ZenX
Senior Frontend Developer (NEXT.JS/REACT)
ZenXUnited Arab Emirates17 hours ago
Full-timeRemote FriendlyEngineering, Information Technology

Company Description

ZenX is a leading platform that simplifies the crypto journey for businesses and individuals. We offer services like OTC trades, P2P exchanges, seamless token launches, and blockchain creation to unlock the full potential of digital assets. Our mission is to empower innovation without the complexity, helping startups and seasoned traders alike. Join a thriving community dedicated to redefining digital finance.


Senior Frontend Engineer (Next.js/React): ZenX Group

Location: Dubai, UAE (Hybrid) or Remote (±4h GST)

Type: Full-time

About ZenX

ZenX builds institutional-grade crypto trading and payments infrastructure. We’re looking for a Senior Frontend Engineer to own our trading UI/UX—from ultra-fast market data to secure onboarding and beautiful analytics.

What You’ll Do

Trading Interface

  • Build a real-time trading dashboard with WebSockets/SSE
  • Ship order placement (market/limit/RFQ) and portfolio views
  • Implement price charts, indicators, and analytics tools (TradingView/Chart.js/D3)
  • Deliver mobile-responsive layouts and smooth interactions

User Experience

  • Design KYC/AML onboarding flows with third-party provider integrations
  • Implement notifications, i18n multi-language, theme switching, and accessibility (WCAG 2.1 AA)
  • Guardrails for auth, roles, and secure session handling

Data Visualization

  • Visualize order books, market depth, performance metrics, and custom charts
  • Build analytics dashboards with client/server data fetching (React Query/TanStack Query)

Engineering Excellence

  • Own Next.js app architecture (SSR/ISR), routing, caching, and performance
  • State management with Redux Toolkit and/or Zustand
  • Write robust tests (Jest, React Testing Library, Playwright/Cypress)
  • Instrument Web Vitals, profiling, error tracking, and CI/CD
Must-Have Skills
  • Expert: Next.js, React, TypeScript
  • State/Data: Redux Toolkit, Zustand, React Query/TanStack Query
  • Real-Time: WebSockets, Server-Sent Events
  • Charts: TradingView integration, Chart.js and/or D3.js
  • Strong CSS skills (Tailwind or CSS-in-JS), component design systems, and accessibility
  • Proven delivery of high-performance, real-time frontends in fintech/crypto or similar
Nice to Have
  • Experience with payments/trading UX, order books, and latency-sensitive UI
  • Security best practices (CSP, OWASP), feature flags, and A/B testing
  • Vercel, edge functions, server actions, GraphQL/REST BFFs
What Success Looks Like (90 Days)
  • Ship a production-ready trading dashboard with live data & authenticated flows
  • Deliver order placement, portfolio, and theming/i18n
  • Stand up charts (TV/Chart.js/D3) and an order book with smooth 60fps rendering
  • Establish testing, error tracking, and performance budgets
Benefits

Competitive compensation (cash + equity/tokens where applicable), flexible hours, top-tier gear, learning budget, and high-ownership culture.

Process

Intro call → Technical deep dive → Architecture exercise → Team/Founder chat → Offer

Apply: Send your LinkedIn/CV and portfolio/GitHub to [email protected] with subject “Senior Frontend — ZenX”.

  • ZenX is an equal-opportunity employer.

Key Skills

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