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 responsibilitiesIn 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 applicationEnhance existing functionalities and extend the system with new business contextsRefactor legacy code to build shared, reusable solutionsImplement new features mainly in Java SE, with occasional Java EE developmentIntegrate applications with databasesTake responsibility for code quality and testing (create and maintain unit tests; contribute to integration tests)🧠 What we’re looking forMust-haveCommercial experience with Java SE (Java 17) in a large codebaseExperience with Java EE / J2EE (WildFly, Hibernate)Database experience (PostgreSQL or Oracle)Unit testing experience (JUnit and/or Selenium)Ability to read, understand and refactor existing codeEnglish and Polish level B2+Residence in Poland and eligibility to work hereNice to haveBasic knowledge of JavaScript (React)Experience with REST / Web Services (building or consuming APIs)Familiarity withOSGiorEclipse desktop applications🚀What we offerHealth & sports benefitsadjusted to your needsFreerunning and swimming trainings(Warsaw)Internal triathlon team and joint sports competitionsIndividual development paths to deepen your technical expertiseCyclical initiatives supporting growth in other IT domains, beyond your main stackApply today and grow with B3 🚀Originally posted on Himalayas

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 responsibilitiesIn 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 applicationEnhance existing functionalities and extend the system with new business contextsRefactor legacy code to build shared, reusable solutionsImplement new features mainly in Java SE, with occasional Java EE developmentIntegrate applications with databasesTake responsibility for code quality and testing (create and maintain unit tests; contribute to integration tests)🧠 What we’re looking forMust-haveCommercial experience with Java SE (Java 17) in a large codebaseExperience with Java EE / J2EE (WildFly, Hibernate)Database experience (PostgreSQL or Oracle)Unit testing experience (JUnit and/or Selenium)Ability to read, understand and refactor existing codeEnglish and Polish level B2+Residence in Poland and eligibility to work hereNice to haveBasic knowledge of JavaScript (React)Experience with REST / Web Services (building or consuming APIs)Familiarity withOSGiorEclipse desktop applications🚀What we offerHealth & sports benefitsadjusted to your needsFreerunning and swimming trainings(Warsaw)Internal triathlon team and joint sports competitionsIndividual development paths to deepen your technical expertiseCyclical initiatives supporting growth in other IT domains, beyond your main stackApply today and grow with B3 🚀Originally posted on Himalayas