Beautiful, fast web apps
built & deployed on Vercel
We craft modern React applications with pixel-perfect design, blazing performance, and seamless CI/CD deployment — so you can ship with confidence.
Performance that drives results
Everything modern web demands
React & Next.js Architecture
We build with React 18 and Next.js App Router — leveraging server components, streaming SSR, and incremental static regeneration for optimal performance at every scale.
Design-to-Code Precision
From Figma to production, we translate your brand into pixel-perfect UIs using Tailwind CSS, Radix UI, and custom design systems that stay consistent across every breakpoint.
Mobile-First Responsive UX
Every interface is built mobile-first, tested across devices, and optimised for touch, keyboard, and screen-reader accessibility out of the box.
Zero-Config Vercel Deployment
Push to Git and your app is live in seconds. Preview URLs for every PR, instant rollbacks, and environment variable management — CI/CD without the ops overhead.
What we ship for you
Data-rich interfaces that are fast, beautiful, and easy to navigate — built for power users who live in your product.
Conversion-optimised pages that load in under a second and score 100 on Lighthouse — making every ad dollar count.
Headless commerce frontends that feel premium, convert better, and keep customers coming back.
Replace slow spreadsheets and clunky legacy tools with fast, purpose-built React apps your team will actually enjoy using.
From idea to live in five steps
Discovery
Align on goals, user journeys, and technical constraints before writing a single line of code.
Design System
Components and tokens defined in Figma, then translated 1:1 into Tailwind and Radix primitives.
Development
Iterative sprints with preview deployments on every PR so you see progress in real time.
QA & Performance
Lighthouse CI, cross-browser testing, and accessibility audits gate every release.
Deploy & Monitor
Merge to main triggers a production deploy. Analytics and error tracking go live from day one.
Performance Standards
Enterprise-Ready Delivery
Best-in-class tools, every time
Framework
Styling & UI
Data & State
Deployment & DX
Instant Global Delivery
Vercel's edge network serves your app from 100+ regions with zero cold starts and sub-100ms response times.
Security by Default
HTTPS everywhere, Content Security Policy headers, OWASP-aligned input validation, and dependency audits in every pipeline.
Built to Scale
Serverless architecture handles traffic spikes and quiet periods alike — without a single infrastructure change.
Ready to ship something great?
Tell us about your project and we'll put together a proposal — usually within 48 hours.
contact@cassiopeiai.com