2166 English-speaking jobs in Berlin

Senior Backend Developer (Java / Spring) Remote · Full-time We are looking for a Senior Backend Developer who enjoys building reliable, scalable production systems and solving complex backend engineering problems.

Role Overview We are seeking PhD-level consultants with deep expertise spanning preclinical development through early clinical stages. The ideal candidate has led or meaningfully contributed to programs navigating the path from target validation through first-in-human studies, and can independently drive strategic decisions at key inflection points.

Mercor is seeking Clinical Research Experts (Chemistry & Biology) for a premier project with one of the world’s top AI labs. In this role, you will contribute your subject matter expertise to a cutting-edge project involving state-of-the-art large language models.

Mercor is seeking expert evaluators to support a high-impact evaluation workflow in partnership with a leading AI research lab. This project focuses on the Environmental Science domain, where you will assess agent-generated research reports related to climate data, pollution measurements, resource consumption, species population tables, and weather patterns.

Mercor is hiring experienced Software Engineers specialized in Cybersecurity to support high-impact research collaborations with leading AI labs. Freelancers will contribute to building training datasets that improve AI model reasoning and problem-solving on real-world coding tasks.

Role Overview Mercor is seeking SWE Experts to support the design of evaluation-ready workflows for advanced AI systems. This engagement focuses on translating ambiguous requirements into structured, repeatable artifacts that can be tested automatically. You’ll produce clearly specified deliverables (documentation + scripts) that enable consistent assessment of agent performance across scenarios.

This role supports a business group focused on developing next-generation AR wearable devices. The team is driving innovation in flexible and rigid circuit board design, enabling advanced features in compact form factors. The need arises from increased project volume and the complexity of integrating new electrical components into wearable products.

Meta is seeking a Network Deployment and Operations Engineer with over 10 years of experience to join the Network Deployment and Support team. This role involves providing technical and operational guidance for IP or Optical network deployments, ensuring projects are delivered on time and with high quality.

Location: Remote (must have access to a physical Mac) Fluent Language Skills Required: English Why This Role Exists Mercor is supporting a high-priority data collection initiative aimed at improving how AI systems understand complex software interfaces and real-world, multi-step workflows.

Location: Remote (must have access to a physical Mac) Fluent Language Skills Required: English Why This Role Exists Mercor is supporting a high-priority data collection initiative aimed at improving how AI systems understand complex software interfaces and real-world, multi-step workflows.

Mercor is hiring experienced Software Engineers to support high-impact research collaborations with leading AI labs. Freelancers will contribute to building training datasets that improve AI model reasoning and problem-solving on real-world coding tasks. This is a unique opportunity to apply your software engineering expertise toward shaping the next generation of intelligent systems.

Technical Program Manager – Data Science Portfolio Seeking a Technical Program Manager with 7–10 years of experience working with technical teams. The candidate will manage, prioritize, and drive impact across a portfolio of data science projects and initiatives.

Mercor is recruiting on behalf of a cutting-edge AI research lab building advanced AI systems for cybersecurity applications. We are seeking senior cybersecurity professionals with deep hands-on experience across both defensive (Blue Team) and offensive (Red Team) security disciplines.

A prestigious tech company is seeking a skilled Software Engineer to join their Interview Experience team within Recruiting Products, part of the larger People Products pillar under Enterprise Engineering. This role involves contributing to the company's hiring infrastructure that supports hundreds of thousands of interviews annually.

Mercor is seeking expert bioinformaticians for a high-priority benchmark evaluation project with one of the world's leading AI labs. In this role, you will independently solve challenging bioinformatics data-analysis problems. You will work through difficult tasks that require analyzing large biological datasets and submitting your complete analytical workflows as Jupyter notebooks.

Mercor is seeking expert evaluators to support a high-impact evaluation workflow in partnership with a leading AI research lab. This project focuses on the E-Commerce domain, where you will assess agent-generated research reports related to product catalogues, pricing comparisons, inventory management, customer behaviour data, and sales analytics.

Role Overview We’re building an AI-native platform that replaces spreadsheet-driven operations with real-time dashboards and agentic workflows. This engineer will own core product delivery end-to-end: platform foundations, integrations, analytics surfaces, and the pilot launch.

As an Engineering Program Specialist, you will partner with Technical Program Managers to deliver hardware to cross-functional teams on time to support product development. This role requires strong communication skills and attention to detail, as you will work with large cross-functional teams both internally and externally. Managing and tracking information is critical to the success of this role.

Join a dynamic team as a Software Engineer and help build cutting-edge AI-powered applications. This role is ideal for talented full-stack engineers passionate about rapid prototyping and capable of turning strategic direction into production-quality software. It suits scrappy, self-directed engineers who thrive in ambiguity and are excited to work with the latest AI technologies.

We are looking for a Network/System Lab Engineer to help bring up and maintain our network lab environment. You will be responsible for integrating new network equipment, troubleshooting issues, coordinating installations, and maintaining inventory. This role is critical to ensuring our software engineering teams have a reliable environment for testing and validation.