626 English-speaking jobs in Berlin

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

Drive model post-training for Large Language Models powering Alexa+. Own the full model development lifecycle, from data curation through deployment. Design and execute training recipes, including supervised fine-tuning, reinforcement learning from human feedback, and preference optimization. Collaborate with scientists and engineers to bring models to scale. Publish findings at top-tier NLP/ML conferences.

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 new and existing systems, full software development life cycle, and writing clean, optimized, and scalable code using C or Rust is required.

Provide customer support for leading international brands in Portugal, Greece, Malta, or Bulgaria. Must be fluent in one of the listed languages and English. Remote and on-site opportunities available. Relocation package provided.

Remote German-speaking Sales and Marketing Agent needed. Provide digital marketing advice, analyze social media advertising, and execute sales strategies. B2 English proficiency required.

Agora Industry seeks a Project Lead Global Chemicals Transformation to develop and implement a strategy for the global chemical sector's transformation. The role involves leading research projects, coordinating policy proposals, and representing Agora to stakeholders and decision-makers.

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.

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.

Provide object protection at embassies and diplomatic residences. Duties include guarding, patrolling, access control, visitor registration, and monitoring security systems.

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.

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.

The Global Scientific Lead for Clinical Outcome Assessment (COA) Endpoint Strategy provides strategic oversight and leadership for consulting activities within Patient Centered Solutions. This role brings deep expertise in COA measurement science and Patient Experience Data (PED) to differentiate client solutions. Responsibilities include developing COA endpoint and PED strategies, advising sponsors on regulatory interactions, and leading the development of new COA instruments. The role requires deep expertise across COA types, experience developing COA endpoint strategies, and hands-on experience developing new COA instruments. Proven ability to lead, mentor, and oversee multidisciplinary scientific teams is essential. An advanced degree in a relevant scientific discipline is strongly preferred.

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.

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.

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.

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 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.

Fabrication & Assembly Technician will manufacture components using 3D printing, laser cutting, and machining. Responsibilities include surface treatments, assembling mechanical and electronic systems, and collaborating with engineers.