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December 17, 2025

Senior Java Developer

Senior • Hybrid

$175 - $175/hr

Gdynia, Poland

Industry: Banking

Rate: up to 175 pln/h net + VAT, B2B

Location: Gdynia - hybrid model (2 days per week at the office)


The primary purpose of this role is to lead the backend development of Java-based applications and microservices.

This position involves close collaboration with business stakeholders and the application of technical expertise to enhance existing systems and deliver new features within a highly collaborative Agile environment.


RESPONSIBILITIES:

  • Participate in designing backend for home journey applications.

  • Engage with business stakeholders to understand their needs and expectations.

  • Develop new features in backend applications using Java 17/21 and Spring Framework 6/7.

  • Regularly review code and propose improvements and refactorings.

  • Conduct various testing processes including unit, secure, and performance testing.

  • Utilize tools like Jetbrains IntelliJ, Git, Bitbucket, SonarQube, Maven, Jenkins, and Artifactory in development.

  • Contribute to CI/CD platform and coordinate technical release activities when necessary.


REQUIREMENTS:

  • Over 5 years of experience with Java 17 and 21.

  • Proficient with Spring Framework (3.x necessary, 4.x preferred).

  • Experience with RESTful Web Services and APIs.

  • Familiarity with event-driven architecture, particularly Apache Kafka.

  • Proficient in SQL with hands-on experience managing Oracle databases.

  • Experience in a multi-microservice environment.

  • Strong understanding of Design Patterns, Clean Code principles, and SOLID principles.

  • Hands-on experience with CI/CD tools.

  • Aptitude for mentoring and training colleagues in Pega CLM/KYC.


NICE TO HAVE:

  • Strong coding capabilities and a proactive approach to tackling challenging technical projects.