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September 16, 2026

Senior Java Developer

Senior • On-site

19,950 - 23,730 PLN/yr

Poznań, Pl-30, Poland

Quick Facts

  • Hybrid work model
  • Location: Poznan (Poland)

Description

Build and optimize sales technology for banking systems through innovative software development. As a Senior Java Developer, you will develop Java and Python components, integrate with local and global banking platforms using RabbitMQ and Kafka, and support the end-to-end feature lifecycle.

Responsibilities

  • Develop, modify, and optimize sales system components using Java and Python
  • Collaborate in testing, analyzing, and implementing new features across the product lifecycle
  • Enhance system integrations with local and global banking platforms using Java, RabbitMQ, and Kafka
  • Prepare detailed technical documentation for system changes and development processes
  • Build and maintain cohesive and scalable system architecture
  • Ensure the stability and security of system integrations and data exchanges

Requirements

  • Over 7 years of experience in Java development
  • Strong knowledge of sales systems or banking solutions
  • Expertise in Java, Spring, Oracle databases, and RabbitMQ
  • Working knowledge of Python and PostgreSQL
  • Experience with Kafka and system integration projects
  • Good command of Polish and communicative English
  • Existing legal right to work in the European Union

Benefits

  • Significant career growth opportunities in financial technology

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