Senior React Developer

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 Actions
  • Jest, Playwright
  • Redis, MS SQL, WebSockets
  • Docker, Kubernetes