Senior Backend Engineer (FIX & Identity)

About the role

Avenga is an international engineering firm helping businesses operate with AI at the core. With 6,000+ experts worldwide, we combine engineering expertise with AI-native thinking to turn ambitious ideas into real-world impact across industries, technologies, and markets. Core skills you’ll bring 5+ years building backend systems, ideally in C#/.NET. Strong Java engineers are welcome too, and we will give you time to move to .NET Real experience with the FIX protocol on electronic trading platforms in fintech or capital markets Hands-on work with login and access control (OAuth2, OpenID…

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