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DCG

Senior Java Developer

DCG Show all offers
Gdańsk
Kraków
Warszawa
Gdynia
Expires Oct 5, 2026
2 months ago

In short

Senior Java Developer in Gdańsk. Design, develop, test & support backend integration solutions & microservices for a banking platform. Requires 5+ years Java backend experience, Spring Boot, SQL, messaging, REST, Git & CI/CD. Benefits include private medical care & sports card.

Keywords

Java Spring Boot SQL Microservices REST Kafka IBM MQ Git CI/CD JIRA

AI-written summary based on the listing content.

As a recruitment company, DCG understands that every business is powered by experienced professionals. Our management style and partnership approach enable us to meet your needs and provide continuous support. Due to our ongoing growth and the large number of recruitment projects we undertake for our partners, we are currently looking for: Senior Java Developer Industry: Banking

Responsibilities:

Design backend integration solutions for Safekeeping and Corporate Actions platform

  • Develop Java-based microservices and integration components
  • Test, deploy and support backend services in production
  • Modernise and rearchitect existing codebase due to scope expansion
  • Analyse business and system flows and clarify requirements
  • Prepare and support test cases when needed
  • Document system dependencies and data flows
  • Support deployment planning and orchestration
  • Troubleshoot production issues and analyse logs and data flows
  • Participate in Scrum processes using JIRA
  • Contribute to knowledge sharing and development standards
  • Support growth and mentoring of other developers
  • Collaborate across development, analysis, QA and infrastructure teams Requirements:

Minimum 5 years of Java backend experience (Senior) or 10 years (Expert)

Strong experience in large-scale enterprise environments

Spring Boot and Spring IntegrationSQL and relational databases (preferably Oracle)

Experience with messaging and event-driven integration (IBM MQ, Kafka preferred)

Experience with REST services, microservices and integration patterns

  • Maven, Git and CI/CD pipelines
  • Automated testing with JUnit and Testcontainers
  • Ability to analyse requirements, system flows, logs and production issues
  • Fluent English
  • Nice to have:

Experience in banking or trading domain

Experience with cloud-ready application design

Experience in modernising integration in regulated domains (custody, settlement, corporate actions)

Experience with containerisation and integration with legacy systems or vendor platforms

Experience with test automation, static code analysis and AI-assisted development tools Offer:

Private medical careCo-financing for the sports card

Constant support of dedicated consultant

Employee referral program
Published 2026-07-07
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