Senior Python Backend Engineer — Real-Time Data for Trading

Company: Mustard Systems Ltd.
Apply for the Senior Python Backend Engineer — Real-Time Data for Trading
Location: Whitehall
Job Description:

Mustard Systems Ltd. in London builds data-driven trading software using Python, Go and JavaScript/TypeScript to deliver real-time insights. The role emphasizes fast delivery, ownership of features, and collaboration with traders and quants to solve real business problems.

You will design and implement low-latency data feeds, enhance system visibility, and work across teams in an agile environment. Hybrid work and a competitive compensation package are offered.

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Posted: September 14th, 2026