React Developer (43406)

As a React Developer, you will contribute to the development and expansion of a customer-facing FX single deal trading platform used by thousands of clients. You will work with high-volume real-time data, ensuring high performance and reliability across the application. The role requires strong expertise in React, strict TypeScript, GraphQL, modern testing practices, and software architecture, together with the ability to drive architectural decisions and lead large-scale refactorings across a shared codebase.

🚀 Project
- development and expansion of a customer-facing platform for FX (foreign exchange) single deal trading used by thousands of clients
- working with high-volume real-time data with a strong focus on performance and reliability in data processing and presentation
- collaboration within a 20-member team distributed between Prague and London

🎯 Skills
- extensive proficiency in React and strict TypeScript programming, including custom hooks, advanced component patterns, performance optimisation, error boundaries, and context architecture
- experience with TanStack React Query and Apollo Client (GraphQL) for server state management
- considerable knowledge of Design Patterns, testing practices (Vitest and React Testing Library), and code quality principles
- experience with Playwright for component and E2E testing, including test architecture, fixture design, and API mocking strategies
- ability to independently drive architectural decisions, lead large-scale refactorings, and establish patterns across a shared codebase
- English at C1 level

💡 Nice to have
- experience with Vite, pnpm monorepos, and micro-frontend architecture
- experience with AG Grid, React Hook Form, and Zod schema validation
- knowledge of DevOps tools (CI/CD pipelines, containerisation with Docker and Kubernetes)
- UX sensibility with the ability to make pragmatic UI and accessibility decisions
- scripting and automation skills covering CI workflows, tooling, and code generation