Build React frontends that are faster, cleaner, and easier to scale.
Architecture-first React development — not component copy-paste. Custom product UIs, migrations, component systems, and performance engineering for teams that treat React as a frontend system, not a JavaScript library.
Bundle (gzip)
148kb
Code-split
INP
95ms
Green CWV
Components
86
Reusable
Component library + design tokens
State — React Query + Zustand scoped
Routing + code-splitting
Type safety + testing + CI
Build Time
6–10w
Customvs 2–3 weeks for template glue work
Type Coverage
98%
TS strictNo `any`, no implicit escape hatches
At a Glance
Six Disciplines, One React Frontend System.
React Development isn't component coding. It's the six-discipline system that turns React into a product-facing frontend engineered for interactivity, reuse, performance, and long-term scale.
Custom React Build
Architecture-first React apps — Vite + TypeScript, tooling, routing, data layer, and CI set up as a product foundation instead of a starter template.
Interactive UI
Product-grade interactions — animations, keyboard + accessibility, optimistic UI, and the micro-interactions that make React worth choosing in the first place.
Component Architecture
Design tokens, primitives, composition patterns, and a shared component library — documented, reusable, and governed across features.
Migration
Legacy jQuery, Backbone, Vue, Angular, or server-rendered apps migrated to React — incrementally, with feature parity and no UX regressions.
Integration
Drop React into an existing product — embedded islands, micro-frontends, or full frontend replacement — with clean API contracts and state boundaries.
Support & Growth
Post-launch iteration, dependency hygiene, performance monitoring, component-library growth, and the partnership that keeps the frontend healthy.
When You Need This
Seven Signals You Need Real React Development.
If any of these are true, the conversation isn't about component syntax — it's about how React is being engineered as a frontend system.
You need a faster and more interactive frontend
Static pages aren't enough. Product work requires dashboards, real-time updates, rich forms, and the interactivity only a reactive frontend can deliver well.
Your current frontend is hard to scale or maintain
Spaghetti jQuery, brittle Vue 2, half-migrated Backbone. Every feature fights the last one. The codebase slows down the product instead of enabling it.
Your UI is inconsistent and lacks reusable structure
Ten buttons, three date-pickers, two modal systems. Marketing asks for a new page; engineering rebuilds the same primitives from scratch. Design drifts.
You want to modernize a legacy frontend
Legacy stack, slow CI, fragile UI, no typing, no tests. Incremental migration to React — without a risky big-bang rewrite — unlocks speed again.
You need React integrated into an existing platform
Rails, Django, Laravel, WordPress, or a legacy SPA. React added as islands, micro-frontends, or a dedicated section — without throwing the platform away.
Performance and interface responsiveness are becoming a problem
INP failing, re-renders out of control, bundle size too large, lazy-loading missing. The UI feels slow — and slowness is costing conversion or retention.
Your product needs a frontend ready for long-term growth
New features, new teams, new markets. The frontend has to absorb expansion — component library, routing architecture, and state boundaries that scale.
What This Covers
Business-Grade React Delivery — Not a Task List.
Eight disciplines working together as one frontend system. Each compounds the next — and each shows up as product velocity, UX quality, or performance.
Architecture-first builds — Vite + TypeScript + React Router + TanStack Query, tooling, CI, and the conventions every feature ships against.
Core Use Cases
Five Engagement Patterns Mapped to Real React Problems.
Custom React Frontend Build
Starter templates look fine until the product grows. State sprawls, components duplicate, bundles balloon, and the team spends more time fighting tooling than shipping features.
Best for
SaaS products, dashboards, internal tools, and product UIs that need interactivity, type safety, and a component library from day one.
Outcome
Vite + TypeScript app shell, design tokens, component library, scoped state, routing + code-split, CI — everything set up as a product foundation.
In one line
"React as a system — not a library picked at random."
Goal → Solution
Start From the Outcome — Not the Framework.
"We need React" isn't a goal. "Our product UI is slow, inconsistent, and impossible to grow without rewriting every quarter" is. Outcome first — implementation follows.
If you need
Need a faster and more interactive UI
We deliver
Custom React development — Vite + TypeScript, scoped state, optimistic UI, and the interactivity only React can deliver well
If you need
Need better frontend consistency
We deliver
Component system development — design tokens, primitives, composition patterns, Storybook docs, and governance
If you need
Need to modernize an outdated frontend
We deliver
React migration and rebuild — incremental strangler strategy, parity first, UX + performance second, no big-bang rewrite
If you need
Need React added to an existing product
We deliver
Integration-focused React development — islands, micro-frontends, or a dedicated section, with clean API contracts and scoped state
If you need
Need a frontend that scales with product growth
We deliver
Architecture-led React implementation — routing, state boundaries, code-split, component library, CI, and team conventions
If you need
Need stronger performance and maintainability
We deliver
Performance-focused React development — bundle budget, code-split, memoisation, image pipeline, green CWV as release gate
Why React Projects Underperform
The Gap Isn't React — It's Component-First Thinking.
Most struggling React codebases don't fail on the library. They fail on the build approach — component-first instead of system-first, state sprawl, and performance treated as post-launch.
