Full Stack Senior Engineer – Next.js / Frontend

Full Stack Senior Engineer – Next.js / Frontend Job Type: Contract Work Arrangement: Remote Experience: Senior-level About the Role We are looking for a Full Stack Senior Engineer with strong Next.js and frontend expertise to build and optimise a high-traffic, mobile-first news platform. The role is full-stack but heavily focused on Next.js, App Router, React Server Components, performance, caching, SEO, live content, and frontend observability. You will also build API routes and server-side integrations with NestJS and CMS systems. Key Responsibilities • Architect and build production applications using Next.js App Router, React, and TypeScript. • Use React Server Components to optimise client-side JavaScript and application performance. • Improve Core Web Vitals, particularly LCP, CLS, and INP on mobile. • Design caching strategies using ISR, CDN, edge caching, middleware, and on-demand revalidation. • Build live news feeds and homepage refresh mechanisms that remain reliable during traffic spikes. • Develop frontend-for-backend functionality including API routes, server actions, and typed contracts. • Integrate with NestJS services and CMS platforms. • Build reusable UI components and design-system primitives. • Implement SEO fundamentals including metadata, structured data, and crawlable rendering. • Use real-user monitoring, profiling, and production error tracking to identify regressions. • Collaborate with backend, DevOps, product, SEO, and editorial teams. • Own features from design through production deployment and monitoring. Required Skills & Experience • Strong production experience with Next.js and TypeScript. • Hands-on experience with Next.js App Router and modern React architecture. • Strong understanding of React Server Components. • Demonstrated experience improving mobile performance and JavaScript bundle size. • Experience designing and operating ISR, CDN, edge, or caching strategies. • Experience building live or frequently updated content experiences. • Strong understanding of Core Web Vitals and SEO. • Experience building API routes, server actions, and typed frontend/backend contracts. • Experience with production monitoring, RUM, profiling, and error tracking. • Comfortable working beyond purely frontend responsibilities. Ideal Candidate You should have experience operating a content-heavy or high-traffic application where performance, SEO, caching, and reliability directly affect users and business outcomes. Work Environment This is a remote contract role working closely with backend, DevOps, SEO, product, and editorial teams. Pay: ₹1,000,000.00 - ₹1,500,000.00 per year Work Location: Remote