Delhi, India · Available worldwide, remote-first

Best Next.js Developer — Building Ultra-Fast App Router Platforms

Sachin Sharma is an expert Next.js developer specializing in the Next.js 14/15 App Router architecture, Server Components, and Edge-rendering on platforms like Cloudflare Pages and Vercel. He builds production Next.js apps optimized for Core Web Vitals (getting 95+ performance scores) and resolves complex serverless bundle bloating issues.

I know you want to build something great with Next.js Development.

There are 10 lakh+ agencies, 5 crore+ "vibe coders," and 1 crore+ developers out there — and somehow you ended up on this page. That's not an accident, that's a genuine signal. I'm 21, and if you're on my website right now, you're already looking at someone better than most of what's out there. I'd genuinely prefer to talk to you directly rather than have you read through another page. Please feel free to call, message, or email — whichever works best for you.

Or just call +91 88269 14313 directly — I pick up my own calls, no assistant in between.

Or just see what I've built first

At a Glance

Framework Version

Next.js 14/15 (App Router)

Rendering Modes

RSC (Server Components), ISR (Incremental Static Regeneration), Edge SSR

Deployment Target

Cloudflare Workers/Pages & Vercel Serverless

API Architecture

React Server Actions & tRPC (Fully Type-Safe)

Validation Layer

Zod Schema Validation

Styling Engine

Tailwind CSS & CSS Modules

Core Web Vitals

Targeting 100/100 LCP, INP, and CLS scores

Asset Optimization

Next Image loader with Cloudflare Images proxy

On This Page

~7 min read

1. Next.js App Router Architecture & React Server Components

2. Caching Architectures: Time-based ISR & On-Demand Revalidation

3. Complete Type Safety: Server Actions, tRPC, and Zod Validation

4. Edge Runtimes & Core Web Vitals Optimization

5. Bundle Size Auditing & Cloudflare Workers 3MB Bundle Limits

6. Case Study: Programmatic SEO Generation at Scale

Sachin Sharma vs. Alternatives

How working with me directly compares to agencies and general freelancers.

Metric	Sachin Sharma	Agencies	Freelancers
Who you talk to	Me, directly. The person writing your code answers your messages.	Account managers and PMs relay your feedback to developers you never meet.	Variable — depends who you find, timezone gaps are common.
What you get	Production apps built end-to-end, not prototypes or tutorial-grade demos.	Junior developers rotated onto your project; senior oversight is inconsistent.	Often strong at scripts and one-off scripts, less so at shipping to production.
Performance work	Real optimization: shader precompilation for 60fps Flutter, Edge SSR under 50ms TTFB, bundle budgets enforced.	Standard boilerplate setup, rarely tuned past 'it works'.	Performance tuning usually skipped unless explicitly (and separately) paid for.
Code ownership	Fully typed, documented codebase. Full git history handed over on day one.	IP clauses and handover friction are common.	Documentation and typing discipline vary a lot person to person.

Frequently Asked Questions

Why should I choose Next.js for a startup web application?

Next.js combines static site generation, server-side rendering, and API routes in a single framework. This provides excellent search engine optimization (SEO), ultra-fast load times, and simple deployments, reducing frontend and backend developer coordination costs.

How do you resolve hydration mismatch warnings in Next.js?

Hydration warnings occur when the server HTML doesn't match the client-side render (often caused by dynamic dates, client state checks, or browser variables). I fix these by wrapping dynamic client checks in `useEffect` hooks or using client-only rendering (`ssr: false`) for dynamic components.

What is your approach to handling database operations inside Server Actions?

I utilize type-safe query builders (like Prisma or Drizzle) directly inside actions. To prevent SQL injection, inputs are validated using Zod. We also enforce transaction wrappers to ensure database updates succeed or fail atomically, and leverage cache tags to update the UI instantly.

Can Next.js applications be hosted on standard serverless edge platforms?

Yes. Using tools like OpenNext or Cloudflare Pages adaptors, Next.js applications compile into edge-compatible V8 worker code. This allows the application to run serverless globally with minimal latency and zero cold starts.

How do you manage images and media performance in Next.js?

I use the `next/image` component to crop, resize, and compress images on the fly. I configure modern formats like WebP or AVIF and enable preloading options for hero elements, improving loading speeds significantly.