72 backend developer English-speaking jobs in North Rhine-Westphalia

Software Developer COBOL role involving analysis and extension of systems on IBM mainframe architecture. Responsibilities include COBOL, SQL, JCL development, and managing batch processes. Requires mainframe experience and database skills.

Design and develop firmware and software for wireless modules like Wi-Fi, Bluetooth, and LTE/5G. Responsibilities include driver development for Embedded Linux/Android and RF hardware bring-up. Requires C/C++ skills and experience in embedded systems.

As part of this, you will work with all the stakeholders, from architects and Backend Leads to customers

(tracking, registry, deployment workflows)Strong Python skills for AI development, automation, and backend ... performance, and incident responseEngineering & AutomationUse Python for automation, AI integration, backend

Full-time CUBE CONCEPTS - Innovation meets sustainability We are CUBE CONCEPTS, a leading project developer

Relevant certifications such as Oracle Certification or Microsoft Certification Excellent knowledge of backend

Fullstack Developer role focusing on customer experience. Develop REST/event-based services using Java, with frontend work in Vue.js or Angular. Experience with cloud infrastructure and Agile methods is required.

fitUniversity degree in information technology or relatedMinimum 4 years of work experience as an SAP IT developer

You will work on backend systems, automation, and data processing solutions.

experienceRelevant certifications such as Oracle Certification or Microsoft CertificationExcellent knowledge of backend

Develop automated, self-serve solutions and optimize AI-driven solutions using modern LLMs. Collaborate cross-functionally to improve automation and AI platforms. Requires experience with automation tools and API integration.

knowledge of networking fundamentals (TCP/IP, IPv6, VLANs, SOCKS proxies) relevant for in-vehicle and backend-connected

Relevant certifications such as Oracle Certification or Microsoft Certification Excellent knowledge of backend

As a hybrid of tech start-up, brand developer and store operator, we offer customers unique experiences

ownership of the execution within a cross-functional engineering team (Software, QA, DevOps, and a Lead Developer

The role combines applied LLM engineering with solid backend engineering in TypeScript.

or you are highly accomplished with other modern frontend frameworksYou have a solid background in backend

You specialize in one (or both) of the two: Cloud Native EngineeringYou have strong backend experience

due diligence, in-depth financial analysis of property transactions, underwriting analysis including developer

We're looking for an exceptional Principal Research Developer, LLM who is ready to drive the future of