Full Stack Developer Jobs in Hesse, Germany

AI / GenAI Systems team at Fresenius Medical Care builds end‑to‑end AI‑powered applications that enable kidney care innovation. The intern designs and implements retrieval‑augmented generation pipelines, LLM workflows, and agentic architectures using LangChain and LangGraph.

IT-Vertriebstechnologie team at ATLAS builds modern web and cloud applications for financial advisors. The Full Stack Developer designs, implements and maintains Java/Kotlin backend services and Angular/React front‑ends, ensures performance, security and observability on Kubernetes, and drives test automation in agile sprints.

IT-Vertriebstechnologie department at ATLAS builds modern web and cloud applications for financial advisors, ensuring high performance, security and resilience. The Full Stack Developer designs and implements Java/Kotlin microservices and Angular/React front‑ends, writes automated tests, and enhances monitoring on Kubernetes.

IT-Vertriebstechnologie at ATLAS4 builds modern web and cloud applications for financial advisors. The Full Stack Developer implements front‑end and back‑end features, analyzes requirements, ensures performance, security and resilience, and continuously improves code quality and monitoring.

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.

Fortinet EMEA Labs seeks an experienced Full‑Stack Developer to join its lab engineering team in Frankfurt. The role focuses on building robust, scalable, and user‑friendly applications, from intuitive front‑end interfaces to efficient back‑end systems.

LapID Development Team builds modern, responsive web applications for its customers. As a Full Stack Developer you will create Angular/TypeScript front‑ends, develop reusable components, optimize performance and accessibility, and integrate with .NET/C# backend services via REST APIs.

Cryoport redefines temperature‑controlled supply chain for life sciences. Join Tec4Med to develop scalable backend for cloud portal, write automated tests, troubleshoot, optimize, integrate services.

Comet seeks a Full Stack Engineer to build and ship features for Opik, an open‑source LLM observability platform. The role blends frontend (React/TypeScript) and backend (Java) work, developing APIs, dashboards, and automated evaluation tools while collaborating with AI researchers and engineers across a distributed team.

Aareon’s Full Stack Developer builds scalable web applications for the real estate SaaS platform, designing and implementing Java/Spring backend services and Angular/React frontends. The role develops RESTful APIs, CI/CD pipelines, and AI‑supported development tools while ensuring clean code and architecture.

Full Stack Engineer Principal at Iron EagleX, a GDIT subsidiary, leads data‑driven backend and front‑end development for U.S. national security missions. Designs and maintains high‑performance search and analytics services using Python, Flask/FastAPI, Streamlit, JavaScript/TypeScript, React, and Docker/Kubernetes on AWS. Builds APIs, microservices, and data ingestion pipelines with Postgres, SQLAlchemy, and Elasticsearch.

BJAK is building a next‑generation AI‑enabled Neobank platform that helps people in Southeast Asia manage, grow, and spend their money. As a Full Stack Engineer you will design and ship end‑to‑end product features across frontend, backend, APIs and databases, creating customer and internal workflows for onboarding, payments, rewards, travel, FX, support automation, KYC and risk.

Innovation Team at Innocraft builds privacy‑first analytics capabilities for Matomo, delivering AI‑powered insights and new product features. The Full Stack Engineer designs, prototypes, and ships backend (PHP/Python) and frontend (JavaScript) components, collaborates directly with the CTO and senior engineers, and ensures secure, scalable implementations.

Full Stack Engineer on Innocraft’s Innovation Team, building privacy‑first analytics features for Matomo’s open‑source platform. Own end‑to‑end development from concept to production, prototyping AI‑powered insights and extending backend (PHP/Python) and frontend (JavaScript) capabilities.

Typeform’s Platform Engineering team builds the shared foundations, tooling, and infrastructure that enable scalable product experiences. As a Mid‑level Full Stack Engineer, you’ll design and maintain backend services, APIs, and internal tooling that power Typeform’s product development ecosystem, while collaborating with frontend engineers and designers to ensure consistent patterns across products.

Full-Stack Developer at osapiens Hub, building AI‑driven enterprise solutions for sustainable growth. Develop and optimize full‑stack features in Typescript, Node.js, and React, automating compliance workflows and enhancing user experience.

Full-Stack Developer on osapiens Hub, building AI‑driven enterprise solutions for sustainability. Designs, builds, and optimizes full‑stack features with Typescript, Node.js, and React, automating compliance workflows.

Join Dedalus as a Full Stack Developer in Bonn, Germany. Design and maintain scalable backend services in Python or Rust, build dynamic Angular frontends, and manage containerized applications on Kubernetes.

Digital Innovation Explorer team at CHECK24 builds data‑driven recommendation systems for travel and activity bookings. The Full‑Stack Developer designs and implements end‑to‑end features using PHP, Go and React/Next.js, integrates AI tools like LLMs into the product, and ensures high performance and reliability through CI/CD and monitoring.