C# Developer WPF – Front Office

Company: Client Server
Apply for the C# Developer WPF – Front Office
Location: London
Job Description:

Overview

As a senior, hands-on C# Developer, you will build sophisticated WPF front-end UIs for real-time, high-performance trading. You’ll partner with traders in a Front Office setting to translate requirements into robust, scalable solutions within a global engineering team. This role offers direct trader interaction and visible impact on the trading desk, with opportunities to contribute to platform enhancements and technological excellence.

Pay / Benefits

  • salary up to 125k + bonus
  • pension
  • life assurance
  • one day work from home per week
  • healthcare
  • employee assistance programme (EAP)

Responsibilities

  • Develop and enhance front-end UI using C# and WPF for real-time trading scenarios
  • Collaborate with traders to capture requirements and translate them into robust solutions
  • Work within a global engineering team (London and New York) to deliver across the trading desk
  • Contribute to platform improvements and performance optimizations for equities and options trading
  • Interface with traders to understand business needs and deliver impactful tech outcomes

Key requirements

  • Strong C# and WPF development experience
  • Experience working with traders in Front Office trading environments
  • Excellent communication and stakeholder management
  • Solid knowledge of CS fundamentals (OOP, Design Patterns, Data Structures)
  • Degree in Computer Science or similar STEM discipline
  • communication
  • stakeholder management
  • team collaboration
  • C#
  • WPF
  • front office trading experience

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Posted: September 24th, 2026