357 English-speaking jobs in Cologne

Develop high-performance full-stack applications using ASP.NET Core and React. Design and implement scalable cloud-based and enterprise solutions. Write clean, maintainable, and testable code. Develop and maintain RESTful APIs and integrations within the Microsoft 365 ecosystem. Contribute to CI/CD pipelines and containerized deployments.

Develop and deploy LLM-powered applications using LangChain, LangGraph, and RAG architectures. Build scalable AI systems within a modern Azure cloud environment.

Senior Fullstack .NET Developer to design, develop, and maintain high-performance applications using ASP.NET Core and React.

Develop and deploy LLM-powered applications using LangChain, LangGraph, and RAG architectures. Build scalable AI systems within a modern Azure cloud environment.

Leads a team of 3 product analysts, partnering with Product Managers to define and track key product metrics. Translates data into actionable insights to inform product strategy and feature optimization. Builds and scales reporting and dashboards to monitor product performance. Collaborates cross-functionally to drive data-driven decision making.

DeepL seeks a Senior Sales Director to lead and inspire a team of Sales Leaders and Account Executives across the DACH region. This role focuses on scaling the team to achieve and exceed targets, ensuring consistent growth in new business acquisition and expansion opportunities. The ideal candidate will have proven success leading sales managers, a deep understanding of the enterprise segment, and experience in B2B SaaS sales.

Senior Software Engineer will architect, develop, and maintain full-stack features using TypeScript, React/Next.js, Python, FastAPI, and Kubernetes. Responsibilities include collaborating with researchers, managing infrastructure, ensuring code quality, and contributing to technical direction.

The Business Development Director will support the growth of Alimentiv business in the EU/APAC region by identifying new opportunities, developing sales plans, and managing client relationships. Responsibilities include leading bid defenses, negotiating contracts, and supporting marketing activities.

Lead product vision and customer experience for Europe's largest digital pharmacy, driving innovation and aligning business goals with AI-driven transformation.

Leads portfolio governance, project management standards, and strategic initiatives. Conducts market, competitive, and performance analyses to inform business decisions. Develops business cases and innovative concepts to enhance organizational efficiency. Facilitates executive workshops and contributes to the strategic roadmap process. Manages a team of project managers and reports to the Chief of Staff.

Experienced Data Engineer needed to develop, optimize, and maintain data processing workflows. Strong MS SQL Server skills required, including T-SQL, XML handling, query optimization, and partitioning. Experience with batch processing and data pipelines is essential.

Develop sustainable software solutions for the European energy transition. You will develop applications for electricity traders to utilize flexible assets in the most profitable way.

Senior Python developer needed for AI testing project. Experience with pytest, Docker, Linux, and LLMs (e.g., Claude Code, Roo Code) required. Must be able to read and understand code in C, C++, Rust, or Go. Fluency in English (B2 or higher) is essential.

Senior Automation Quality Engineer will design, implement, and maintain test automation strategy for the Intermediate Control System (ICS). Responsibilities include automating backend, integration, and system-level validation, ensuring regression safety, performance readiness, and predictable system behavior. The role requires strong experience in backend test automation using Java, experience testing REST and SOAP services, and familiarity with CI/CD pipelines.

Senior Backend Engineer will contribute to scaling critical merchant-facing products like Payment Links, Virtual Terminal, and Unified Gift Cards. Responsibilities include implementing new features, monitoring services, and optimizing application performance. Requires 5+ years of experience in backend engineering with Golang and strong understanding of system architecture, design principles, and API design.

Underwriter (Senior) for Life/Health CUBES team in Cologne. Assesses and underwrites complex biometric risks, builds client relationships, and contributes to strategic initiatives. Requires 5+ years underwriting experience, relevant degree or qualification, fluency in German and/or English, and strong analytical skills.

Payment Operations Specialist will test, monitor, and handle e-commerce payments, ensuring accuracy and compliance. The role involves managing tickets, supporting management on payment methods, and collaborating with IT teams to improve payment features.

Payment Operations Specialist will test, monitor, and handle e-commerce payments, ensuring accuracy and compliance. The role involves creating and managing IT tickets, supporting management on payment methods, and investigating payment-related issues.

Develop, test, and administer virtual telemetry data processing systems for the ISS ground segment. Implement and test virtual client-server architectures for mission networks, ensuring IT security compliance. Troubleshoot and resolve issues within virtual networks and provide IT support for local computers.

Operations Consultant supports student-athletes through administrative and operational stages of their recruitment journey. Ensures clients receive accurate, timely, and high-quality support from onboarding through admissions, eligibility documentation, pre-arrival preparation, and visa processes.