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Squarebrackets Private Limited
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High-performance websites & web apps

Web Development Company

Fast, modern web apps that convert — Next.js and React front to back, engineered for speed, SEO and scale.

SSR/ISR
SEO-ready
Green CWV
Fast by default
Full-stack
UI to API

What we do

We build websites and web applications that are fast, accessible and easy to grow — from marketing sites that rank and convert, to complex, data-heavy web apps. We use Next.js and React with server-side rendering for SEO and speed, backed by robust APIs. Core Web Vitals, accessibility and clean, maintainable code are part of the build, not an afterthought.

Capabilities

Marketing & SEO Sites

Server-rendered sites with structured data, fast Core Web Vitals and a CMS your team can update — built to rank.

Web Applications

Dashboards, portals and SaaS UIs with auth, real-time data and role-based access.

Headless & CMS

Headless architectures so content, commerce and code evolve independently.

Performance

LCP, INP and CLS tuned to green — image optimisation, caching and code-splitting done right.

Accessibility

WCAG-aware builds so your site works for everyone and avoids compliance risk.

APIs & Backend

The Node/Java APIs and databases behind the UI, built and operated by the same team.

Tech we use

Next.jsReactTypeScript / JavaScriptTailwind CSSNode.jsSpring BootPostgreSQLVercel / Docker

Frequently asked questions

Why Next.js / React?+

Next.js gives us server-side rendering and static generation — so pages are fast and fully crawlable for SEO — while React keeps complex UIs maintainable. It's the same stack this site runs on.

Will the site be good for SEO?+

Yes — server-rendered HTML, clean semantic markup, structured data (JSON-LD), canonical tags, sitemaps and fast Core Web Vitals are built in. SEO isn't bolted on afterwards.

Can you build both the site and the app?+

Yes. We do the marketing site, the product UI and the backend APIs and database — one team owning the whole stack, so nothing falls between the cracks.

Do you redesign existing sites?+

We do redesigns, performance rescues and migrations off slow or dated stacks — incrementally, so you keep your rankings and traffic through the transition.

Other things we build

Have a project in mind?

Tell us what you’re building. We’ll scope it with you and give an honest answer on timeline and cost.

Start the conversation