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Senior Backend Java Developer w Pomorskie, Polska - Jobeax

Senior Backend Java Developer w Pomorskie, Polska is listed on Jobeax. Browse 120,000+ vacancies available.

Salary: 1000-1300 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

We are looking for a Senior Backend Java Developer to join a team responsible for developing and maintaining applications that support tax processing, account management, and investment operations for pension and savings products. The role focuses on modernizing existing platforms and delivering scalable backend solutions using the latest Java ecosystem technologies.

Responsibilities You'll Have

Lead application modernization activities, including upgrades to Java 17+/Java 21 and Spring Boot 3.3.x
Design, develop, and maintain Java-based applications supporting savings and investment products
Build and enhance calculation engines that ensure compliance with tax regulations across multiple countries
Implement solutions supporting complex business processes, integrations with tax authorities, and customer reporting
Participate throughout the entire software development lifecycle, from requirements analysis and design to development, testing, and deployment
Collaborate with business stakeholders and financial analysts to translate business requirements into technical solutions
Contribute to system architecture discussions and technical improvements

Expected competences and knowledge

Several years of experience as a Senior Java Developer
Strong expertise in Java development
Excellent knowledge of Spring Boot
Hands-on experience with application modernization and migration projects
Practical experience working with Java 21
Strong understanding of relational databases and SQL, particularly PostgreSQL
Experience with messaging technologies such as JMS and MQ
Knowledge of OpenAPI and AsyncAPI specifications
Experience with Git and modern CI/CD practices
Solid understanding of software design patterns and object-oriented programming principles
Strong communication skills and ability to work in a collaborative environment

Technologies you’ll work with

Java 21
Spring Boot 3.3.x
Hibernate
PostgreSQL
JMS
MQ
OpenAPI
AsyncAPI
Git
CI/CD

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.

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