models. Utilize astropy and related tools for cosmological calculations.

Research Physics Expert needed for contract role. Solve physics challenges, decompose problems, author Python solutions, and audit submitted answers. PhD or postdoc in relevant subfield required. Must have publications and proficiency in LaTeX, Python, Jupyter, and SymPy.

Physics PhD required for remote contract role. Develop problems in Statistical Mechanics, Condensed Matter, AMO Physics, and contribute to large language model project.

Research Physics Expert needed for contract role. Solve physics challenges, decompose problems, author Python solutions, and audit submitted answers. PhD or higher in relevant subfield required. Demonstrable publications and proficiency in LaTeX, Python, Jupyter, and SymPy.

Evaluate STEM problem prompts and verify golden answers for accuracy and clarity. Assess grading methodology and analyze model agent trajectories. Provide structured feedback to improve training data quality.

Contract Real Estate Broker needed for 3-4 week project. Create real estate deliverables, review peer work, and diagnose real estate issues to advance AI model training. Requires 4+ years of real estate experience and excellent written communication.

Evaluate STEM problem prompts and verify golden answers for accuracy and clarity. Assess grading methodology and analyze model agent trajectories. Provide structured feedback to improve training data quality. Must have a MS or PhD in Materials Science / Materials Engineering.

Mercor seeks Mechanical, Civil, Industrial, or Architectural Engineers to author AI test tasks, evaluate model outputs, and develop complex requests using real-world workspace files.

Mercor seeks a professional photographer/videographer for a contract role. Responsibilities include shooting images and video, ensuring high quality, and meeting deadlines. Must have 2+ years of experience, a strong portfolio, professional equipment, and proficiency in editing software.

Senior Director, Launch Lead Neuroscience EMEA owns the regional launch strategy and commercialization roadmap for a potential first-in-class therapy. This role advises leadership and drives cross-functional alignment across EMEA.

Country General Manager accountable for commercial, financial, and operational performance of Berlin and Munich properties. Requires strategic leadership, revenue management expertise, and proven P&L ownership in premium hospitality.

Experienced Project Director needed for large-scale data center construction. Full project lifecycle management, from design to handover, ensuring safety, quality, schedule, and cost objectives are met. Minimum 10 years' experience in large-scale construction projects, at least 5 years in mission-critical or data center environments. Strong cross-disciplinary coordination and budget management skills required.

Lead backend and fullstack engineering teams building real-time AI conversation systems at scale. Requires 7+ years as a software engineer and 3+ years leading teams with strong technical credibility.

Electrical Lead to manage electrical site delivery on a large data center construction project. Responsibilities include electrical installation, subcontractor coordination, technical interfaces, quality control, and commissioning readiness.

Build high-impact applications applying AI models to solve real-world problems. Requires 1+ year in software engineering, proficiency in Python, and experience building LLM-powered workflows.

Marketing intern to design graphics, edit videos, and assist with marketing initiatives. Must be familiar with design tools like Photoshop and video editing software.

Freelance lecturers (m/f/d) are sought for university preparation courses in Berlin, starting September 2026. Subjects include English, Mathematics, Computer Science, Natural Sciences, Economics, and German (as a Foreign/Second Language). Applicants should have a relevant university degree, teaching qualification, or equivalent experience.

Experienced Associate Director / Director, Global Regulatory Affairs needed to develop and execute global regulatory strategies for development-stage and marketed products. Strong European Regulatory Affairs experience, including EMA exposure, required.

Leads data partnerships with clinical, academic, and service providers, ensuring secure data transfer and integration into DAiNA workflows. Defines data formats, metadata, and quality control requirements. Manages data-related operational questions from partners.

Build and maintain scalable data infrastructure on AWS and Kubernetes. Develop streaming components using Kafka and Snowflake. Requires 3+ years experience with data platforms, Terraform, and Python.