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Senior Java Developer
  • Gdynia
Senior Java Developer
Gdynia, Gdynia, Pomeranian Voivodeship, Polska
Jit Team sp. z o.o.
22. 2. 2026
Informacje o stanowisku

technologies-expected :


  • Java
  • Spring Boot
  • Apache Kafka
  • Oracle
  • PL/SQL

technologies-optional :


  • Snowflake Data Cloud
  • dbt
  • Python

about-project :


  • Salary: 1000-1300 PLN/day on B2B
  • Work model: elastic hybrid from Gdynia (2-3 days per week from the office)
  • You will be involved in a financial project focused on streamlining payment flows compliant with ISO 20022 standards into a regulatory payment archive.
  • The project aims to ensure high-performance processing, regulatory compliance, and secure archiving of financial transactions within a modern, event-driven architecture.
  • You will work in Agile teams delivering scalable and reliable payment processing solutions in a regulatory environment.

responsibilities :


  • Developing backend services using Java and Spring Boot
  • Streamlining and optimizing payment flows into a regulatory payment archive
  • Implementing and maintaining high-performance Kafka-based event streaming solutions
  • Writing and optimizing database logic in Oracle and PL/SQL
  • Collaborating within Agile teams to deliver secure, compliant, and scalable financial systems
  • Designing and developing solutions for processing ISO 20022 payment messages

requirements-expected :


  • Strong experience in Java and Spring Boot
  • Solid hands-on experience with Apache Kafka, including performance tuning
  • Practical experience with Oracle databases and PL/SQL
  • Good understanding of ISO 20022 payment message structure
  • Experience working in Agile/Scrum teams
  • Strong analytical skills and ability to work in a regulatory/financial environment

offered :


  • 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

  • Praca Gdynia
  • Gdynia - Oferty pracy w okolicznych lokalizacjach


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