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Principal Software Engineer

Company

Harvey Nash

Location

london, england

Posted

June 13, 2026

Position Overview

I’m working with one of our major Financial domain clients based in Central London, and they’re looking for a Principal Software Engineer to join their team.

This role requires a highly skilled, hands-on professional who is passionate about technology and finance, experienced in working within a low-latency enterprise event-driven architecture hosted on AWS cloud, with expertise in C# .NET, React front end, and Java components.

The ideal candidate:

  • Has expertise with Java, C#, and/or React.
  • Has extensive experience working on high-performance trading systems for Equities, Futures, or Derivatives.
  • Is experienced with cloud technologies such as AWS, GCP, or Azure.
  • Has experience with CI/CD pipelines, automated testing frameworks, and agile methodologies.

If this sounds like an interesting opportunity, feel free to apply or send your CV to

Seniority level

  • Mid-Se...

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