Next.js Developer for Mobile Performance Optimization

Job ID: 40572857

Budget: ₹600 – ₹1,500 INR

Title: Next.js + Sanity Expert Needed to Improve Mobile LCP & PageSpeed Performance

We are looking for an experienced Next.js and Sanity CMS developer with proven expertise in Core Web Vitals and Google PageSpeed Insights optimization.

Project Details

Our website is built with Next.js and Sanity CMS. We are experiencing poor Largest Contentful Paint (LCP) performance on mobile product pages.

Current metrics:

Mobile LCP: ~4.4 seconds
Mobile Performance Score: ~85
Desktop Performance: Good (no major issues)
Goals
Reduce Largest Contentful Paint (LCP) to 2 seconds or less on mobile.
Improve Mobile Performance Score to 90+.
Optimize without breaking functionality, SEO, or user experience.
Requirements
Strong experience with Next.js performance optimization.
Experience working with Sanity CMS.
Deep understanding of Core Web Vitals, especially Largest Contentful Paint (LCP).
Expertise with Google PageSpeed Insights, Lighthouse, and Chrome DevTools performance analysis.
Ability to identify the root cause of slow LCP and implement effective optimizations.
When Applying

Please include:

Examples of similar performance optimization projects you have completed.
The improvements you achieved (LCP, PageSpeed score, Core Web Vitals, etc.).
A brief explanation of your approach to diagnosing and fixing LCP issues in a Next.js application.

Please apply only if you have proven experience optimizing Next.js applications for Core Web Vitals and mobile performance.