React Developer – High‑Performance FX Trading Platform

About the role

You will help develop and expand a customer‑facing FX single‑deal trading platform used by thousands of clients. The role involves working with high‑volume real‑time data, ensuring the application is fast, reliable, and easy to use.

Key responsibilities

• Design, implement and optimise new features for the trading platform.
• Handle high‑throughput real‑time data streams while maintaining performance and reliability.
• Drive architectural decisions and lead large‑scale refactorings across a shared codebase.
• Collaborate with a 20‑member distributed team in Prague and London.

Required profile

• Extensive experience with React and strict TypeScript, including custom hooks and advanced component patterns.
• Strong knowledge of GraphQL, TanStack React Query and Apollo Client for server‑state management.
• Proficiency in modern testing practices (Vitest, React Testing Library, Playwright) and code‑quality principles.
• Ability to independently make architectural decisions and establish coding patterns.
• English at C1 level.

Required skills

• React
• TypeScript
• GraphQL
• TanStack React Query
• Apollo Client
• Vitest
• React Testing Library
• Playwright
• Vite (nice to have)
• pnpm
• Monorepos
• Micro‑frontend architecture
• AG Grid
• React Hook Form
• Zod
• Docker
• Kubernetes
• CI/CD pipelines
• Scripting/automation for CI workflows