Senior React Developer

Crawley, England, United Kingdom • Posted June 05, 2026

Job Type: Full-time

Location: Crawley, England

Posted: June 05, 2026

Category: Computer Occupations

Application Deadline: July 15, 2026

Role Description

Senior Full-Stack Engineer – Trading Platform (TypeScript / Node.js / React)
Location: Waterloo, London (Hybrid)
Overview
Our client, a large enterprise, is seeking a Senior Full-Stack Engineer to join an established trading platform programme. This production-critical system is long-lived, actively evolving, and places strong emphasis on performance, reliability, and maintainability.
You will join a highly experienced team of senior engineers and QA developers, taking full ownership of features from design through to production, while collaborating directly with the client.
Key Responsibilities
Design, build, and maintain features across the full stack of a high-performance trading platform.
Work primarily with:TypeScript (Node.js & React)Monorepo tooling, GitHub, GitHub ActionsJest, PlaywrightRedis, MS SQL, WebSocketsDocker, KubernetesObservabi...
                

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