React Development Company for US Startups & SMBs
MicroPyramid is a React development company that builds React, Next.js, and React Native apps for US founders and engineering teams: product UIs, dashboards, and portals, built with AI-assisted engineering under expert review.
Our React Development Services
Web apps, migrations and support, all on React
Custom React Web Applications
Single-page apps, dashboards and portals built from reusable React components.
- Server-Side Rendering
- Progressive Web Apps
- Real-time Applications
React Migration & Upgrades
Move jQuery, AngularJS or server-rendered front-ends to React screen by screen, or upgrade older React apps.
- Legacy System Migration
- React 19 Upgrades
- Performance Optimization
Maintenance & Support
Bug fixes, dependency and security updates, and React version upgrades for applications already in production.
- Ongoing Technical Support
- Security Updates
- Performance Monitoring
Public, search-indexed site? See Next.js development. iOS and Android apps? See mobile development. React engineers inside your own team? See dedicated development teams.
Why Product Teams Choose ReactJS
What React gives a product team, and how we use it
Code-Splitting and Lazy Loading
Route-level code-splitting, lazy loading and memoized rendering keep bundle sizes and re-renders under control
SEO-Optimized Applications
Server-side rendering with Next.js and dynamic meta tags make pages easy for search engines to crawl and index
Safer Rendering by Default
JSX escapes rendered values by default, which blocks the most common XSS mistakes; we add dependency audits to CI
Reusable Components
Shared component libraries documented in Storybook, so new screens reuse parts that are already tested
AI Features
Streaming chat UIs, RAG search and in-app assistants connected to your own data and APIs
Our Development Process
Four stages, from scoping to ongoing support
Discovery & Planning
Requirements analysis, technical architecture design, and project roadmap creation
Agile Development
Iterative development with regular sprints, demos, and continuous client feedback
Quality Assurance
Unit and component tests with Vitest and React Testing Library, end-to-end tests with Playwright, run in CI
Deployment & Support
Cloud deployment, performance optimization, and ongoing maintenance support
Our React Technology Stack
The React ecosystem tools we use for UI, state, data fetching and testing
Frameworks
Libraries
Tools & Testing
React Development FAQ
Straight answers to what US founders and CTOs ask us before starting a React project.
What drives the cost of React development?
Cost is driven by scope, the number and depth of integrations, overall complexity, and any compliance or security requirements. Rather than quote blind, we start with a fixed-scope Discovery Sprint that gives you a concrete estimate, timeline, and architecture plan before you commit to a full build.
How long does it take to build a React application?
It depends on scope, integrations, and how settled the requirements are. The Discovery Sprint ends with a timeline for your specific scope, so you know the schedule before you commit to the build.
Should we use Next.js or plain React?
Use Next.js when SEO, fast first-load, or server-side rendering matter: marketing sites, content-heavy apps, and public-facing products. Plain React (Vite) is the better fit for authenticated dashboards and internal tools where SEO is irrelevant. We recommend the one that fits your product, not the one we want to sell.
Can you build cross-platform mobile apps with React Native?
Yes. We build React Native apps that share most of their code across iOS and Android while rendering native UI components. It is the right choice when you want one codebase and one team across web and mobile instead of maintaining three.
Can you migrate or upgrade our existing front-end to React?
Yes. We migrate legacy jQuery, Angular, or server-rendered front-ends to React incrementally, without a reckless big-bang rewrite, and upgrade older React apps to React 19 with current tooling, hooks, and performance fixes.
Who owns the code and intellectual property?
You do. You retain full ownership of all source code, IP, and infrastructure we build, and we deploy to your cloud accounts. We sign NDAs and IP-assignment agreements before work begins.
Do you work with US companies?
Yes, we work with US companies and have an office in Plano, Texas, and we respond within 24 hours. You work directly with experienced React engineers, not a rotating bench of juniors or account managers.
Can you add AI features to our React application?
Yes. We embed retrieval-backed (RAG) search, in-app copilots, and AI assistants directly into React products, grounded in your own data, with citations and a fallback when the model is not confident.
Ready to Build Your React Application?
Get a free consultation and quote for your project. Tell us what you are building, what exists today and what needs to ship first.