Senior App Support Engineer – Hybrid London (12m FTC)

Third Nexus Group Limited is seeking a Senior Application Support Engineer to maintain enterprise ASP.NET MVC and legacy .NET applications in a London hybrid setting. The role covers production support, incident resolution, defect analysis and coordination with development and infrastructure teams.

The ideal candidate has strong experience with legacy web apps, frontend tech like jQuery, and ITSM tooling. The position is a 12-month fixed-term contract with potential for extension.