Senior Frontend Developer (USA time zone)
- Рівень:
- senior
- Джерело:
- djinni.co
Що робити
- Own frontend feature delivery across trading interfaces, analytics dashboards, and internal ops tools — from component architecture to production;
- Build and optimize WebSocket-driven UIs connected to a high-throughput event bus delivering market data, P&L updates, order fills, and risk alerts;
- Implement financial data visualizations: candlestick charts, P&L curves, order book depth, position tables;
- Participate in API design discussions and data contract definition with backend engineers;
- Uphold component standards, state management patterns, and code quality.
Що очікуємо
- 5+ years of professional experience building web applications in production;
- Strong expertise with React and TypeScript across multiple related products;
- Solid WebSocket experience: connection lifecycle, subscription-based streams, backpressure awareness, UI stability under high-frequency updates;
- Demonstrated experience with real-time financial or analytics visualizations (candlestick charts, order books, P&L curves, or equivalent);
- Proficiency with state management: Redux, Zustand, or comparable libraries;
Що пропонуємо
- Experience in fintech, trading, brokerage, or other latency-sensitive domains;
- Familiarity with event-driven pub/sub architectures (NATS, Kafka, or similar);
- Experience with SSO, JWT token scoping, and multi-tenant auth flows in React;
- Familiarity with NestJS, Node.js, or Docker;
- Experience with Jest, React Testing Library, Cypress, or Playwright;
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