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September 19, 2026

Senior Java Developer

Senior • On-site

312,000 - 395,200 PLN/yr

Warsaw, Poland

Quick Facts

Senior Java Developer for a long-term transformation program in the financial/insurance sector, working in a microservices ecosystem (hybrid: 3 days in office, 2 days remote).

Description

Design, develop, and maintain microservices-based applications and integrate Java/Spring solutions with Kafka and Angular. Implement business processes using BPMN, collaborate with architects and business stakeholders, monitor and optimize performance, and use AI-enabled tools to support development.

Responsibilities

  • Design, develop, and maintain applications in a microservices architecture
  • Build and integrate solutions using Java, Spring Boot, Kafka, and Angular
  • Contribute to efficient, scalable, and resilient system design
  • Implement business processes using BPMN
  • Collaborate with architects, analysts, and business representatives
  • Use AI tools that support the software development process
  • Monitor and optimize performance of deployed solutions

Requirements

  • Minimum 5 years of commercial Java experience
  • Minimum 5 years with Spring Framework, Spring Boot, and Spring Cloud
  • Minimum 3 years with Apache Kafka
  • Very good SQL knowledge
  • Experience creating frontend applications with Angular
  • Knowledge of testing frameworks (JUnit, TestNG, Spock)
  • Experience with integration tests (Testcontainers, WireMock)
  • Knowledge of OOP and FP programming
  • Knowledge of application containerization
  • Experience with process engines and BPMN notation
  • Knowledge of resilience patterns and mechanisms in distributed systems
  • Ability to work with AI tools supporting development
  • Knowledge of tools for diagnosing and analyzing application performance

Benefits

  • Long-term collaboration within a strategic transformation program
  • Work with an experienced team of technology and business experts
  • Modern technology stack and AI-related solutions
  • Private medical care (LuxMed)
  • Multisport sports card
  • Real impact on products used by millions of customers

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