Full Stack Developer Jobs in Hamburg, Germany

Full Stack Developer C#/.NET (w/m/d) at Ayvens (formerly ALD Automotive | LeasePlan) in Hamburg. Join the IT Innovation team to design, develop, and maintain digital solutions using C#/.Net, TypeScript, React, MongoDB, Elasticsearch, Azure, Azure DevOps, with optional Node.js and SQL. Responsibilities include building end‑to‑end applications, owning project phases, optimizing existing systems, and ensuring architectural excellence.

Mediabrands’ Tech Team drives process automation and builds an operating system for all IPG teams. As a Full Stack Developer you’ll evolve the local OS, create and integrate REST APIs, and develop industry‑specific web applications using Python and React.

Full Stack Engineer on Omnidocs Create, building clean, intuitive .NET and Blazor interfaces that turn complex workflows into simple user experiences. Day‑to‑day work includes collaborating with product, design and engineering to shape flows, connect frontend to backend APIs, and use AI tools for prototyping and debugging.

SimCorp’s FinTech team builds integrated investment solutions for global asset managers. As Lead Software Engineer, you design and architect scalable services, mentor peers, and drive continuous improvement in code quality and processes.

At Famly we need a Senior Fullstack Engineer to build scalable features for our Early Childhood Platform in Copenhagen. You’ll work across the stack—modern TypeScript/React front‑end, GraphQL/REST APIs, and Scala back‑end with cats, cats‑effect, fs2, and slick.

Full Stack Developer (Backend Focus) at Milestone Systems. Join Digital Presence department to modernize applications, build Azure serverless backend services, and React front‑end features.

At Famly, a Full Stack Engineer in Growth builds experiments and scalable features using AI tools like Copilot, Cursor, and Claude. The role drives data‑driven growth across the Early Childhood Platform, collaborating on planning, design, development, and rollout of new features.

Platform Engineering team building a cutting‑edge self‑service cloud SaaS platform for Voice AI services globally. The role develops scalable backend services and intuitive user interfaces, leveraging AI tools like Claude and GitHub Copilot to accelerate design, coding, testing, and problem‑solving.

Full-stack developer role focused on clean architecture, automation, CI/CD, IaC, observability, and golden paths. Work across frontend and backend, contribute to system architecture, containerised environments, and documentation.

Java Full Stack Developer role at KION Group involves building web and cloud-native applications for service technicians. The position requires strong Java and Spring expertise, database knowledge, and version control skills.

Senior Full Stack Developer with deep Microsoft stack expertise, leading distributed system design, mentoring, and CI/CD practices to build scalable enterprise applications across front‑end and back‑end.

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.

Drees & Sommer’s Web Development team builds modern, scalable web applications using TypeScript, Node.js, Express, Vue.js, PostgreSQL and Azure DevOps. The role focuses on designing and implementing high‑performance backend services, crafting responsive front‑end components, and ensuring code quality through automated testing.

Drees & Sommer’s Web Development team builds scalable, modern web applications using TypeScript, Node.js, Express, and Vue.js to deliver innovative digital solutions for real‑estate, energy, and infrastructure projects. The Senior Full‑Stack Developer leads end‑to‑end development, designs performant PostgreSQL data models, writes automated tests with Vitest/Jest, and refines CI/CD pipelines in Azure DevOps.

Drees & Sommer’s Web Development team builds modern, scalable web applications using TypeScript, Node.js, Express and Vue.js. The Senior Full‑Stack Developer designs and implements performant database solutions with PostgreSQL and TypeORM, ensures code quality through automated testing (Vitest, Jest), and refines CI/CD pipelines in Azure DevOps. The role supports technical customer interactions and continuously improves development and deployment processes in a startup‑like environment.

Offers and Checkout team at smava GmbH builds seamless, trustworthy loan checkout experiences. The role owns end‑to‑end features in React/TypeScript front‑end and Node.js back‑end, drives AI‑powered UX and automation, and maintains scalable AWS/Kubernetes services.

Offers and Checkout team at smava GmbH builds seamless, trustworthy loan checkout experiences. The Senior Full Stack Engineer owns end-to-end features using React/TypeScript and Node.js, drives AI-driven UX and automation, and builds scalable services on AWS/Kubernetes.

Customer Communication team at smava builds an omni‑channel communication landscape, enabling the best loan application process. The Senior Full Stack Engineer designs and maintains Node.js/TypeScript services on AWS Lambda and Kubernetes, ensuring stable, automated customer interactions via email, SMS, WhatsApp and a dialer.

Engineering team at ChurchDesk builds SaaS tools that help churches modernize and engage their communities. The Senior Full Stack Engineer will own end‑to‑end feature delivery, design scalable backend services and craft performant React front‑ends while mentoring teammates and shaping architecture.