129 backend developer English-speaking jobs in Germany

Artificial Intelligence Engineer API Developer | Python, AWS, FastAPI, 2D / 3D Images Rate - €90–€95 ... developer with a focus on API development Proven experience building REST APIs, ideally using FastAPI ... About the Role This is a backend focused Python development role supporting a cutting-edge AI platform ... Responsibilities Develop and maintain backend APIs that expose AI and machine learning capabilities to ... PyTorch) Working knowledge of SQL and backend data integration Strong software engineering fundamentals

Requirements / Skills You have a strong background as a Software Engineer or Backend Developer with deep ... Make architectural decisions that consider performance, scalability, security, and developer experience ... We're Looking for a Certain Kind of Mind We need someone who doesn't just write backend code, but understands ... Our team includes six developers (two backend-heavy), a designer, a QA, and a Product Owner. ... experience in Python and modern backend frameworks such as FastAPI, Starlette, Pydantic, or Falcon.

Coordinating with external developer groups and provide guidance on technical requirements. ... Data Engineer (f/m/d) As a Backend Data Engineer at Hyundai AutoEver, you will be a vital member of ... Your primary responsibility will be the operation of Connected Car backend in-house applications. ... European Headquarters in Frankfurt am Main area (Offenbach) we are looking for an IT professional as: Backend ... interfaces between applications to ensure reliable delivery of vehicle data from the backend cloud.

This role goes beyond backend development. ... and business areas Drive modernization efforts that improve scalability, reliability, security, and developer ... better technical decisions through coaching, reviews, and architectural consultation Improve end-to-end developer ... Infrastructure-as-Code experience (CDK, Terraform, or equivalent) Experience building internal platforms, developer ... Your tasks Technical Strategy & Architecture Define and evolve the long-term technical vision for backend

Testing Library, Playwright, Cypress, or equivalent Keywords Senior Full-Stack Engineer / Full-Stack Developer ... understanding of hydration, state management, and rendering lifecycles Proven experience developing backend ... Playwright / Cypress / Enterprise Software / Cloud Native / Software Engineering / Frontend Engineering / Backend ... FastAPI / AsyncIO / WebSockets / Real-Time Applications / Server-Side Rendering / SSR / Hydration / Backend-for-Frontend ... client-server state synchronisation, concurrent task coordination, and message validation Develop scalable backend-for-frontend

What You'd Work on Building and extending Luna's backend: REST APIs, the services behind them, and the ... Application: Please go to https://careers.aqarios.com/jobs/working-student-backend-engineer to fill out

handling Test strategy: experience building testing practices systematically within a team Background in developer ... You spend most of your time on the backend – building AI-integrated services, async pipelines, and the ... YOUR ROLE Backend & API: Build and extend FastAPI endpoints, Celery task orchestration, PostgreSQL schemas

Continuously improve quality, speed, reliability and developer leverage. ... Shape the evolution of the company's auditing platform around agentic workflows, modern backend architecture ... You've built and shipped production backend systems and are comfortable taking ownership of complex architectures

Experience in integrating backend services (e.g., Python services, REST APIs) with Java-based applications ... Full-stack development experience or prior work on developer tooling platforms. ... At our site in Böblingen you will find both as Software Developer - Java (Eclipse) and Python (m/f/d)

Senior Project Developer – Onshore Wind (Northern Germany) An established renewable energy developer ... is looking to appoint a Senior Project Developer to strengthen its growing onshore wind development team

The engineering team delivers scalable backend services, integrations with banking and tax platforms, ... Implement and review complex features across backend services, integrations, and frontend interfaces. ... will define technical direction, lead architecture decisions, and deliver high-impact features across backend

What You'll Be Doing Develop and scale backend systems and customer-facing web applications Own product ... and implement scalable, maintainable, and secure software architectures Build and maintain APIs and backend ... experience Bachelor's degree in Computer Science, Mathematics, Engineering, or a related discipline Strong backend

Public Size | ~350 in Europe, new Germany hub opening Role | Senior Software Engineer (full stack, backend-leaning ... Who this is for You're a backend-leaning full stack engineer with a product and systems mindset You're

the pain is, and what a fix looks like Translate that chaos into clean system design, then build it: backend ... plus Experience integrating with APIs, external systems, and enterprise data pipelines Ability to own backend

We are looking for an experienced Developer (m/f/d) for the technical solution design and further development

Build scalable, maintainable backend systems using FastAPI and modern Python tooling. ... Experience with modern AI developer tools (e.g., Cursor, Claude Code, Copilot, etc.).

Agents Your profile Several years of experience as a Power Platform Architect or Senior Developer ... Advising product team on architecture standards and governance Integration of the platform with backend

Experience partnering with Developer Relations, developer communities, partner programs, or ecosystem‐facing ... serving large developer, partner, or builder communities. ... Background working closely with Developer Relations or similar functions. ... External‐facing experience (e.g., public speaking, developer community engagement). ... You will lead the developer platform, APIs, MCP strategy, marketplace, strategic integrations, and builder

Develop and manage international key accounts in the data center segment. Build and maintain long-term customer relationships at the C-suite level. Co-develop and implement the central segment strategy for data centers.

and delivering complex backend systems in production, ideally at large scale. ... What You'll Do Set technical direction: Define the architecture and patterns for the backend systems ... leadership role for an engineer who can anchor complex, long-running initiatives across the payroll backend ... What You Need to Succeed Backend and distributed systems expertise: A strong track record architecting ... operational excellence: Set the standard for the reliability, performance, and maintainability of payroll backend