Senior React Engineer
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Summary
Senior React engineer building high-performance, real-time trading and market data front-office applications at a financial markets technology team in London (hybrid). Day-to-day work centres on data-intensive UIs using React, WebSockets/streaming, and low-latency messaging tech like Kafka, Solac or Aeron.
Senior React Engineer | Electronic Trading Technology | London Hybrid
We're hiring a Senior React Engineer to join a leading financial markets technology team building high-performance trading and market data applications used globally.
We're looking for engineers with:
- Experience building real-time, data-intensive applications
- Experience with WebSockets, streaming data and event-driven architectures
- Strong testing practices (Playwright, Cypress, Selenium etc.)
- Ability to work across the stack and collaborate closely with backend teams
- Electronic Trading, Market Data or Low-Latency Systems
- Solace, Kafka, Aeron or similar messaging technologies
- AG Grid, Protobuf, FlatBuffers or SBE
This is an opportunity to work on complex front-office systems where performance, scalability and user experience are critical.