Senior/Lead Frontend Engineer - React.js/Next.js

Senior/Lead Frontend Engineer Web Experience : 3 to 6 yrs Location : Gurugram (Hybrid) Stack : React, Next.js, JavaScript, Tailwind What You'll Do : - Own major features end-to-end including broker KYC/eKYC, order placement, payments, baskets, and portfolio dashboards. - Build performant, mobile-first UI used by lakhs of users. - Integrate REST APIs and real-time market data (WebSocket/STOMP) for live prices and charts. - Lead migration of legacy CRA apps to our Next.js, Tailwind, and Radix stack. - Drive performance (Core Web Vitals, bundle size) and act on analytics (PostHog, Mixpanel, CleverTap) and Sentry. - Enforce code quality through reviews and reusable component patterns; mentor engineers. Must-Have : - 2 to 4 yrs building production React apps (hooks, context, performance patterns). - Strong JavaScript (ES6+), HTML5, CSS. - Hands-on Next.js (Pages Router, SSR/SSG, routing, config). - Tailwind CSS and design-system primitives (Radix, shadcn/ui patterns). - REST integration with Axios; responsive, pixel-accurate Figma implementation. - Solid Git workflows. Good to Have : - Real-time data (WebSocket/STOMP), charts (Highcharts/Recharts), and animations (Framer Motion/Lottie). - Zod validation, SWR, analytics and A/B funnel optimisation, and Sentry. - Payments (Juspay), KYC/eKYC, or fintech/trading domain exposure. - Experience migrating legacy React (CRA/MUI) to Next.js; TypeScript familiarity. Lead Track : You've owned a codebase end-to-end, made pragmatic architecture trade-offs across multiple apps, raised the quality bar through mentorship, and shipped fast without breaking trust in money-critical flows.