KEOZ GmbH | Germany | 41xxx Mönchengladbach | Permanent position | Full time / Home office | Published since: 10.06.2026 on stepstone.de
Senior Backend Developer (m/f/d)
At KEOZ GmbH, great software is created where people, trust and common growth are the focus. As Software Solutions Partner and subsidiary of S-Markt &Wert GmbH & Co. KG, we combine security with innovation joy. Our cooperation is partnership, open and at eye level. We value diversity, think solution-oriented and develop individual software solutions with real added value in the team. Innovation, agility and continuous development shape our daily work - both professionally and personally. Our goal: value-generating solutions that we are proud of together. At KEOZ you not only design software, but an environment full of humanity, cohesion and future orientation. KEOZ - together. innovative. forward-looking! !
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Your tasks • Your profile • What we offer
Development and development of modern, scalable backend services in a microservice architecture. Implementation of requirements with focus on quality, performance and wartability. Application of agile and classic development methods in the team. Planning, implementation and automation of test scenarios (TDD). Documentation of code, architecture and workflows. Analysis, diagnosis and troubleshooting. Continuous improvement of our development processes and technical basis through the use of modern technologies.
You have very good knowledge of German in word and writing (mother language or bilingual). It's not a problem for you to come to the office 2x a week. Found experience in backend development with Node.js. Experience with Fastiy or a comparable HTTP framework. Safe handling of TypeORM as ORM. Experience with Dependency Injection, ideally with Awilix. Practice in test-driven development (TDD) preferably with tap. Multiannual experience in the development of scalable backend services within a microservice architecture. Experience in dealing with relational database systems (e.g. PostgreSQL, MySQL). Understanding Clean Code and Software Design Principles. Confidence with agile and classic development methods. Excellent quality awareness and team spirit. Focus on quality, performance and durability in the implementation of requirements. Proactive improvement of development processes and technical basis through the use of modern technologies.
Regular individual inhouse physio units Powerful technical equipment Performance-oriented remuneration Unlimited workplace Flexible working time hybrid working time model Individual development possibilities / further training Team events & corporate events Additional services (e.g. company pension or company ticket) Business bike 30 days off Space for your own ideas Head of Mission Modern and ergonomic workplace Fresh fruit, sweet & hearty snacks, soft drinks & coffee Good access by public transport
Location
 | KEOZ GmbH | |
| 41179 Mönchengladbach | ||
| Germany |
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