Senior React Engineer
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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:
✅ Strong React & TypeScript expertise
✅ Experience building real-time, data-intensive applications
✅ Deep understanding of browser performance, rendering, virtualisation and optimisation
✅ 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
Desirable experience:
🔹 Electronic Trading, Market Data or Low-Latency Systems
🔹 Solace, Kafka, Aeron or similar messaging technologies
🔹 AG Grid, Protobuf, FlatBuffers or SBE
🔹 FX, RFQ/RFS, Single Dealer Platforms or Order Management Systems
This is an opportunity to work on complex front-office systems where performance, scalability and user experience are critical.
Company Benefits
- Private Pension
- Private healthcare
- Hybrid working
- 25 days holiday
Interview Process
- x1 Client Test
- x2 Tech Interviews