OnHires
Frontend Engineer (React/TypeScript)
OnHires, San Francisco, California, United States, 94199
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.
Department Frontend Development Role React.js Locations Remote , Europe Remote status Fully Remote Employment type Full-time
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.
Department Frontend Development Role React.js Locations Remote , Europe Remote status Fully Remote Employment type Full-time