Senior C# Developer with Fintech experience

MARGO is seeking a Senior C# Developer to join a global financial institution. You will work within a distributed, international team focused on developing core systems for XVA, Liquidity, and Financial Resource Management, currently transitioning to a modern, event-driven architecture.

Key responsibilities

• Design and develop robust back-end systems using C# within a high-performance financial environment.
• Collaborate on the migration to a modern, event-driven architecture to support complex financial operations.
• Maintain high standards of clean code and software craftsmanship in an agile development setting.
• Work closely with front-office IT teams to deliver tools that support daily operations for hundreds of users.

Requirements

• Extensive professional experience in C# development, ideally within the fintech or financial services sector.
• Strong analytical and organizational skills with the ability to manage complex engineering challenges.
• High level of autonomy combined with excellent teamwork and communication abilities.
• Proactive approach to problem-solving and a strong commitment to maintaining high-quality code under time pressure.

What we offer

• Opportunity to work on critical financial systems in a global, distributed team environment.
• Engagement in a significant architectural transformation project using modern technologies.
• A culture that emphasizes professional growth, transparency, and accountability.
• Full remote work flexibility, allowing you to contribute from anywhere.