Web Design & Dev Services — React & Next.js Web Development Services by Ziync
React and Next.js applications rendered on the server, deployed to the edge, and measured against real Core Web Vitals — not just a Lighthouse score from your laptop.
The problem
Most React apps are slow, bloated and built by people who treat performance as something to fix later. Later never comes. The result is high bounce rates, failing Core Web Vitals and a site that quietly loses you money every month.
How I work
I build with the Next.js App Router from day one — server components by default, client components only where interactivity genuinely needs them. Every route is code-split, every image optimised, every API call cached at the edge. Static content ships zero JavaScript, and Suspense boundaries keep the interface responsive while data loads.
The outcome
Sub-second LCP, 95+ Lighthouse in the field, and a codebase that scales from MVP to enterprise without a rewrite in year two.
What this includes
- High-Performance React
- Next.js App Router
- CMS Integration
- Technical SEO Foundation
- Edge Deployment
Marketing websites
Fast, server-rendered sites for businesses that need to be found. Built so crawlers see real content, which is the part template sites get wrong and then wonder why nothing ranks.
Web applications
Dashboards, portals, booking systems and internal tools. React on the front, Firebase or Node behind it, with authentication and payments where you need them.
Performance rescue
Slow, failing or invisible sites. I audit the real bottleneck — render blocking, bundle size, unindexed routes — and fix the cause rather than compressing an image and calling it done.
Platform migrations
WordPress to Next.js, Pages Router to App Router, or off a platform that fights you. Done incrementally so the site keeps serving traffic throughout, not one big risky cutover.
Common questions
Other services
- All services — the full capability list and how engagements work.
- Hire a Next.js developer — work directly with the developer, from ₹1,50,000.
- Portfolio and case studies — real builds, with the constraints and outcomes described.
- Engineering blog — what actually breaks in production, and how it gets fixed.
Tell me what you are trying to do
A short message is enough to start. I will tell you honestly whether I am the right person for it, and what it would take.
Message me on WhatsAppWe combine strategic design with high-performance engineering to build digital engines that drive growth for mid-size to enterprise partners.
Securing limited slots for Q3 2026.