532 English-speaking jobs in Berlin

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.

Food Technology Specialist to oversee food production operations, ensuring hygiene, safety, and quality standards. Requires vocational training, 2+ years experience, and a valid driving license.

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 proven 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.

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 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.

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.

Guest Service Experts deliver a memorable dining experience for hotel guests. Responsibilities include setting tables, communicating with the kitchen, serving guests, and maintaining a clean work area.

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.

Design Engineer needed to develop 3D CAD models and detailed drawings for vehicle hardware components. Ensure designs comply with automotive standards and regulations. Manage suppliers and oversee production runs. Requires a degree in Mechanical Engineering or related field and experience with CAD design, automotive standards, and manufacturing processes.

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.

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.

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.