React and Next.js Development Agency

React and Next.js development services for SaaS products, web apps and high-traffic marketing sites. Senior front-end engineers, AI-accelerated delivery, typed and tested code in your repository, and Core Web Vitals treated as a release gate.

What We Serve

Next.js and React Development Services for Products That Have to Perform

React is the standard for serious web products, and Next.js is how most of them ship: server rendering, routing, caching and edge deployment solved by the framework rather than by hand. Our Next.js development agency builds SaaS front-ends, customer portals, dashboards and content-heavy marketing sites with React 19, TypeScript and Tailwind, often on a design system we build with you. AI tools such as Claude Code and Cursor scaffold components, write tests and handle the repetitive wiring; senior engineers design the architecture, review every pull request and keep performance, accessibility and security inside the budget. You get a fast, maintainable front-end that your own team can extend.

Our Approach

Component Systems, Typed Data, Performance Budgets

We start with the shape of the product: routes, data sources, auth, and the states each screen can be in. Components are built from a design system so screens compose rather than repeat. Data is typed end to end, from the API or CMS to the component props. Rendering strategy (static, server, client, edge) is chosen per route for speed and cost, not by habit. Every pull request runs Playwright, Vitest, type checks and a Lighthouse budget; a senior engineer reviews it before merge. Deployment to Vercel, Cloudflare or AWS is automated from the first week, so staging always matches what you will ship.

What Is Next.js Development?

Next.js development is building web applications and sites with the React framework that adds server rendering, file-based routing, caching, image optimization and edge deployment. It is the standard choice for SaaS front-ends and high-performance marketing sites that need both speed and rich interactivity.

Server and client rendering

Each route rendered where it is fastest: static, server, edge or client.

Typed components

TypeScript from data to UI, so refactors are safe and bugs surface early.

Design-system driven

Reusable components keep products consistent and fast to extend.

Performance by default

Image, font and script optimization with Core Web Vitals budgets in CI.

At Devoq Design, React and Next.js development means fast, typed, tested front-ends delivered about 5x faster, with senior engineers reviewing every change.

Why React and Next.js Matter for Your Product

The front-end is what your users touch. The right framework, used well, makes the product faster, cheaper to change and easier to hire for.

Speed Users Notice

Server rendering and smart caching make pages feel instant.

SEO for Web Apps

Server-rendered content that search engines and AI assistants can read.

Huge Talent Pool

React is the most widely used UI library, so your team can always hire.

One Codebase, Many Surfaces

Shared components across marketing site, app and admin.

Scales With Traffic

Edge and serverless deployment handle spikes without a rewrite.

Lower Cost of Change

Typed, componentized code is cheaper to extend a year later.

Our React and Next.js Expertise

SaaS Front-Ends

Multi-tenant dashboards, auth, billing screens and real-time UI.

Marketing Sites on Next.js

Content-heavy sites with a headless CMS and perfect Core Web Vitals.

Design System Implementation

Figma tokens turned into React components with Tailwind or shadcn/ui.

Migrations to React

Legacy jQuery, Angular or WordPress front-ends moved without a big bang.

React and Next.js Development Services We Offer

Every product needs a different mix of front-end work. Our React and Next.js development services cover new builds, extensions and migrations.

Next.js Web Application Development

SaaS products, portals and dashboards built with the App Router and TypeScript.

React Front-End Development

Component libraries and interfaces for any back-end or API.

Next.js Marketing Website Development

Fast, SEO-ready sites with Payload, Sanity or your CMS.

Design System to Code

Figma components implemented as a typed, tested React library.

Performance Optimization

Core Web Vitals audits and fixes for existing React and Next.js apps.

Front-End Migration

Move legacy front-ends to React and Next.js in planned slices.

From a new Next.js SaaS front-end to a React migration, our development services ship fast, typed, maintainable code. See also: AI-accelerated development, headless CMS development, design systems and hire a React developer.

A front-end development process based on your product.

Why Choose Us?

Senior React Engineers

People who have shipped production Next.js apps, not generated them.

AI-Accelerated, Human-Reviewed

Agents scaffold and test; engineers architect and review every change.

Design and Code in One Studio

UI/UX designers and front-end engineers who build the same design system.

Performance as a Release Gate

Lighthouse budgets in CI, not a report at the end.

