691 English-speaking jobs in Berlin

We are seeking a skilled Physiotherapist to assess, diagnose, and treat patients with physical challenges. The ideal candidate will develop and implement individualized treatment plans and collaborate with healthcare professionals.

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.

Drive model post-training for Large Language Models (LLMs) powering Alexa+. Apply techniques like supervised fine-tuning, reinforcement learning, and knowledge distillation to improve customer experience. Own the full model development cycle, from data curation to deployment.

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.

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.

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.

Provides executive support to the CTO and a senior leader, managing calendars, travel, meetings, and communication. Requires experience supporting C-level executives, strong organizational skills, and fluency in English.

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.

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.

Senior Fullstack Engineer will design, develop, and own end-to-end features, build backend services and frontend applications using TypeScript and Java, and collaborate cross-functionally to deliver high-value, high-reliability features.

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.

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.

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.

Freelance lecturer to teach software engineering principles, including software lifecycle, requirements engineering, and agile methods. Requires a computer science degree, practical experience, and C1 English proficiency.

Freelance lecturer to teach data science fundamentals, including feature engineering, feature selection, predictive modeling, and data quality. Design courses using provided materials and conduct practical teaching sessions. Requires a university degree in Computer Science, Data Science, or a related field and practical work experience. Fluency in English (C1 level) is required.

Freelance lecturer to teach fundamental knowledge of Applied Artificial Intelligence, including NLP methods, algorithms, applications, and challenges.