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December 18, 2025

Java Developer

Senior • Hybrid

$150 - $175/hr

Gdańsk, Poland

Information about the project:


Location: Gdańsk (hybrid - 3 x week in office)

Industry: Banking

Rate: 175 pln/h netto +VAT


Summary:


We are seeking an experienced IT Developer with a strong focus on Java, Kafka, and SQL Database Management Systems. The ideal candidate will have a proven track record in designing and optimizing high-throughput applications with experience in microservices architecture and clean coding practices. This role is crucial for delivering tasks for PIP Downtown, contributing to the success of our technical projects.


Main Responsibilities


  • Responsible for ensuring the smooth delivery of the SEK Batch.

  • Design and develop applications using Java.

  • Optimize Kafka producer and consumer code.

  • Utilize SQL and RDBMS such as Oracle, DB2, or MSSQL.

  • Build distributed and highly-available applications.

  • Implement domain-driven design and event sourcing architecture patterns.

  • Support the adoption of microservices architecture.

  • Maintain clean and efficient code.


Key Requirements


  • Senior expertise in Java.

  • Extensive experience in designing, developing, and optimizing Kafka applications.

  • Senior proficiency in SQL (Oracle, DB2, MSSQL or similar RDBMS).

  • Proven experience in building distributed and high-throughput applications.

  • Hands-on knowledge of domain-driven design and event sourcing.

  • Familiarity with microservices architecture.

  • Commitment to maintaining high standards of clean code.


Nice to Have


  • Experience in data engineering