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Senior Java Software Developer
  • Katowice
Senior Java Software Developer
Katowice, Katowice, Silesian Voivodeship, Polska
Vaillant Group
27. 2. 2025
Informacje o stanowisku

Sustainable heating solutions are our company purpose. And flexible ways of working are part of our company culture. Both count. Both are us.

Company : Vaillant Group Location : Katowice-POL Country : Poland (PL) Brand : Vaillant Group

What makes us special

  • Environment that cares about your well-being: flexible working hours, hybrid work model 70/30 and additional 2 days off per year for every employee
  • Package of additional benefits: private medical care, multi-sport card
  • Our employees can work from selected European Union countries for up to 30 calendar days a year
  • Onboarding: Our clearly structured onboarding process, including an Onboarding App, enables us to integrate new employees into Vaillant Group quickly and in a targeted manner
  • Constant learning opportunities for both technical and personal growth through a range of workshops, seminars, events, and e-learnings

What we achieve together

  • As Java Software Developer, You will build and operate Vaillant’s new layer of API services enabling seamless integration for our digital frontends
  • Additionally, supporting other development teams by wrapping re-usable functionality into stable, reliable, performant, and secure APIs which are oriented along domain contexts is important to You
  • You will (re)design existing and new APIs to shape our platform integration layer by implementing API versioning, gateways, transformations, and aggregations
  • With your expertise and knowledge, You will take over the responsibility to maintain and operate existing API services and integrate them into the new API layer
  • Implementing the required tooling for monitoring and testing of APIs to continuously ensure quality is Your asset

What makes us successful together

  • You have a degree with a focus on Computer Science or a comparable qualification and already have 5+ years of professional experience as a Software Developer
  • Additionally, You are familiar with the development of Spring based Java web services using REST architecture and tooling as well as You have deep experience in at least one of the following: PostgreSQL, Kafka, CI/CD pipelines or Azure
  • A clear understanding of the implications of security, scalability, reliability, and sustainability on API design makes You a suitable candidate
  • You are familiar with agile software development methods , modern architectural patterns, and tools
  • Proven experience in the implementation of complex integration scenarios with synchronous and asynchronous communication in distributed system environments as well as experience with GraphQL or gRPC based APIs or with protocol buffers are nice to have
  • Your business-fluent English skills and your open and trustworthy personality enable you to communicate confidently with Developers and Product Owners

We care about our planet and aim to work carbon-neutrally; for this reason, we can only accept online applications.

Lets save the environment together and eliminate paper applications.

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