Senior C++ Engineer – Low-Latency FinTech (Remote UK)

Company: Reactive Markets Limited
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Job Description:

Reactive Markets Limited in the United Kingdom is seeking a Senior C++ Software Engineer to shape the technical direction of our Switchboard trading platform. You will work on pricing engines, connectivity gateways, market-data systems, and the messaging layer with a direct influence on architecture.

This role requires ownership from design to production, mentoring juniors, and upholding reliability across production systems.

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Posted: July 26th, 2026