2108 English-speaking jobs in Berlin

Software Engineers will contribute to building evaluation datasets for AI reasoning, explanation quality, and technical judgment in coding-related interactions. Tasks involve crafting realistic developer prompts and writing clear, technically accurate model responses.

Mercor seeks experienced Software Engineers specializing in Cybersecurity to contribute to AI research. Freelancers will design benchmark tasks, create codebases, and annotate model reasoning traces to improve AI problem-solving.

Expert in CAD and engineering software (AutoCAD Mechanical, SolidWorks, Inventor, Vivado) needed for data collection project. Tasks include screen recording and annotation of professional software workflows. Must have access to a physical Mac.

Experienced developers with a proven open-source track record are sought to contribute to AI, data, and enterprise software infrastructure projects. Responsibilities include designing coding problems, developing mini-repos with solutions and tests, and implementing clean, production-quality code.

Senior cybersecurity professionals with experience in both defensive and offensive security are sought to evaluate and improve AI models for threat detection, incident response, and attack simulation.

Expert in MATLAB, Origin, Stata, or EViews needed for data collection project. Tasks include screen recording and annotation of professional software workflows. Must have access to a physical Mac.

Physics experts with International Physics Olympiad experience (participants, medalists, problem-setters, coaches, graders, selection committee members) are sought to write challenging physics problems for AI research.

Clinical Research Experts in Chemistry & Biology needed for ongoing project with a leading AI lab. Contribute subject matter expertise to develop high-quality data for AI innovation. PhD required in a relevant field with experience in clinical study design, experimental methodology, or translational research.

Shape and evolve our OOH parcel locker platform across international markets. Support product development, translate stakeholder feedback into product decisions, and ensure smooth internal product operations. Collaborate with support teams to resolve complex problems and contribute to product roadmap improvements.

Leads the creation and optimization of performance-driven content for marketing campaigns, landing pages, and acquisition funnels. Manages scalable landing pages and reusable templates using Contentful and Builder.io. Establishes workflows for AI-generated UGC video production and manages localization workflows across multiple markets. Analyzes campaign performance and optimizes messaging and funnel copy to improve conversion rates.

Manages order shipments, including replenishment to stores and product returns. Serves as the main point of contact for store deliveries and handles transfer orders and Intercompany PO/SO. Troubleshoots system errors and supports new store openings.

Product Engineer to build and ship AI music video features end-to-end. Collaborate with a small team to turn user problems into solutions, prototyping, testing, and iterating quickly. Experience with React, TypeScript, Python, and AI integrations required. Must be based in Berlin and able to work in the office four days a week.

Design Managers lead design efforts for complex infrastructure projects, ensuring alignment with project goals, client requirements, and industry standards. Responsibilities include establishing design governance frameworks, managing project requirements and interfaces, and collaborating with multidisciplinary teams.

Principal Product Manager – Insights will own the vision and execution of advertiser insights, building insights-driven products that fuel advertiser satisfaction, budget growth, and long-term business impact.

Mobile Test Automation Engineer to design, develop, and maintain Appium-based test suites for Android applications. Collaborate with Android developers to improve application quality and integrate automated tests into CI/CD pipelines.

Kick-start your app growth marketing career supporting execution of acquisition and CRM campaigns across platforms like Google Ads, Apple Search Ads, Meta, and TikTok. Collaborate with analytics, product, and tech teams to monitor, optimize, and contribute to A/B testing initiatives. You will have up to 2 years of experience in digital marketing, performance marketing, CRM, or app marketing and a strong analytical mindset.

Senior Sales & Business Development Manager will develop and execute sales strategies to achieve revenue goals. Responsibilities include identifying market trends, managing client relationships, and collaborating with cross-functional teams. Requires 5+ years of experience in gaming, entertainment, tech, or Web3 industries with a proven track record of exceeding sales targets.

Develop and execute a multi-channel CRM strategy across the customer lifecycle. Manage and optimize the CRM tech stack, leveraging tools to create personalized customer journeys. Analyze data to uncover customer behavior insights and measure campaign impact on KPIs.

Master's thesis in Interactive Guidance for Navigated ENT Surgery. Develop prototypes for the Surgical Navigation System using C++, Python, and MATLAB.

Senior DevOps Engineer will define the continuous delivery roadmap for a corporate bank program. Responsibilities include developing applications, supporting DevOps artifacts, and ensuring smooth customer experience. Requires strong engineering and programming skills, experience with cloud platforms, CI/CD pipelines, and containerization.