CHECK24 | Germany | 81xxx, 80xxx München | Permanent position | Full time | Published since: 19.01.2026 on stepstone.de
(Senior) Fullstack Software Engineer – Credit Card (m/f/d)
We are CHECK24 – the leading comparison portal in Germany with 20 million customers and more than 50 comparison products. In our credit card team at CHECK24 we meet real technical complexity: numerous banks, a variety of credit card products and very different technical requirements. Our task is to translate this complexity into a simple, fast and completely digital comparison experience for our customers. For this we bind numerous banks, process large amounts of data and develop scalable application lines. With the help of AI-based comparisons, we support our customers in choosing the optimal credit card – based on a distributed microservice architecture that allows instant paperless claims. We are looking for a (Senior) Fullstack Software Engineer (m/w/d) to strengthen our international team at CHECK24 Comparative Portal Karte & Konto GmbH. Excess responsibility for architecture and product orientation, work in an open team with feedback culture and use modern tools – including AI-based development – to work on practical solutions with real added value. .
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Your tasks • Your profile • What we offer
Design and develop innovative services for our credit card comparison platform Excess responsibility for the entire software lifecycle: from design and implementation to deployment to monitoring Work across the entire Tech stack – from the Frontend (React) to the Backend (Spring Boot) to databases (PostgreSQL, MongoDB) and platform components (e.g. MCP server) Integrate complex third-party systems, including banks and communication service providers translate technical requirements together with Product Ownern in sustainable technical solutions Support your colleagues through constructive code reviews, establishing best practices and active knowledge sharing
Complete studies in the field of computer science, natural sciences or comparable technical studies At least five years of professional experience in software development, ideally in agile development environments Funded expertise in the development of Spring Boat Microservices and modern React Frontends Very good knowledge of CI/CD pipelines and dealing with Git, Maven, Jenkins and Docker Deep understanding of software architecture and safe handling of clean code principles Enthusiasm for new technologies, a pronounced hands-on mentality and a high sense of responsibility beyond the pure code commit Very good knowledge of English (min. C1) and reliable knowledge of German (min. B2) in word and writing
Start-Up Flair with certainty: As a stable and growing tech company with more than 20 years of success on the market, we are continuously setting up. CHECK24 combines the best of two worlds: stability and security of a large company with the flexibility and the flair of a dynamic start-up by small units within the CHECK24 group Your bet pays off: We offer you an indefinite contract, annual bonus payments with outstanding performance as well as exclusive vouchers for numerous CHECK24 products and special conditions in partner fitness studios Benefit from a personal training budget: Use it flexibly for conferences, literature or online courses of your choice Experience the CHECKito-Spirit: We celebrate success together with team events, drinksouts and our summer and Christmas celebrations. Whether it's kicking or after-work-get-together: team-pirit is getting big! Food & Drinks: Three times a week, there is free fresh lunch – supplemented by a selection of drinks and regional fruits Staying on the go: With your free Deutschlandticket or a subsidized company bike you can get to the office without stress – our centrally located office at Donnersbergerbrücke is optimally accessible
Contact
 | CHECK24 | |
| 80339 München | ||
| Germany | ||
| show e-mail |
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