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November 4, 2026

Senior Java Developer

Senior • On-site

21,000 - 25,200 PLN/yr

Warsaw, Poland

Quick Facts

  • Role: Senior Java Developer (backend)
  • Work model: Hybrid (3 days in the office)
  • Domain: Corporate banking / large-scale loan calculation

Description

You will build secure, scalable, high-performance backend solutions for a mission-critical financial application. The work centers on microservices and modern Java features, delivering technical implementations for a system that calculates large-scale loans for corporate clients and public institutions. You will regularly deliver increments and support releases, including L1/L2/L3 production issue handling with technical fixes.

Responsibilities

  • Develop code following Software Craftsmanship best practices and quality standards
  • Understand business requirements and define technical solutions
  • Deliver product increments regularly
  • Collaborate closely with the Paris-based development team (remote)
  • Execute release processes and provide L1/L2/L3 support for production issues, implementing fixes
  • Identify and propose solutions to ensure security, scalability, and efficiency
  • Analyze errors and support continuous improvement initiatives

Requirements

  • 5+ years of Java backend development experience
  • Experience with Spring and Spring Boot
  • Practical knowledge of hexagonal architecture
  • Familiarity with Jenkins and Maven
  • Experience with relational databases and SQL
  • Understanding of web services
  • Knowledge of Agile and BDD practices
  • Fluency in English

Benefits

  • Hybrid work model: 3 days onsite
  • International collaboration on a mission-critical financial platform
  • Work on secure and high-performance enterprise backend systems

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