React Next.js Performance Upgrade

I have a production React/[login to view URL] application that needs a focused performance lift. The core code-base is stable and feature-complete, yet first-page paint and subsequent navigations feel sluggish, and the current server-side rendering strategy is adding avoidable latency. I’m looking for someone who can jump straight into the repo, profile what’s really happening, and implement targeted improvements that cut load times and streamline SSR without altering existing business logic or UI. Scope of work • Analyse current bundle, route-based code-splitting, dynamic imports, and server rendering path to uncover bottlenecks. • Implement best-practice fixes—tree-shaking, critical CSS extraction, image optimisation, caching headers, or whichever proven [login to view URL] techniques your audit shows will help. • Refactor or re-configure SSR where needed so initial HTML is delivered faster while keeping SEO intact. Acceptance criteria • First Contentful Paint ≤ 2 s on a standard 4G connection (Lighthouse mobile). • Server response (HTML) reduced by at least 40 % compared with the current baseline. • No regression in existing features; all unit and integration tests must continue to pass. • A short report summarising changes, before/after metrics, and any follow-up recommendations. Tech stack [login to view URL] (v13), React 18, TypeScript, Tailwind, Vercel hosting, GitHub for version control and PR reviews. If this kind of deep optimisation is your thing, let’s talk metrics, strategy, and your estimated timeline so we can get this app flying.

Projekt-ID: 40253607