120K–155K USD / year
Senior Front-End Engineer
FrontendHybrid — Boca Raton, FL
Published on 2026-10-09
These details were extracted automatically from the original listing. They may not be complete or fully up to date — it's worth checking the original job post.
About this role
Build and scale user-facing applications for Tradeify’s trading ecosystem. The role focuses on polished, high-performance interfaces, real-time market data, and data-intensive trading workflows.
About the company
Tradeify is a proprietary trading firm that funds traders with simulated capital and payouts across futures and crypto markets.
Stack
ReactTypeScriptNext.jsZustandReduxJotaiWebSocketsREST APIs
What you'll do
- Build responsive, accessible, high-performance web applications and reusable UI components.
- Develop and maintain a scalable design system and component library.
- Implement real-time dashboards, data visualizations, and trading interfaces.
- Architect client-side state and integrate REST APIs and WebSocket streams.
- Optimize rendering, Core Web Vitals, and cross-browser compatibility.
- Contribute to frontend tooling, CI/CD, code reviews, and engineering standards.
What we're looking for
- 6+ years of frontend or UI engineering experience.
- Expert-level React and TypeScript skills.
- Experience with Next.js or similar SSR/SSG frameworks.
- Experience building real-time or data-dense interfaces.
- Strong knowledge of browser rendering, CSS architecture, and web performance.
- Experience with state management libraries and WebSocket or streaming APIs.
- Understanding of WCAG accessibility and responsive design.
- Able to work independently and collaborate in a fast-moving environment.
Nice to have
- Fintech, trading, crypto, or financial data product experience.
- Experience with charting libraries or market data visualizations.
- Experience maintaining design systems and component libraries.
- Familiarity with frontend testing frameworks.
- Experience with AI-assisted development and engineering automation.