Your Repository From Day One

Typed, tested code in your GitHub organization with CI/CD configured.

Flexible Engagement

Fixed-scope build, monthly retainer or a dedicated front-end pod.

Common Front-End Problems We Fix

Teams usually look for a Next.js development agency when the front-end has become the bottleneck. These are the problems we fix most.

Slow, Heavy Pages

Client-side everything, unoptimized images and scripts that drag Core Web Vitals down.

Inconsistent UI

Components rebuilt per screen with no shared system.

Untyped, Untested Code

Refactors that break things nobody noticed until production.

Web App With No SEO

Content rendered only in the browser that search engines never see.

Legacy Front-End

jQuery, old Angular or WordPress themes nobody wants to maintain.

Design Handoff Friction

Figma and code that never quite match, costing every sprint.

Contact Us

Ready for a front-end that is fast, typed and yours?

Technology we build React and Next.js products with

React 19 and Next.js with TypeScript and Tailwind, a headless CMS or your API, automated testing and performance budgets, and AI coding tools inside your repository. Everything lives under your own accounts.

Astro

Next.js

React 19

TypeScript

JavaScript

Tailwind CSS

shadcn/ui

Vite

Webflow

HTML5

CSS3

Node.js

NestJS

Express

Bun

Python and FastAPI

PostgreSQL

Supabase

MongoDB

Redis

GraphQL

REST APIs

Prisma and Drizzle

AWS

Cloudflare Pages and Workers

Vercel

Netlify

Google Cloud

Azure

Docker

Kubernetes

Terraform

GitHub Actions CI/CD

Playwright

Vitest and Jest

AI-assisted code review

Lighthouse and Core Web Vitals

WCAG 2.2 accessibility

Git and GitHub Actions

Claude

Claude Code

Cursor

OpenAI Codex

ChatGPT

Gemini

GitHub Copilot

v0

Figma AI

Midjourney

What You’ll Receive

Every React and Next.js engagement ends with a defined handover. Everything below transfers to you, so your team can keep shipping.

Front-End Architecture Documentation

Typed React Component Library

Next.js Application Source Code

Storybook or Component Docs

Automated Tests (Playwright, Vitest)

CI/CD With Preview Deployments

Performance Budget and Lighthouse Report

Accessibility Checks Built In

Deployment and Environment Runbooks

Recorded Handover Walkthrough

Every deliverable is shaped by your product, your design system and your team, and you own all of it.

Our Passion: Your Growth, Our Recognition

At Devoq Design, client success is paramount. We measure our worth by the heights our clients reach. Awards are a delightful affirmation, but seeing your business flourish that’s the true reward.

26 Reviews on Clutch

5.0

Discover Our Case Studies

Explore Compelling Case Studies: Real Solutions, Real Success Stories

Web Design

Firewire

We crafted a sleek and intuitive website for Firewire, a digital marketing company specializing in SEO and Google Ads, to showcase their expertise and results. Our design highlights their data-driven approach to connecting businesses with their audience.

Increase Customer interaction

87 %

New Customer Acquisition

30 %

Marketing

SaaS Product Design

Buzops

We created a clean and scalable SaaS experience for Buzops, helping businesses manage operations, automate workflows, and improve customer engagement through a unified platform.

Demo Request Increase

37 %

Platform Interaction Growth

68 %

Customer Acquisition Boost

25 %

SaaS

Web Design

Cadre Crew

We designed and developed a user-friendly website for Cadre Crew, a company that helps growing businesses scale operations with virtual assistant and project management services. Our goal was to create an intuitive and efficient experience for their users.

Increase Customer Value

25 %

Boost Traffic

20 %

Higher Conversion Rate

15 %

Professional Services

Web Design

Wealth Bridge

We built a modern online platform for Wealth Bridge, a mortgage and loan comparison service. The goal was a credible, easy-to-use experience that makes complex loan information simple. With a focus on clarity, performance and smooth interaction, the site helps borrowers compare home-loan products and choose the right one with confidence.

Higher Lead Generation

50 %

Growth in Page Interaction

78 %

More Returning Visitors

40 %

Fintech

Web Design

Angel Care

We created a compassionate and accessible digital experience for AngelCare, simplifying care discovery, improving NDIS understanding, and empowering users to access personalized support services with ease.

