Market Data Engineer: Scale, Performance & Refactor

Company: Saragossa
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Job Description:

Saragossa is hiring a Software Engineer to work on the Market Data platform in the UK. You will contribute to building and maintaining the data systems that power major financial clients, with a focus on performance and scalability.

The tech stack is currently C# with a migration to Python, using SQL Server and moving toward PostgreSQL. You’ll analyze existing code, refactor, optimise, and help the platform evolve while delivering reliable production systems.

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Posted: October 1st, 2026