Senior C# WPF Engineer - Modernize Risk Apps

JUXT; Greater London; On-site; GBP 90,000 - 120,000; Full time

Job summary

JUXT is seeking a Senior C# Engineer with extensive WPF experience to drive a major risk system replatforming programme. You’ll own key components, modernise legacy desktop applications and deliver robust, high-performance solutions within a banking-grade environment.

You’ll work across the full software lifecycle, emphasising automated testing, CI/CD, and rigorous code quality. Experience in risk, trading or financial markets is highly advantageous, with autonomy and stakeholder collaboration

Qualifications

• Strong C#/.NET and WPF development experience in enterprise-scale applications.
• Proven automated testing experience (NUnit/xUnit).
• History of modernising legacy desktop apps and delivering refactored components.

Responsibilities

• Design, develop and maintain high-performance C#/.NET and WPF applications.
• Modernise and refactor legacy desktop applications as part of a replatforming programme.
• Take ownership of workstreams and ensure quality through automated tests and CI/CD pipelines.

Skills

C#

WPF

.NET ecosystem

CI/CD

Automated testing

Legacy modernisation

Autonomy

Communication

Tools

NUnit/xUnit

Git

Visual Studio

CI/CD tools

Job description

JUXT is seeking a Senior C# Engineer with extensive WPF experience to drive a major risk system replatforming programme. You’ll own key components, modernise legacy desktop applications and deliver robust, high-performance solutions within a banking-grade environment.

You’ll work across the full software lifecycle, emphasising automated testing, CI/CD, and rigorous code quality. Experience in risk, trading or financial markets is highly advantageous, with autonomy and stakeholder collaboration