Senior React Engineer

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.