Backend Developer Jobs in Hamburg, Germany

Bankdata's Domestic Payment Capturing team in Fredericia, Denmark, builds the services and user experience that enable secure, stable, and efficient domestic payments for private and business customers. As a Senior Backend Developer, you develop APIs, write and maintain code, run tests, and contribute to new development of modern services within an agile, Scrum-inspired setup with two-week sprints.

We are seeking a Backend Developer to join our engineering team in Hamburg, Germany. The role focuses on designing, implementing, testing, commissioning, and maintaining high-performance backend systems for a mobile advertising platform.

We are seeking a Java Backend Developer to join our dynamic technology team in Rostock. The role involves designing, building, and maintaining high-performance back‑end services and APIs using Java, C#, and JavaScript, while leveraging containerization with Docker and Kubernetes and cloud platforms such as AWS and Azure.

SitaWare Insight Platform team builds the backend infrastructure that powers decision‑support tools for commanders. The role designs, implements and scales microservice‑based solutions, integrates AI‑driven data pipelines, and supports deployment and monitoring for internal teams and customers.

ML team at Mindpeak, a Hamburg-based AI-driven cancer diagnostics scale‑up, builds the software that powers medical AI models from data pipelines to UI. The role designs robust backend services, containerized image‑processing systems, and workflow automation, while also extending frontend components for model management. On-site in Hamburg, full‑time, with a focus on integrating AI into production environments.

Gemeinsam mit einem Entwicklungsteam von maximal zehn Personen kannst du deine Ideen einbringen und aktiv an Lösungen mitwirken. In regelmäßigen Austauschrunden erhältst du individuelle Unterstützung bei Fragestellungen und förderst dabei sowohl deine persönliche Entwicklung als auch die des Teams.

We are looking for an experienced backend developer to join the Savings Self-service Engineering team in Copenhagen. If you have several years of experience writing high quality Java/Spring Boot solutions and thrive in an Agile-fast paced environment, then read on!

Engineering team at exmox builds high‑scale backend systems for a rewarded user engagement platform. The Senior Backend Engineer designs and implements APIs, event‑driven architectures, and containerized deployments while mentoring engineers and collaborating with product and data teams.

Purchasing Interface Team builds the core systems for buying, procurement, private label and fotostudio operations. As a Backend Engineer you will develop high‑traffic web applications with PHP/Laravel, design and scale RESTful APIs and background jobs, and own feature delivery from code commit to production monitoring.

ZEAL Network SE is Germany’s largest online lottery provider, operating brands like LOTTO24 and Tipp24, and shaping the future of lottery and e-commerce experiences. As Engineering Team Lead (Backend) in Hamburg, you combine hands-on technical expertise with strong people leadership to grow a high-performing team.

Purchasing Interface Team builds the core system for operational processes in purchasing, procurement, private labels and photo studio. As a Backend Engineer you will develop high‑frequency web applications with PHP Laravel, design and scale RESTful APIs and background jobs, and own feature delivery from code commit to production on AWS ECS. Based in Hamburg or Berlin, on‑site work with a hybrid model as needed.

As a Senior Backend Engineer, you will join the backend team at Appinio, a global market research company combining an AI-powered insights platform with expert consultancy. You will be responsible for developing new features and enhancing the existing code base using NodeJs, Express, and MongoDB, while designing and maintaining server-side applications and database architecture.

Air Apps is a family-founded company building the world’s first AI-powered Personal & Entrepreneurial Resource Planner (PRP), with offices in Lisbon and San Francisco. As a Backend QA Engineer, you will ensure the reliability, performance, and scalability of backend systems by testing APIs, databases, and backend services while collaborating closely with engineers to maintain high-quality standards.

As a Software Engineer - Backend within the Engineering - Pipeline department at Databricks, you will build infrastructure for the Databricks platform at scale. You will work on core compute fabric resource management, service platforms, and machine learning infrastructure, including supporting growth by building foundational infrastructure platforms across numerous geographic regions and cloud providers.

Engineering team at Valuedesk builds a state-of-the-art B2B SaaS platform. The Senior Software Engineer develops and implements new backend features, shapes architecture, and collaborates with product management to deliver maximum customer value.

Design, implement, and optimize scalable backend systems and APIs for a digital restaurant platform. Build secure, high‑performance infrastructure, develop robust APIs, and support customer‑facing services.

Corti’s AI platform powers critical healthcare operations worldwide. As a Senior Backend Engineer, you’ll architect high‑scale audio processing systems that handle over 100,000 calls daily, integrating AI into SIP/SIPREC environments for emergency and hospital dispatch centers.

akeno seeks a Senior/Staff Backend Engineer to join the AI & Optimization Team in Hamburg, Germany. You will design and evolve the core simulation and automation engine for supply chain planning using Python and Rust.

Software Development Team at IMA Schelling Group builds the aimi software platform for high‑tech special‑machine solutions. The role designs, implements and maintains .NET 6 micro‑services, REST and Async APIs, and optimizes SQL Server/Entity Framework data models while ensuring quality through unit testing and CI/CD pipelines.

Senior Software Engineer focused on backend infrastructure for Databricks. Build scalable, cloud‑agnostic platforms that support global operations across AWS, Azure, and GCP. Design and implement distributed systems, develop tooling to improve developer experience, and optimize Rust development pipelines.