Senior .NET / React Developer - Global Markets
Inside IR35 Contract Role - London - Up to £850 per day
About the Role:
We are currently seeking an experienced Senior .NET Developer to join a leading global financial institution in London. This is a 6-month contract with strong likelihood of extension, working on critical desktop applications within their Global Markets technology team.
Key Responsibilities
* Enhance and maintain two business-critical desktop applications:
* A desktop application launcher/management system built with WPF and .NET
* A background business alerting application that processes system events
* Develop new React admin screens as part of extending these applications to new business units
* Participate in architecture improvements to support broader deployment
* Work closely with a small, collaborative development team
Technical Requirements
* Strong experience with .NET development and React
* Familiarity with event processing systems and messaging architectures
* Ability to work across both frontend and backend development
The Ideal Candidate Will Have
* Strong understanding of event-driven architectures
* Experience with asynchronous programming and multi-threading
* Exposure to financial services applications (though deep domain knowledge is not required)
* Ability to work independently in a small team environment
Work Environment
* Hybrid working arrangement: 50% office time (3 days one week, 2 days the next)
* Small, collaborative team of 3 developers based in London
Contract Details
* Day rate: Up to £850 per day
* Duration: 6 months initial term with expected extensions
* Location: London office
If you're an experienced .NET developer looking for a varied and technically challenging role within financial technology, we'd love to hear from you.