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Senior Calypso Developer

Talan


Job Location:

Poznań - Poland

Monthly Salary: Not provided by the employer
Posted: 3 October 2026 (12 hours ago)
Application Deadline: 31 December 2026
Vacancies: 1 Vacancy

Job Summary

 

Location: Wrocław Poland (On-site)
Relocation: Candidates located elsewhere in Poland are welcome to apply and should be open to relocating to Wrocław.

About the Opportunity

We are looking for a Senior Calypso Developer to join a newly formed technology team supporting the Capital Markets operations of a leading European banking organization.

This is a unique opportunity to help build a team from the ground up and play a key role in the evolution support customization and enhancement of a large-scale Calypso environment used across Front Office Middle Office Risk and Back Office functions.

The role also offers long-term project stability exposure to complex financial products and the possibility of future internalization with the client after a certain period of collaboration.

Responsibilities

  • Design develop and maintain Calypso customizations and integrations.
  • Support production and business-critical Capital Markets activities.
  • Collaborate with business stakeholders analysts support teams and architects.
  • Develop Java-based solutions within the Calypso ecosystem.
  • Optimize performance troubleshoot incidents and implement enhancements.
  • Mentor junior team members and contribute to technical best practices.
  • Participate in system upgrades and strategic platform initiatives.

Qualifications :

Requirements

  • 6 years of software development experience.
  • Strong hands-on experience with Calypso.
  • Solid Java development background.
  • Experience with Oracle/SQL databases.
  • Understanding of Capital Markets and financial products.
  • Experience with integrations APIs messaging systems or event-driven architectures.
  • Ability to work directly with business and technical stakeholders.
  • Fluent English: C1

Nice to Have

  • Experience in investment banking environments.
  • Calypso upgrade or migration projects.
  • Linux/Unix administration knowledge.
  • Exposure to DevOps and CI/CD practices.

Additional Information :

What do we offer you

  • Onsite set up in Wroclaw Poland
  • Training and career development 
  • Benefits and perks such as private medical insurance lunch pass card MultiSport Plus card
  • Possibility to be part of a multicultural team and work on international projects 

If you are passionate about data development & tech we want to meet you!

Talan Spains commitment to non-discrimination based on gender race ideology or any other reason in accordance with the companys Equality Plan and the current regulations on gender equality between women and men (Royal Decree-Law 6/2019).


Remote Work :

No


Employment Type :

Full-time


About Company

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Talan is an international consulting and technology expertise group that accelerates the transformation of its clients by leveraging innovation, technology, and data. For over 20 years, Talan has been advising and supporting businesses and public institutions in the implementation of ... View more

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