Frontend Engineer (React/TypeScript)

Location: Remote (Europe) Employment: Full-time 🌐 About Our Client Our client is building a cutting-edge AI-powered cryptocurrency trading platform . The product delivers automated trading bots (DCA, Grid, Quantum), portfolio management tools, real-time market data, and multi-exchange integrations (Binance, Bybit, OKX, and others). Their mission: to provide institutional-grade trading capabilities with consumer-grade UX — making advanced trading accessible, fast, and reliable. 💻 What You’ll Do As a Frontend Engineer, you’ll be at the center of creating an intuitive, high-performance trading experience: Ship real-time trading features in React 18+ with TypeScript. Design data flows with Redux Toolkit, Redux-Saga, and React Query (caching, optimistic updates, real-time sync). Integrate APIs & live feeds via REST + WebSockets for order books, balances, and notifications. Craft responsive UIs with Tailwind CSS + Styled Components, ensuring a seamless mobile-first experience. Deliver rich visuals like candlestick charts, P&L dashboards, and live market visualizations using ApexCharts or similar. Optimize performance with code-splitting, lazy loading, bundle budgets, and profiling. Implement secure auth flows (JWT, OAuth, 2FA) and manage exchange API keys safely. Contribute to internationalization (13+ languages, including RTL). Raise the bar by mentoring peers, reviewing code, and shaping front-end architecture. 🧑‍💻 You’ll Be a Strong Fit If You Have Solid expertise in React (18+) + TypeScript and modern ES2020+. Hands-on experience with Redux Toolkit, Redux-Saga, and React Query in production. Proven work on real-time systems (WebSockets, live market data, large datasets). Experience with charting libraries (ApexCharts, Highcharts, D3, etc.) including live updates. Strong understanding of performance optimization . Awareness of secure authentication flows and API key management. Leveling guidance: Mid-level: ~3–5 years React/TS experience. Senior-level: 5+ years with architectural or product-wide impact. 👉 Impact > years of experience: if you can demonstrate senior-level contributions, you’ll be considered at that level. ✨ Bonus Skills Trading/fintech background (order forms, risk, real-time systems). Testing with Jest + React Testing Library. Familiarity with CI/CD pipelines. Monitoring/analytics (Sentry, Datadog, PostHog). Experience with PWAs or Web3/wallet integrations. 🤝 What Makes You Stand Out Problem-solving mindset in complex, data-heavy contexts. Collaborative and proactive in Agile teams. Clear communication, clean documentation, thoughtful peer reviews. 📈 What Success Looks Like You’ll deliver high-impact features for a global trading audience, ensure the platform is fast, reliable, and secure , and shape the front-end architecture of a product scaling at speed.