600 English-speaking jobs in Berlin

Experienced software development team lead develops technical concepts and supports agile teams. Analyzes requirements, leads and coaches development teams, conducts code and architecture reviews, and collaborates with stakeholders.

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.

Postdoctoral Fellow (m/f/d) to lead integration of polysomnography into a human research program focused on sleep physiology and its connection to autonomic function, neurodegenerative disease, and emotion-cognition interactions.

Senior Kernel & Hypervisor Engineer will build the EC2 Nitro Hypervisor for AWS, developing virtualization components and automating infrastructure flows. Responsibilities include designing, testing, and deploying solutions across the virtualization software stack, driving operational excellence, and influencing the technological roadmap. Experience designing or architecting systems, full software development life cycle, and writing clean, optimized, and scalable code using C or Rust is required.

Develop and maintain the EC2 Nitro Hypervisor for AWS. Build virtualization components, automate infrastructure, and improve hypervisor quality. Collaborate with global teams to drive innovative solutions.

Support the Marketing Localization team with content marketing and software asset localization. Assist with translation project management, quality assurance, and the use of AI translation engines.

Study Physician responsible for medical oversight of clinical trials from design to reporting. Requires MD degree, minimum 4 years clinical practice experience, and expertise in relevant therapeutic areas. Experience in pharma industry or CRO preferred.

As a Mission Control Engineer, you will build and operate mission planning systems for a growing satellite constellation. You will monitor, control, and optimize spacecraft performance, collaborating with various teams to ensure reliable data delivery. Responsibilities include developing mission planning services, defining engineering standards, and translating mission requests into executable commands.

Technical Sales Expert for Grid Automation solutions, driving the growth of Siemens Energy's Digital Grid portfolio. Support regional sales teams, customers, and engineering experts in converting grid operational challenges into value-driven solutions.

Experienced phlebologist or vascular surgeon sought to implement diagnostic and therapeutic procedures for venous diseases. Will advise and treat patients with conditions such as varicose veins and chronic venous insufficiency. Collaborate with a team of doctors, nurses, and therapists.

Lead the creative vision and output for social media campaigns across a portfolio of clients. Concept, develop, and oversee the execution of social-first creative ideas. Provide creative direction and mentorship to the social creative team. Collaborate with strategy, production, and social media teams to ensure creative ideas are both inspired and executable. Present and sell creative concepts to clients.

Lead the design of complex digital products end-to-end, from concept and UX strategy through to scalable UI systems and implementation. Translate research insights, product ambition, and brand direction into clear interaction models, intuitive user flows, and high-quality interface design. Work closely with product, engineering, research, and strategy teams to shape feasible, forward-thinking solutions. Design AI-powered interactions such as conversational interfaces, adaptive systems, and personalization patterns. Drive iteration and validation cycles, using user feedback and data to continuously refine and elevate the product experience. Contribute to and evolve scalable component architectures in Figma, ensuring consistency, efficiency, and long-term maintainability. Establish and refine collaboration workflows across design, product, and engineering.

As the first and central designer, you'll own the entire design area for a new AI platform simplifying legal processes for companies. You'll plan user tests, evolve the product from concept to implementation in Figma, and maintain our design system.

As a Senior Technical Sales Expert for Digital Grid Enhancing Technologies, you will drive market adoption of Siemens Energy's solutions. You will work with regional sales teams, customers, and engineering experts to convert grid operational challenges into value-driven solutions. You will support sales activities, lead customer workshops, and shape end-to-end solution concepts.

Senior Hardware Development Engineer will own productization of a sensing platform, encompassing mechanics, electronics, firmware, and fluidics. Responsibilities include design, testing, debugging, and validation of hardware systems for manufacturability and field deployment. Requires a degree in a relevant field and experience building and productizing physical hardware systems.

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.

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.

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.