371 backend developer English-speaking jobs in Berlin

About your tasks: Design, develop, and maintain robust, scalable backend web services in Python. ... About the Role: We are looking for a Python Backend Engineer (m/f/d) to join our Software Engineering ... Genuine enthusiasm for Artificial Intelligence and its practical applications in backend systems. ... In this role, you will design, develop, and maintain scalable backend web services that power our AI-driven ... Your solid experience in Python-based backend systems, combined with an interest in Artificial Intelligence

As a Lead Developer (m/f/x), you will be developing end-to-end applications for merchant solutions to ... Use your full stack or backend Java experience for designing and developing new and existing applications

Requirements Must have: 5+ years of backend development experience Strong development experience ... You are not “just” a developer - you will always think about our product and how to improve the experience

Tasks Own backend robustness: Improve and maintain core backend components with a focus on correctness ... We are looking for an experienced backend-focused Software Engineer (m/f/d) who helps us stabilize and ... the team: Collaborate with other engineers and product to turn real operational needs into reliable backend ... Contribute to infrastructure, CI/CD, observability, and deployment improvements that directly impact backend

Technical Developer – Dynamics 365 Customer Service (JavaScript & CIF, Europe) 📍 100% Remote – EUROPA ... ADVANCED, SEMI SENIOR, SENIOR, LEAD, SPECIALIST About the Role We are looking for a Senior Technical Developer ... Apply Now If you are a Technical Developer in Dynamics 365 Customer Service with strong JavaScript expertise

audiences Speak at regional and international developer events, meetups, and webinars Build trusted ... Additional Responsibilities & Preferred Qualifications: Additional Responsibilities Advocate for developer ... documentation, and onboarding experiences Create localized and global technical content tailored to developer ... of experience with frontend, web, or commerce technologies Experience working with APIs, SDKs, and developer ... with developers to encourage long-term advocacy and adoption Collaborate with internal teams to align developer

Developer Experience at Scale Design APIs that feel intuitive, composable, and hard to misuse—serving ... for the Python SDK to own the technical vision, architecture, and execution of Cognee's primary developer ... Nice to Have Experience with agent frameworks, vector search, or graph databases Background in developer ... API Design Track Record Proven experience building and maintaining widely-used SDKs, libraries, or developer ... Experience 8+ years of software engineering experience, with clear ownership of critical systems or developer-facing

code Experience with Fastify (preferred) or similar TypeScript backend frameworks (Express, NestJS, ... About you Strong full-stack engineer with hands-on TypeScript (backend + frontend) for server and client ... Strong experience with React Able to design and implement backend services + databases, performant web

Key responsibilities include: Build and optimize backend services for VPP operations and energy market ... solutions with TypeScript Data engineering fundamentals — designing systems bridging backend and data ... integrations Design systems at the intersection of backend and data processing pipelines Drive technical ... decisions and guide fellow engineers on architectural choices Navigate between data engineering, backend ... boundaries Your profile The successful candidate will have: Proven experience developing scalable backend

modern TypeScript-based frontend frameworks (Angular, React, microfrontends) while bringing strong backend ... full-stack engineer who is equally comfortable shaping frontend architecture and designing resilient backend ... build, and evolve a modern, customer-facing portal using a microfrontend architecture and scalable backend ... business requirements into robust technical solutions Drive architectural decisions for frontend and backend ... frontend frameworks, including Angular and React, with experience in microfrontend architectures Deep backend

Tasks Own and evolve backend & cloud architecture – Design, build, and operate scalable, reliable backend ... Provide technical leadership and cross-functional guidance – Mentor backend engineers, uphold high code ... Backend Architecture: Deep experience designing reliable, scalable applications using TypeScript and ... Delivery & Mentorship: actively leading the technical delivery of key product features while mentoring the backend

Job Description Take full end-to-end ownership of designing, building, and scaling backend services ... Monitor backend systems, troubleshoot complex issues, and drive continuous improvements in reliability ... Qualifications 5+ years of professional software development experience with a strong focus on backend ... Experience owning backend systems end-to-end - from concept and design to deployment and long-term maintenance

services, and backend APIs. ... Your key responsibilities Lead the overall QA strategy for Web Frontend, Backend services, and native ... Establish and scale automated testing across both Frontend and Backend, including UI, API, and mobile ... Your skills and experiences Extensive experience in automated testing for Web Frontend, Backend APIs/ ... environments covering UI, API, contract, integration, performance, and mobile testing across Frontend and Backend

We’re hiring a Senior Software Engineer (Backend/LLM Infrastructure) to build and operate the backend ... Requirements 4–6+ years of backend or full-stack engineering experience with Python/FastAPI/LangGraph

Python, and Scala to build scalable pipelines ideally, bring initial experience with Go to contribute to backend

Drive backend performance through testing, monitoring, and robust CI/CD practices. ... Build and evolve our Backend for Frontend (BFF) layer to meet mobile-specific needs. ... Senior Backend Engineer, App (m/f/d) About Redcare Pharmacy: As Europe’s No.1 e-pharmacy, Redcare Pharmacy ... About the role: We are looking for a Senior Backend Engineer (m/f/d) to join our App team and help build ... This role is critical in ensuring high performance, scalability, and reliability of our backend systems

United, Deichmann, Fielmann, or s.Oliver to create outstanding customer experiences with one unified backend

The Company A leading global developer in renewable energy projects, with one of the broadest product

As we scale, we're investing heavily in developer experience, automation, and productivity. ... automation Mindset You optimize for leverage, not ticket throughput You care deeply about developer ... performance testing, distributed tracing, load testing Designed integration/testing frameworks or developer ... event-driven systems, and CI/CD Hands-on with Docker, Kubernetes, AWS, and modern observability stacks Developer ... automated validation infrastructure Implement foundations for deterministic, automation-gated deployments Developer

In this role, you’ll take ownership of frontend architecture while also contributing to backend endpoints ... and evolve frontend architecture, ensuring high code quality and performance Design and implement new backend ... APIs/endpoints Comfort working across the stack and understanding how frontend and backend systems interact ... understanding of frontend architecture, performance, and state management Experience designing and implementing backend