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September 2, 2026

Post-Trade Systems Engineer

Mid • On-site

100 - 110 PLN/yr

Gdańsk, PM, Poland

Responsibilities

  • Work with business stakeholders to understand requirements, clarify priorities and define a clear scope for delivery.
  • Design solutions together with the team and document decisions so they are easy to understand, maintain and evolve.
  • Implement changes through Calypso configuration and, when needed, development, including Java, integrations and automation.
  • Plan and execute functional testing and UAT with stakeholders, and continuously improve quality and test automation where possible.
  • Troubleshoot and resolve production issues, drive root-cause analysis and implement improvements to prevent recurrence.

Requirements

  • Relevant experience in financial markets and post-trade securities settlement.
  • Experience combining analysis, solution design and hands-on implementation.
  • Hands-on experience delivering changes in an IT development setup, agile or hybrid, from idea to production.
  • Ability to understand system architecture and make sound design choices that balance functionality, performance and maintainability.
  • Very good command of spoken and written English.

Nice to have

  • Experience with the Calypso application.
  • Java development and/or integration experience.

Offer

  • Private medical care.
  • Co-financing for the sports card.
  • Constant support from a dedicated consultant.
  • Employee referral program.

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