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Senior C# Developer with Fintech experience

Margo group
Warsawfull_timePosted 25 May 2026

About the role

On behalf of our client – a global financial institution – we are looking for an experienced specialist for the position of Senior C# Developer.
ABOUT THE PROJECT & TEAM: You will join a distributed, international team responsible for the development of core systems in the areas of XVA, Liquidity, and Financial Resource Management. The project is currently at an exciting turning point – migrating to a modern, highly advanced event-driven architecture on the back-end side. The developed UI tools support the daily operations of hundreds of users in a dynamic market environment. We work in a collaborative, agile environment with a strong emphasis on clean code and software craftsmanship.

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Company

Margo group

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