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Selby Jennings

Senior C# Software Engineer - Trade Processing Systems

Selby Jennings
United Kingdom · Full-time · Mid-Senior

Senior C# Software Engineer - Trade Processing Systems

A global multi‑strategy investment firm is seeking a highly skilled C# Software Engineer to join its Post‑Trade and Transaction Systems team. This group builds the core platforms that drive trade processing, regulatory reporting, and operational workflows across a large‑scale, high‑performance trading environment.

You'll work on high‑volume distributed systems, cloud‑native services, and modern .NET technologies, shaping the reliability and scalability of critical post‑trade infrastructure.

Key Responsibilities

  • Build and enhance scalable, multi‑tier systems supporting post‑trade and transaction workflows.
  • Take full ownership of services and components across the development lifecycle.
  • Influence architectural direction and contribute to robust, risk‑aware engineering practices.
  • Support and optimise production environments while driving long‑term platform improvements.

Technical Requirements

  • 8+ years of enterprise software engineering experience.
  • Current, hands‑on experience within financial markets is essential, ideally across Equities, Fixed Income, or Commodities. Prior post‑trade exposure is especially valuable.
  • Deep expertise in C#, .NET Core, multithreading, and object‑oriented design.
  • Strong knowledge of messaging technologies such as Kafka or Solace.

Please apply for more information.

Key Skills

Ranked by relevance

c kafka
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Posted
Jan 23, 2026
Type
Full-time
Level
Mid-Senior
Location
London

Industries

Financial Services

Categories

Engineering Finance Information Technology

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