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Achievements

Achievement: Pair Extraordinairex2Achievement: Pull Sharkx3Achievement: QuickdrawAchievement: YOLOAchievement: Arctic Code Vault Contributor

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aindrajaya/README.md

Arista Indrajaya — Senior React Performance Engineer

I fix what AI-generated code breaks.

AI coding tools help teams ship SaaS products fast. The code they generate often makes the product slow: pages that load late, clicks that lag, screens that freeze on mid-range phones. I find what's causing it and fix it, without rewriting your app.

What I work on

  • Slow page loads (LCP): render-blocking resources, oversized bundles, unoptimised images and fonts
  • Laggy interactions (INP): long tasks, unnecessary re-renders, heavy work moved off the main thread
  • Core Web Vitals regressions in React and Next.js apps, especially code written with Cursor, v0 or Copilot

How I work

Async by default. You get a recorded performance-trace walkthrough and a written fix plan, prioritised by impact on real users. No calls needed.

Stack

React · Next.js · TypeScript · Node.js · Web Workers · Chrome DevTools · Lighthouse · Vercel · Cloudflare

Get in touch

Performance audits · Website · LinkedIn · X

Based in Indonesia (UTC+7) · async-friendly for UK and EU teams

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