Care Program Adoption

22 %

Client Interaction Increase

48 %

Satisfaction Score

93 %

Healthcare

While growth of our clients is what matters most, it`s nice to get awards

We unite Business-Driven + User-Centered UX process while creating the product design tocover business goals and user`s needs.

Michael Cosgrove

Oct 3, 2023

Devoq Design’s work helped improve user satisfaction, reduce bounce rates, and increase conversion rates and positive feedback. The team consistently met deadlines and adapted well to evolving project requirements. Overall, they were responsive, experienced, and communicative.

Emin Salmanov

Mar 10, 2024

The client was pleased with Devoq Design’s thorough understanding of each design stage. They seamlessly integrated into the internal team, providing helpful critiques and insights. They regularly communicated via phone, email, and Slack. Devoq Design’s collaborative approach stood out.

Johan Timmer

Mar 1, 2024

Devoq Design delivered a visually stunning website, improving the client's online presence and traffic. The team was attentive to detail and communicated effectively through emails and messages. Moreover, their professionalism, innovative work, and personalized approach were also outstanding.

Erin Gouse

May 14, 2019

Devoq Design Studio offered detailed documentation and maintained open lines of communication throughout the project. Their proactive approach set them apart from other vendors.

Anika Schleifer

Mar 21, 2024

Devoq Design has completed the design phase, and the client is very satisfied with the new layout. The service provider is responsive and incorporates the client's feedback. The client has been impressed with Devoq Design's ability to create both strategic and beautiful designs.

Tom Peeters

Mar 12, 2024

The project is still ongoing, but Devoq Design has already delivered functional components of the client's product. The team establishes a collaborative workflow through clear and constant communication - they always provide updates on the project's progress. They're also skilled at what they do.

Frequently Asked Questions

What does a Next.js development agency do?

It designs and builds web applications and sites on React and Next.js: architecture, component systems, data integration, rendering strategy, testing, performance and deployment. Devoq Design adds AI-accelerated delivery with senior engineers reviewing every pull request, and UI/UX designers in the same studio.

How much does React or Next.js development cost?

It depends on the number of screens and routes, data and auth complexity, whether a design system exists, integrations and performance targets. We scope a fixed price for a defined build or a monthly retainer for ongoing work after a short discovery call.

Should we use Next.js or Astro for our website?

Next.js when the site shares components with a React app, needs rich interactivity or complex personalization. Astro when it is content-first and speed is the priority. We build both and will tell you which fits after one call.

Can you take over an existing React or Next.js codebase?

Yes. We audit it first (structure, types, tests, performance, dependencies), agree a plan with your team, then ship improvements in reviewed pull requests inside your repository and sprint rhythm.

How do you keep AI-generated front-end code maintainable?

Agents generate against a design system, typed data contracts and your conventions; every pull request is reviewed by a senior engineer and must pass tests, type checks, lint and a performance budget. The result is plain TypeScript any React developer can read.

How is this about 5x faster than a traditional agency?

Four things add up: several AI-drafted options at once instead of one at a time, generated boilerplate and tests instead of hand-written setup, reusable component libraries instead of page-by-page builds, and automated checks on every change instead of a manual pass at the end. Review time stays the same; waiting time disappears.

Is AI-assisted work good enough, and is it safe?

AI never ships anything on its own. A senior lead reviews every design and every code change, automated tests and accessibility checks run on each one, and the code is plain TypeScript in your own repository. We do not send your customer data to AI tools without a written agreement.

Who owns the code, the design files and the accounts?

You do, from the first week. Figma, GitHub, CMS and hosting accounts are created under your company, and the contract assigns the IP to you. There is nothing to hand back at the end because it was always yours.

How do you charge: fixed price, monthly retainer or dedicated team?

All three, depending on the shape of the work. A fixed price when the scope is clear, a monthly retainer when the work keeps evolving, and a dedicated designer or engineer pair when you want capacity inside your own team. We recommend one after a short discovery call.

Do you work with companies in the US, UK, Canada or Australia?

Yes, most of our clients are there. Devoq Design has teams in India, Canada and the US, so every project has overlapping hours for reviews and stand-ups. Everything else runs async with recorded walkthroughs, decision logs and written updates in your Slack or Teams.

How do we get started?

Book a 30-minute call or send a short brief. We come back within a few working days with a scope, a plan and a price. Work starts after an NDA and IP assignment are signed and your accounts are set up.