Java SE / Java EE Engineer
B3 Consulting Poland is a Polish outsourcing company with Scandinavian roots, built on logic, experience and pragmatic thinking .
We work in a Scandinavian-style culture that values trust, responsibility and long-term cooperation.
Our CARE philosophy guides how we work with both customers and colleagues – we focus on understanding real needs, adapting solutions wisely and taking ownership of what we deliver.
At B3, you’ll find more than just projects. You’ll join a team of engaged, supportive people who value quality, collaboration and technical depth 🙌
We’re currently expanding our digital innovation center in Poland and are looking for a Java SE / Java EE Engineer to join us.
🚀Your role and responsibilities
In this role, you will work on a large-scale Java system , focusing on stability, quality and long-term maintainability.
You will:
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Develop and maintain a complex Java application
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Enhance existing functionalities and extend the system with new business contexts
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Refactor legacy code to build shared, reusable solutions
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Implement new features mainly in Java SE , with occasional Java EE development
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Integrate applications with databases
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Take responsibility for code quality and testing ( create and maintain unit tests; contribute to integration tests)
🧠 What we’re looking for
Must-have
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Commercial experience with Java SE (Java 17) in a large codebase
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Experience with Java EE / J2EE (WildFly, Hibernate)
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Database experience ( PostgreSQL or Oracle )
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Unit testing experience ( JUnit and/or Selenium )
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Ability to read, understand and refactor existing code
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English and Polish level B2+
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Residence in Poland and eligibility to work here
Nice to have
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Basic knowledge of JavaScript (React)
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Experience with REST / Web Services (building or consuming APIs)
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Familiarity with OSGi or Eclipse desktop applications
🚀 What we offer
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Health & sports benefits adjusted to your needs
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Free running and swimming trainings (Warsaw)
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Internal triathlon team and joint sports competitions
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Individual development paths to deepen your technical expertise
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Cyclical initiatives supporting growth in other IT domains , beyond your main stack
Apply today and grow with B3 🚀
Originally posted on Himalayas