What goes wrong
- React used as a coding tool — not a frontend system
- Components inconsistent — every feature forks primitives again
- State and frontend structure become messy — useState sprawl, prop drilling, context abuse
- Performance ignored — bundles grow, INP fails, re-renders storm on real devices
- Migration handled without architecture — strangler pattern skipped, features frozen
- Integration into existing systems becomes fragile — build wars, double state, double auth
- Product UI grows faster than frontend structure can handle — design drifts across routes
- No type safety, no tests, no component docs — onboarding takes weeks, bugs compound
How Avana Hub fixes it
- Cleaner frontend architecture — conventions, routing, and data layer as a foundation
- Reusable component systems — tokens, primitives, composition, docs, and governance
- Stronger state and UI structure — server state, client state, and form state each scoped
- Performance-aware implementation — bundle budget, code-split, memoisation, green CWV
- Safer migration and modernization paths — incremental strangler, parity first, UX second
- Cleaner React integration strategy — islands, micro-frontends, or dedicated section
- Frontend systems built for product growth — scales with features, teams, and routes
- Type safety + tests + docs + Storybook — onboarding in days, not quarters
Our Framework
The Avana Hub React Development Framework.
Five phases — Plan → Structure → Build → Optimize → Scale. System-first, performance-aware, and built to be owned and extended long after launch.
Plan
Scope + Product Model
Goals, product surface area, routing model, state shape, integration surface, and performance targets — agreed before the first component is written.
Structure
Architecture + Component System
Design tokens, primitives, composition patterns, routing, state boundaries, data layer, and the conventions every feature ships against.
Build
Feature + Interaction Implementation
Dashboards, rich forms, tables, real-time data, optimistic UI, accessibility, animations — product-grade interaction built on the shared library.
Optimize
Performance + Quality
Bundle budget, code-splitting, lazy loading, memoisation strategy, render profiling, image pipeline, type safety, and CI as release gate.
Scale
Iterate + Grow
Component-library growth, dependency hygiene, React + library upgrades, new features, new teams — the cadence that keeps the frontend healthy.
Sample Output
What React Work Actually Looks Like.
React projects get dismissed as "just frontend coding" when the architecture, component system, and performance work isn't shown. These are the artefacts your team gets.
LCP
1.7s
INP
95ms
CLS
0.01
Bundle
148kb
Each layer scoped to its real purpose
INP (mobile)
Bundle size
Component reuse
Feature velocity
What You Get
Every Engagement Ships Strategic + Operational Artefacts.
Not just built components. The decisions, documents, and release gates that make the React frontend shippable, maintainable, and ready to scale with the product.
React Path Recommendation
Vanilla React (Vite) vs Next.js vs Remix vs embedded islands. Recommendation comes with reasoning, SSR/SEO trade-offs, and scope.
Frontend Architecture Guidance
App shell, routing model, code-split strategy, folder conventions, data layer, and the technical conventions every feature ships against.
UI + Component Planning
Design tokens, primitives, composition patterns, and a shared component library scoped to the product — documented in Storybook, governed in CI.
Migration / Integration Notes
Strangler migration plan, feature parity checklist, API contract design for integration into Rails/Django/Laravel/WordPress host apps.
State + Data Layer Design
Server state (TanStack Query), client state (Zustand/Jotai), form state (React Hook Form + Zod), routing state — each scoped to its real purpose.
Performance Priorities
Bundle budget, code-splitting, lazy loading, memoisation strategy, image pipeline, render profiling — and CI gates that enforce them.
Code Quality + Release Gates
TypeScript strict, ESLint, Prettier, Vitest + Testing Library, Playwright E2E, Lighthouse CI, accessibility tests — release gates, not suggestions.
Launch Readiness
Staging, QA, accessibility + performance validation, analytics + web-vitals attribution, launch runbook, and post-launch monitoring cadence.
Next-Step Roadmap
Post-launch iteration, component-library growth, feature + team scaling, React + dependency upgrade cadence, and the v1.1 / v2 priorities.
Engagement Models
Five Ways to Work Together.
Pick the model that matches your stage — new build, component system, migration, integration, or ongoing partnership. Pricing scoped per engagement.
Custom React Frontend Build
Ideal for: Teams building a new product UI, dashboard, or SaaS frontend from scratch
- Vite + TypeScript app shell + routing + data layer
- Design tokens + primitives + composed library
- Testing, Storybook, CI, and release gates
- 6–10 weeks for a typical product frontend
Component System Development
Ideal for: Teams where design drifts and engineering rebuilds primitives on every feature
- Design tokens in code + theming strategy
- Radix-based primitives + composed components
- Storybook docs + a11y tests + governance
- Rollout plan + team onboarding + CI integration
React Migration & Modernization
Ideal for: Teams on legacy jQuery, Backbone, Vue 2, Angular, or server-rendered UIs
- Strangler migration strategy + parity plan
- Route-by-route or feature-by-feature rollout
- Design token reuse + component parity
- Post-launch monitoring + cleanup plan
Integration-Focused React Development
Ideal for: Rails, Django, Laravel, WordPress, or legacy SPAs adding React inside
- Islands, micro-frontends, or dedicated section
- API contract design + scoped state boundaries
- Shared design tokens with the host app
- Build system + auth + routing integration
Ongoing React Support
Ideal for: Teams needing continuous React partnership post-launch
- Dependency hygiene + React + library upgrades
- Performance monitoring + component-library growth
- Feature delivery + team onboarding
- CI, testing, and release-gate governance
FAQ
React Development FAQ
Practical questions product and engineering teams ask before committing to a React build or migration.
Still unsure whether React is the right framework? Let's walk through it.
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Core Web Vitals & Speed Optimisation
SoonDedicated performance engagement for existing React apps — INP, LCP, bundle diet without a full rebuild
Build a React frontend your product team actually ships from.
Cleaner, faster, and easier to scale. Architecture, components, performance, and product experience designed for long-term growth — not starter-template debt collected sprint after sprint.
INP
95ms
Bundle
148kb
Build
6–10w