Java Backend Developer – Open Banking

Java Backend Developer – Open Banking
Location: Luxembourg
Contract: Freelance (3-month renewable contracts, mission expected to last minimum 12 months)
Language: English & French (fluent)


About the Role
Join the Digital IT department of a leading Luxembourg bank and become part of the Open Banking team. We deliver innovative financial platforms and digital banking features through Agile, self-organized product teams. You will work on strategic projects for Open Banking and Open Finance, maintaining our current platform and building new services that comply with PSD2 regulations.


Your Responsibilities
  • Analyze business needs and translate them into technical solutions
  • Design and develop secure APIs and microservices using Java 17+ and Spring Boot
  • Implement features aligned with Berlin Group NextGenPSD2 standards
  • Write automated tests (TDD/BDD) and ensure code quality
  • Collaborate in Agile ceremonies and share knowledge within the Dev Community
  • Support Third-Party Providers (TPPs) and troubleshoot integration issues
  • Contribute to CI/CD pipelines and DevOps practices

Your Profile
  • Minimum 5 years of experience in IT development
  • Strong expertise in Java 17+, Spring Boot, and microservices architecture
  • Proven banking experience (mandatory)
  • Knowledge of PSD2, Open Banking concepts, and Berlin Group standards
  • Familiarity with TDD/BDD, DevOps, and CI/CD tools
  • Fluent in English and French (spoken and written)
  • Passionate about software craftsmanship and continuous improvement

Nice to Have
  • Experience with OAuth2, eIDAS certificates, and secure API design
  • Understanding of enterprise architecture and event-driven systems
  • Previous experience on Open Banking projects (major advantage)
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Summary

Job Type
Contract
Industry
Banking
Location
LUXEMBOURG
Specialism
Software Development
Pay
Based on experience
Ref:
1438918

Talk to a consultant

Talk to Hamdi Calici, the specialist consultant managing this position, located in Luxembourg
Hays, 65 Avenue de la Gare

Telephone: +35226865446