Senior C# Developer with Fintech experience

margo-group· Polska Team
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📍 WarsawPermanent contract & B2B💰 PLN 170–230

About this 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.

Frequently Asked Questions

What is the salary for the Senior C# Developer with Fintech experience role at margo-group?
The listed salary for this Senior C# Developer with Fintech experience position at margo-group is PLN 170–230. This is an Permanent contract & B2B role.
Where is the Senior C# Developer with Fintech experience position at margo-group located?
This Senior C# Developer with Fintech experience role at margo-group is based in Warsaw. The position is listed as on-site or hybrid. Check the full job description or apply directly to confirm the work arrangement.
Is the Senior C# Developer with Fintech experience role at margo-group full-time or part-time?
This is listed as a Permanent contract & B2B position. It is posted as a Senior C# Developer with Fintech experience role in the Polska Team department at margo-group.
Which team or department does the Senior C# Developer with Fintech experience at margo-group belong to?
This Senior C# Developer with Fintech experience position is part of the Polska Team department at margo-group. See the full job description for more information about the team structure and responsibilities.
How do I apply for the Senior C# Developer with Fintech experience position at margo-group?
Click the "Apply Now" button on this page. You will be redirected to margo-group's official application portal hosted on lever where you can submit your application directly.
When was the Senior C# Developer with Fintech experience job at margo-group posted?
This Senior C# Developer with Fintech experience position at margo-group was posted on May 25, 2026. Apply as soon as possible — early applications are often reviewed first.
Senior C# Developer with Fintech experience
margo-group · 💰 PLN 170–230
Apply for this role ↗

You'll be redirected to margo-group's official application page on Lever.