Frontend Engineer (React / TypeScript)

Job Description

Job Description

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.

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.

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.

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.

Problem-solving mindset in complex, data-heavy contexts.

Collaborative and proactive in Agile teams.

Clear communication, clean documentation, thoughtful peer reviews.

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.