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:

• Develop and maintain acomplex Java application

• Enhance existing functionalities and extend the system with new business contexts

• Refactor legacy code to build shared, reusable solutions

• Implement new features mainly in Java SE, with occasional Java EE development

• Integrate applications with databases

• Take responsibility for code quality and testing (create and maintain unit tests; contribute to integration tests)

🧠 What we’re looking for

Must-have

• Commercial experience with Java SE (Java 17) in a large codebase

• Experience with Java EE / J2EE (WildFly, Hibernate)

• Database experience (PostgreSQL or Oracle)

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