Technologies · React

React development for interfaces your team can keep building on

Most React projects don't fail on day one. They slow down in year two, when state is tangled and every change breaks something. We build React front-ends structured for that second year.

Definition

What is React?

React development services cover designing, building and maintaining user interfaces with React, the open-source JavaScript library created at Meta for composing interfaces from reusable components. Each component describes what the screen should look like for a given state, and React updates the page efficiently when that state changes. React itself handles only the view layer, so a production app also needs choices about routing, data fetching, forms, styling and testing. Those choices are most of the work.

Fit

Where React earns its place

01

Data-heavy dashboards

Screens with filters, tables, charts and live updates where many parts of the page react to the same data.

02

Logged-in products

SaaS applications, admin panels and customer portals where interactivity matters more than first-visit page weight.

03

Shared component libraries

One set of buttons, forms and layouts reused across several products or teams, documented in a living catalogue.

04

Web and mobile from one team

When a React Native app is planned, sharing language, patterns and some logic with the web front-end reduces context switching.

When we recommend something else

  • A content or marketing site where search traffic is the goal — use Next.js (which is React) or a CMS so pages ship as finished HTML.
  • A few interactive widgets on an otherwise static page — plain JavaScript or a small library keeps the page lighter.
  • Internal screens that Odoo or another ERP already provides — extending the existing UI is usually cheaper than rebuilding it.
  • A team already fluent in Vue or Angular with a working codebase — switching frameworks rarely pays for itself.
Deliverables

React work we take on

SaaS application front-ends

Multi-step workflows, role-based screens and settings areas on top of a REST or GraphQL API.

Operational dashboards

Real-time views of orders, stock, tickets or production data with export, filtering and drill-down.

Design-system component libraries

Typed, accessible components with Storybook documentation, versioned for reuse across apps.

Legacy front-end rewrites

Incremental migration of jQuery, AngularJS or class-component React code to modern function components and hooks.

Architecture

How we structure a React codebase

L1

Routes and screens

Each URL maps to a screen component; code is split per route so users only download what they open.

L2

Feature components

Business logic grouped by feature (orders, billing, users) rather than by file type, so a change stays in one folder.

L3

Shared UI kit

Presentational, accessible components with no business logic, styled from design tokens and covered by visual tests.

L4

Server state and client state

API data cached and revalidated with a query library; only genuinely local UI state lives in component or store state.

L5

Typed API layer

One module talks to the backend, with TypeScript types and runtime validation at the boundary so bad data fails loudly.

Layered architecture of a React project: Routes and screens, then Feature components, then Shared UI kit, then Server state and client state, then Typed API layer.

Ecosystem we work with

  • TypeScript
  • Vite
  • Next.js
  • React Router
  • TanStack Query
  • Zustand
  • React Hook Form
  • Zod
  • Storybook
  • Vitest
  • Testing Library
  • Playwright
Quality in React

Quick to use, safe to change

01

Fewer unnecessary re-renders

State is kept close to where it's used and measured with the React Profiler; the React Compiler or manual memoization is applied only where it helps.

02

Smaller bundles

Route-level code splitting, lazy-loaded heavy widgets and dependency audits keep the JavaScript users download in check.

03

Accessible components

Keyboard support, focus management and ARIA are built into shared components once, so every screen inherits them.

04

Changes you can trust

Type checking, component tests and end-to-end tests on critical flows run in CI before any merge.

Compare

React, Vue or Angular?

How the three main front-end options differ when choosing for a new product
CriterionReactVueAngular
What it isUI library; you choose the surrounding toolsProgressive framework with official router and stateFull framework with routing, forms, DI and HTTP built in
FlexibilityVery high — and so is the number of decisionsHigh, with sensible official defaultsLower; conventions are prescribed
Hiring poolLargest of the threeSmaller, strong in some regionsCommon in enterprise teams
Server renderingThrough Next.js or React Router framework modeThrough NuxtAngular SSR built in
Good fitProducts that need a custom stack or share code with React NativeTeams wanting a gentle learning curveLarge teams that value enforced structure
Keep exploring
Sources

Sources and further reading

Official documentation and guidance if you want to read more about this topic.

FAQ

React questions

What is React used for?

React is used to build interactive user interfaces for the web: dashboards, SaaS products, admin panels, customer portals and the interactive parts of websites. With React Native, the same component model is used for iOS and Android apps.

Should a new React project use Next.js?

Often, yes, if the project has public pages that need to rank in search or load fast on first visit. For an app that sits entirely behind a login, a client-side React app built with Vite can be simpler to host and reason about. The React team itself now recommends starting with a framework for most new apps.

Can you take over an existing React codebase?

Yes. We start with a review of structure, dependencies, state management, test coverage and bundle size, then agree on a plan that fixes the riskiest problems first while features keep shipping.

Is it worth upgrading to React 19?

Usually, but it should be planned rather than rushed. React 19 adds Actions, new hooks for forms and optimistic updates, and stable Server Components support in frameworks; the upgrade effort depends mostly on how many third-party libraries in your project rely on older APIs.

Do you write React in TypeScript?

Yes, by default. TypeScript catches a large class of mistakes before they reach users and makes components self-documenting, which matters most when several developers work on the same codebase over time.

Next step

Planning a React build or inherited one that's slowing down?

Share what the interface needs to do or what's going wrong with the current one. We'll give you a straight assessment of the work involved.