Wünsch AG | Germany | 7xxx Ditzingen bei Stuttgart, Leonberg, Ludwigsburg | Permanent position | Full time | Published since: 05.07.2026 on stepstone.de
Senior Java Entwickler/ Engineer Fullstack (all gender, all ages)
Some build software solutions for the mass. We develop high-performance software and AI solutions for demanding customers. We're not a group. No IT service provider from the bar. We are a small, well-established team that develops individual high-performance software and AI solutions for customers in a variety of industries — and operates them in our own, in-house data center. Full digital sovereignty — for us and our customers. That's not a coincidence, that's conviction. Our stack is based on open source technologies wherever it is. Because we want to understand what's going on and keep control. And because our customers expect exactly that from us. Now only you miss as a Senior Java Fullstack developer for our team. At Wünsch AG you are not a resource in a ticket system. You are part of a small team of experienced developers in which your opinion actually counts – from the first customer requirement to the deployment in your own data center. .
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Your tasks • Your profile • What we offer
You develop individual Java applications for demanding customers – from architecture to productive operation You work as a fullstack developer (our surfaces are functional and must match customer requirements) You implement Open Source LLM solutions for our customers Your experience flows directly into architectural decisions You're not just Coder, but you're thinking: How do we make the demands the smartest? You take the technical responsibility for a customer system – and get the necessary trust You bring your own ideas and see them actually implemented, not buried in a backlog
Finded experience in individual Java development – you have built real projects for real customers, not just screwed on internal tools Multiannual (>5 J.) experience with Java, JEE/Jakarta EE, Spring, ideally PostgreSQL and application servers like JBoss WildFly; PrimeFaces knowledge is a plus, but no need You've been busy with LLMs or you're looking to build know-how desire to take responsibility and actually understand the customer's requirements, instead of only making tickets The desire to work in a small team where you know, instead of disappearing in the crowd Flowing German knowledge in word and writing – you communicate directly without detours
Direct access to our own data center. You don't have to go through three ticket levels to understand how your software really works – you can go and watch. Training and time for your own ideas. We learn in each project and provide the necessary space and resources to build new knowledge. Responsibility from day one. We introduce senior developers because we want to trust their experience and share our knowledge. Manufactory atmosphere — Small units, short paths, no division limits. You see what you're building. What you improve makes a difference right away. Safe workplace. We're looking because we grow. Sensual technology — We do not buy what is currently trendy. We'll bet what's wearing. Open Source, thoughtful, sustainable. Modern hardware & quiet work environment — Small office units that enable concentrated work. Other Benefits — VWL grant, free parking directly at the building (also for bicycles), ÖPNV in 5 minutes, kitchen, fruit, cereals, green garden and regular team events. .
Location
 | Wünsch AG | |
| Dieselstr. 10, 71254 Ditzingen bei Stuttgart, Leonberg, Ludwigsburg | ||
| Germany |
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