Senior Java Developer

Java

Senior Java Developer

Java
., Warszawa +2 Locations

Jit Team

Full-time
B2B
Senior
Hybrid
5 381,84 - 6 458,21 USDNet per month - B2B

Job description

Salary: 1000-1200 PLN/day on B2B

Work model: hybrid from Gdynia / Gdańsk / Warszawa / Łódź (2-3 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 focused on modernizing corporate digital banking services and building a new online banking platform for corporate customers. The project aims to replace a legacy corporate netbanking system with a modern digital channel that improves payments, account management, liquidity overview, employee administration, and permissions management. The environment includes both microservice and monolithic architectures, with a strong focus on API development, Domain-Driven Design (DDD), reactive programming, and resilient system architecture.

 

Responsibilities you'll have

  • Developing and enhancing backend services and APIs for corporate banking solutions
  • Building new features that modernize banking services related to accounts, payments, file transfers, and international/local financial services
  • Maintaining and improving systems within microservice and monolithic architectures
  • Collaborating with developers, product owners, architects, analysts, and QA teams to deliver business solutions
  • Implementing scalable and resilient solutions using DDD, port-adapter architecture, and reactive programming
  • Supporting maintenance, compliance, and continuous improvement of essential banking services

 

Expected competences and knowledge

  • Strong hands-on experience in Java development (preferably 6+ years)
  • Experience in building API solutions and working with REST services
  • Familiarity with reactive programming and distributed systems
  • Practical knowledge of Spring, Hibernate, SQL, Microservices, Git, and Cucumber
  • Understanding of SOLID principles, design patterns, and clean architecture concepts (DDD / Port-Adapter)
  • Experience working in Agile/SAFe environments and strong English communication skills

 

Technologies you'll work with


  • Java
  • Spring Framework / Spring Boot
  • Hibernate
  • SQL
  • REST APIs & Microservices
  • Reactive Programming (e.g., Reactor/WebFlux)
  • Git
  • Cucumber
  • Angular (basic frontend exposure, nice to have)
  • Jasmine (nice to have)

 

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.

Tech stack

    Hibernate

    advanced

    Java

    advanced

    SQL

    advanced

    Spring

    advanced

    Reactive Programming

    junior

Office location

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