Senior Java Developer

Salary: 900-1200 PLN/day on B2B

Work model: hybrid from Gdynia / Gdańsk / Warszawa  (3 days per week from the office)

 

Why choose this offer?


  • You can expect a flexible work organization
  • The international work environment will give you the opportunity to interact with the English language on a daily basis
  • Scandinavian organizational culture will provide you with work-life balance, you will gain time for additional training (financed by Jit)
  • The Jit community will bring you a nice time during regular integration meetings

 

Project


You will be involved in a financial project within the Cards Technology domain, focused on the design, development, and maintenance of Java applications supporting business services. You will join an agile environment that promotes innovation, collaboration, experimentation, and continuous growth while contributing to the development of financial solutions of tomorrow.

 

 

Responsibilities you'll have

  • Designing, developing, and maintaining Java applications
  • Collaborating within an Agile team and ART
  • Working with internal and external stakeholders
  • Troubleshooting and resolving issues in existing applications
  • Optimizing application performance and ensuring high code quality
  • Creating technical documentation for developed functionalities

 

Expected competences and knowledge

  • Minimum 5 years of Java software development experience
  • Practical knowledge of microservices architecture, clean code, and continuous integration
  • Hands-on experience with Java 8+, Spring Framework, Spring Boot, and SQL
  • Good understanding of REST API design
  • Experience with CI/CD tools such as Bitbucket and Jenkins
  • Experience working in Agile, Scrum, or SAFe environments

Nice to have:

  • C++ development experience
  • Experience with AI-assisted development tools (e.g. GitHub Copilot)
  • Familiarity with test automation concepts, tools, and best practices
  • Kafka
  • Front-end technologies: JavaScript, Angular, or React
  • Spring WebFlux
  • Docker, Kubernetes
  • Experience in the financial industry

 

Technologies you'll work with


  • Java 8+
  • Spring Framework, Spring Boot
  • SQL
  • REST APIs
  • Bitbucket, Jenkins
  • Agile, Scrum
  • SAFe
  • Microservices architecture
  • CI/CD
  • Clean Code

 

Client – why choose this particular client from the Jit portfolio?


Jit Team has had an over-decade-long relationship with the leading financial group in the Nordic countries, and we are privileged to be our client's premier partner in Poland. At present, over 200 Jit personnel are engaged in the completion of more than 60 projects for this Norwegian major provider of financial services with a global presence and a strong focus on modern technology. Our customer's work atmosphere is epitomized by the Scandinavian culture, which is conducive to people who place emphasis on work-life balance and feedback culture. Furthermore, all projects are executed in international teams, giving constant exposure to the English language.

 

About Jit Team


The Human Factor of IT - it’s not just a slogan, it’s a philosophy. The foundation of Jit Team is people, which is why we prioritise you. We employ over 770 experienced experts, to whom we offer developmental projects, a wide range of benefits, and a proprietary professional development programme. Together with clients from around the world, we create innovative IT solutions delivered by highly specialised and efficient teams.

Behind our maxim are also charitable and educational activities. We support schools, universities, and educational institutions by conducting workshops, running educational projects, sponsoring events, and donating learning equipment. We offer internships that help launch careers in IT. We support water rescuers and hospitals by providing the necessary equipment. We also support numerous charitable organisations helping people in need, children, and the elderly. We are a Polish company and we share what we have achieved over more than 15 years of activity. By supporting local initiatives, we contribute to the circulation of good energy.

ID: 5140 job_post.published_on: 06/10/2026
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