Senior C# / WPF Engineer for Risk System Modernization

JUXT; Greater London; On-site; GBP 90,000 - 150,000; Full time

Job summary

JUXT is seeking a Senior C# Engineer with strong WPF experience to join our risk system replatforming programme. You will own key desktop components, modernise legacy apps, and ensure performance, reliability and security in a mission-critical financial technology environment.

You will design across the full SDLC, build high‑quality WPF UIs, contribute to CI/CD pipelines, automated testing, and production support.

Qualifications

• Experience delivering enterprise C#/.NET desktop applications.
• Strong WPF UI development for complex dashboards.
• Proven testing strategy including unit/integration/UI tests.

Responsibilities

• Design, develop and maintain high-performance C#/.NET and WPF applications.
• Modernise and refactor legacy desktop applications as part of the replatforming programme.
• Take ownership of individual components and workstreams.

Skills

C# / .NET

WPF

Testing

CI/CD

Financial markets experience

Tools

NUnit

xUnit

Job description

JUXT is seeking a Senior C# Engineer with strong WPF experience to join our risk system replatforming programme. You will own key desktop components, modernise legacy apps, and ensure performance, reliability and security in a mission-critical financial technology environment.

You will design across the full SDLC, build high‑quality WPF UIs, contribute to CI/CD pipelines, automated testing, and production support.