Frontend Development in React and Next.js
Smart-UI builds web application front ends in React, Next.js and TypeScript, working from Figma to production code. A typical front-end project runs 4 to 12 weeks. Smart-UI has delivered more than 315 projects since 2018 for clients in the UK, US and Australia.
What does Smart-UI build on the front end?
Smart-UI builds web application front ends in React, Next.js and TypeScript, working from Figma designs to production code. Core Web Vitals and accessibility are treated as delivery requirements rather than a later optimisation pass.
Front-end work is delivered either as part of a full application build or as a front-end team working alongside a client's existing back end. Smart-UI has delivered more than 315 projects since 2018.
| Engagement models | Fixed-price project, retainer, or dedicated engineers |
|---|---|
| Typical duration | Typically 4-12 weeks |
| Team shape | 1-3 engineers |
| Stack | React, Next.js, TypeScript, Tailwind, Vue.js |
| Markets served | United Kingdom, United States, Australia, European Union |
React, Next.js and TypeScript, and the reason for each
Next.js where pages have to rank and load fast, plain React where the screen sits behind a login and SEO is irrelevant, TypeScript on both because the cost of going without lands on whoever maintains it. Figma to production code, with Core Web Vitals and WCAG 2.1 AA treated as delivery requirements rather than a later pass.
Core Frontend Development Services
What a front-end engagement covers, whether it is a whole application or a front-end team working against your existing API.
Custom Website Development
Marketing sites built as components rather than as pages, so a new section is a content change instead of a ticket. Responsive from the first breakpoint, not retrofitted at the end.
Single Page Applications (SPAs)
Dashboards and admin tools in React, with routing, state and data fetching chosen for the size of the application rather than for what is fashionable this year.
Responsive Web Design
Layouts tested at the sizes that actually break things: small Android phones, tablets in landscape, and a browser zoomed to 200 percent by someone who needs it.
Cross-Browser Compatibility
Chrome, Safari, Firefox and Edge, plus iOS Safari, where most of the surprises live. Checked before release rather than reported by a client afterwards.
Interactive UI/UX Development
Motion with GSAP and Lottie, used where it helps someone understand what just happened, and left out where it only costs load time.
Performance Optimization
Code splitting, image formats, font loading and cutting third-party scripts. Aimed at LCP, CLS and INP, measured on real traffic rather than on a laptop.
API Integration
Wiring the front end to REST or GraphQL with the loading, empty and error states designed, since those three are what a user actually sees when something goes wrong.
E-Commerce Frontend Development
Storefronts on Shopify and WooCommerce, built around the checkout, because that is the one screen that has to hold up on a sale day.
Prototyping and Design-to-Code Implementation
Figma, Sketch or XD turned into production components, including the spacing rules, the interactive states and the edge cases the design file did not cover.
Progressive Web Applications (PWAs)
Installable apps with offline support and background sync, for tools used in the field where a connection cannot be assumed.
Have a design that needs building properly?
Send the Figma file and what it has to connect to. A fixed-price estimate and a delivery plan come back within 48 hours.
DuelMasters
San Lorenzo Foods
HoundDog
Soluna Sydney
Una Providore- View All Projects
Frequently Asked Questions
We specialise in React, Next.js, and TypeScript. We also work with Vue.js for legacy or preference-based projects. All our frontends are built with performance, accessibility, and SEO in mind.
Yes. Pixel-perfect Figma-to-code delivery is one of our core strengths. We work closely with designers and handle responsive layouts, animations, and accessibility (WCAG 2.1 AA) as standard.
Both. We use Next.js App Router for server-rendered and statically generated sites (better SEO and performance), and React SPA for dashboard and admin interfaces where SEO is not a priority.
We target Core Web Vitals (LCP, CLS, INP) on every project. Techniques include code splitting, image optimisation, lazy loading, CDN delivery, and minimising render-blocking resources.
Send the scope, the deadline and what it has to connect to. A fixed-price estimate and a delivery plan come back within 48 hours, with no obligation to proceed. If it is easier to talk it through first, the numbers below reach the same people.