Backend Developer Jobs in Schleswig-Holstein, Germany

Factory of Tomorrow Team at Zellerfeld Shoe Company builds the next‑gen manufacturing platform. As a Backend Developer you will design and maintain REST and GraphQL APIs, own end‑to‑end services, shape architecture, and build async pipelines linking hardware, production, and customer systems.

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.

Backend Development team at elbkapitäne GmbH & Co. KG focuses on building scalable server-side services and APIs. The Teamlead drives architecture decisions, mentors engineers, and ensures reliable delivery of backend solutions in Hamburg, on-site.

Mindpeak AI team builds AI-powered digital pathology platforms to enable personalized cancer treatment. The Senior Backend Developer designs, implements, and scales Python backend services that serve machine learning models, handle massive whole-slide images, and integrate scanners and lab systems.

Development Team at Mindpeak builds AI-powered backend services for digital pathology, enabling pathologists to diagnose cancer faster with scalable, high‑quality APIs. The role designs, develops, tests, and deploys backend systems that serve machine learning models, automates data annotation pipelines, and integrates scanners and lab information systems.

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.

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.

Backend Engineering team at elbkapitäne GmbH & Co. KG builds scalable server-side services and APIs supporting the company's financial platforms. The Senior Backend Developer designs, implements, and optimizes core backend systems, collaborates with cross‑functional teams, and mentors junior engineers.

Raptor team at Ibexa builds a high‑performance, cloud‑based Customer Data Platform that ingests, unifies and activates large streams of customer data in real time. The Backend Software Engineer works hands‑on with .NET, C#, Scala, Kafka, Kubernetes and Azure to develop, test and ship features, shape architecture and ensure production reliability, while collaborating with product, design and frontend teams.

Jeppesen ForeFlight is building out its Denmark-based engineering team to design and scale systems that power flight planning and navigation for pilots worldwide. As a Backend Engineer, you will design, build, and maintain scalable services and APIs that process aeronautical data.

SCAYLE, a fast‑growing enterprise‑commerce platform, seeks a Lead Backend Engineer to architect and scale high‑performance checkout services. The role drives architectural decisions, mentors a top‑tier engineering team, and collaborates closely with product, QA, and design to ship new features in a dynamic, agile environment.

Backend Engineer on the BI App team at About You, building smart BI solutions with Node.js and TypeScript to power data-driven insights across fashion e-commerce. The role focuses on managing large data volumes in Google BigQuery, developing high-traffic APIs with minimal latency, and collaborating with product managers, data scientists, and analysts to iterate on features.

Search Team at About You builds a cutting‑edge search engine to power fashion e‑commerce experiences. The role designs and implements high‑traffic APIs with Node.js and TypeScript, manages large data sets using BigQuery, and collaborates with product, QA, and analytics to enhance functionality and launch new features.

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.

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.

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.

Vehicle Mission team at MOIA builds the mission control backend that orchestrates autonomous vehicle operations, enabling passenger management and safe cabin experiences. The role designs, implements, and maintains backend services, bridges AWS‑based infrastructure with in‑vehicle components via AWS IoT, and integrates AI coding assistants into the development workflow.

The Finanzen.net Group is an innovative FinTech company supporting private and professional investors, operating portals like finanzen.net, the ZERO Neobroker, and TraderFox. As a Senior Backend Engineer, you are part of the Engineering Team, co-responsible for the further development and operation of the finanzen.net zero broker.

Backend Engineer on the Recommendation team at ABOUT YOU, building next‑generation recommendation services with NodeJS and TypeScript. The role focuses on designing scalable APIs, managing large data volumes with BigQuery, and integrating with BI and data platforms.

Backend Engineer - Search builds a cutting-edge search engine using Node.js and TypeScript in Hamburg, Germany. The role manages large data volumes with Google BigQuery, integrates with BI systems and the data platform, and builds high-traffic APIs with minimal latency.