Senior Fullstack Developer (m/f/d)

We are not just a software development company – we are innovation partners for both the business and scientific worlds. With us, you’ll work on customized solutions that help shape the future. If you are passionate about programming, curious about new technologies, and want to make an impact with your ideas, then you’ve come to the right place!

• Frontend & UX: you build high-performance, responsive UIs and work closely with design and product teams.
• Architecture & APIs: you design scalable architectures and integrate REST/OpenAPI interfaces.
• Technical responsibility: you make architectural decisions, conduct code reviews, and ensure quality & performance.
• Teamwork: you work closely with backend, DevOps, and product teams and implement requirements in a structured way.
• Confident in working with Spring / Spring Boot, Quarkus, or Hibernate .
• Experience with REST APIs, API design, and integration .
• Good knowledge of SQL and relational databases .
• Understanding of software architecture, clean code, and testing .
• Experience with Git, Maven/Gradle, and CI/CD pipelines .
• Excellent German and English skills.
• You are highly motivated and have a strong interest in independently familiarizing yourself with new technological topics.
• Experience with containers such as Docker is a welcome advantage for us.
• You have knowledge of Azure , AWS , or GCP .
• Experience in C++ or Python is a big plus!
• You have experience with machine learning workflows.
• You are familiar with performance optimization (lazy loading , code splitting , caching ).
• Flexible working: flexible working hours through a flextime system, hybrid work—either from home or in our beautiful office in Düsseldorf.
• Modern technology & real challenges: together with us, you will work on exciting and diverse projects that solve real problems.
• Small teams, big impact: you will join a young, open, and supportive team. Here, you will always find the right people to turn to.
• Personal onboarding & development: we support you from the very beginning and in your continuous professional development.
• Fair compensation & benefits: transparent salaries, health benefits, a dog-friendly office, and 50% discount on your job ticket.