612 English-speaking jobs in Berlin

About the job Mercor connects elite creative and technical talent with leading AI research labs. Headquartered in San Francisco, our investors include Benchmark, General Catalyst, Peter Thiel, Adam D'Angelo, Larry Summers, and Jack Dorsey.

About the job Mercor connects elite creative and technical talent with leading AI research labs. Headquartered in San Francisco, our investors include Benchmark, General Catalyst, Peter Thiel, Adam D'Angelo, Larry Summers, and Jack Dorsey.

About the job Mercor connects elite creative and technical talent with leading AI research labs. Headquartered in San Francisco, our investors include Benchmark, General Catalyst, Peter Thiel, Adam D'Angelo, Larry Summers, and Jack Dorsey.

Your tasks As an Expert Packaging Engineer (m/f/d), you will play a key role in shaping and scaling KoRo’s packaging landscape to support our growing product portfolio and long-term sustainability ambitions. You will help build the structures, processes and standards needed to accelerate product launches, improve packaging quality and drive innovative packaging solutions across the business.

About the team: Our Small Markets Customer Support team is the direct connection between SumUp and the merchants who rely on us every day. We work across multiple channels — phone, chat, and email — to make sure our merchants get fast, friendly, and effective support in their own language. This role exists because we're growing.

Join the launch team of Nature Mechanical Engineering as an Associate or Senior Editor. Shape, develop, and establish this new journal focused on high-impact research across all areas of mechanical engineering. Responsibilities include handling original research papers, overseeing peer review, contributing to content strategy, and collaborating with other Nature portfolio editors. Applicants must have a PhD with a strong research track record in relevant fields.

Contract Music Expert needed to author, review, and annotate technical tasks for AI model evaluation. Must have a DMA, PhD, or equivalent experience in Music or Musicology and fluency in music theory, history, performance practice, composition, or ethnomusicology.

Contract Radiologist needed to author, review, and annotate technical tasks for AI model performance evaluation in diagnostic imaging. Must be a board-certified Radiologist, Pathologist, or equivalent imaging-focused physician with 3+ years of active clinical practice.

Contract Physics Expert to author and review technical tasks evaluating AI model performance on physics problems. Must have a PhD in Physics or equivalent experience and fluency in at least two areas of physics.

Mechanical Engineering Expert needed for contract role. Develop technical tasks to evaluate AI models on mechanical engineering problems. Must have a PhD in Mechanical Engineering or equivalent experience. Fluency in at least two areas of mechanical engineering required.

Mechanical Engineering Expert needed for a remote, part-time contract role. Responsibilities include authoring technical tasks, reviewing and annotating diagrams, and producing problem sets. Must have a PhD in Mechanical Engineering or equivalent experience and fluency in at least two areas of mechanical engineering.

Expert in art history or theory needed to author technical tasks, review problem sets, and collaborate with AI research teams. Must have a PhD or equivalent experience and fluency in art history periods, critical theory, visual analysis, curatorial practice, or conservation.

Physics Expert analyzes AI model performance on physics problems, creates problem sets using experimental data, and annotates tasks to improve model outputs. Must have a PhD in Physics or equivalent experience and fluency in at least two areas of physics.

Senior Research Development Scientist analyzes complex problems in STEM fields to improve AI model outputs. Develops quantitative methods and collaborates with AI research teams.

Risk Analyst – B2B will lead the redesign of B2B underwriting models, including scorecards, decision engines, and rating methodologies. Responsibilities include continuous improvement of data analysis and business processes, building harmonized credit frameworks, and partnering with Data Science to develop ML-based credit models.

Working Student to support the Tech Strategy & Operations team in improving how Delivery Hero monitors, analyzes, and supports its global technology organization. Will contribute to internal tools and reporting systems that provide visibility into financial performance, operational KPIs, and organizational health.

This role involves verifying financial data, maintaining records, preparing reports, and handling accounts payable. The Accounting Supervisor will also coordinate tasks, mentor team members, and ensure work quality.

Creative Director/Lead to conceptualize and execute scalable AI-driven content for a fashion tech brand. Develop a distinctive visual language across image, video, social, and ads. Experience with AI tools (Midjourney, Runway, Pika, ChatGPT) and performance marketing is required. Lead and potentially build a small creative team.

Unpaid UX/UI Design internship at IndieKidz GmbH in Berlin. Collaborate with engineers to design user-friendly interfaces for Occibo, an AI-powered children's book creation platform. Assist with user research, wireframing, prototyping, and design documentation. Must have a portfolio and be currently enrolled in a relevant study program.

Evaluates AI model performance on psychology problems by authoring, reviewing, and annotating technical tasks. Develops original problem sets grounded in experimental designs and behavioral data. Provides feedback to improve training data quality. Requires a PhD in Psychology, PsyD, or MS with 3+ years experience, or a BA/BS with 5+ years applied research experience. Must be fluent in at least two areas of psychology and comfortable interpreting experimental designs and statistical plots.