Senior React.js Development CompanyDevelopment Company
We build React.js applications with senior-level engineers only. Get an MVP in 8 to 12 weeks with a fixed price.
IRPR builds React.js applications using Next.js, TypeScript, and React Query. We handle server-side rendering, state management, and real-time updates with senior engineers.
Every project ships in 8 to 12 weeks with a fixed price of $80,000 to $250,000. We deliver compliant code for HIPAA, SOC 2, and PCI-DSS environments.
CTOs hire us to scale their frontend without junior overhead. Startups use us to launch MVPs fast. Enterprise teams bring us in for legacy React migrations. Product managers trust our senior-only team to meet deadlines.
Types of software we ship.
Single-Page Applications
Fast, client-rendered apps with React Router and Redux. Ideal for dashboards and tools with complex state.
Progressive Web Apps
Offline-first React.js PWAs with service workers and Lighthouse scores above 90. Works on any device.
Admin Dashboards
Data-rich dashboards with Material-UI, Chart.js, and real-time updates. Used by ops and finance teams.
E-commerce Frontends
React.js storefronts with Next.js, Stripe, and Shopify integration. Built for fast checkout and SEO.
Real-Time Collaboration Tools
WebSocket-driven apps with Socket.io and React. Supports live cursors, chat, and document sync.
Data Visualization Platforms
D3.js and Recharts on React. Handles millions of data points with canvas rendering.
React Native Mobile Apps
Cross-platform iOS and Android apps using React Native. Share code with your web React.js codebase.
Component Libraries & Design Systems
Storybook-driven UI libraries with TypeScript, accessibility, and unit tests. Reusable across products.
We build for every business type.
Startups and Scaleups
Enterprise Applications
E-commerce
Media and Content
Mobile and Progressive Web Apps
Why Senior React.js Developers Matter
Hiring a senior React.js development company means fewer bugs, faster builds, and architecture that scales.
Junior developers cost less but introduce technical debt. Our team of senior React.js engineers averages 8+ years of experience. We skip the trial-and-error phase and ship production-ready code from week 1.
Every project uses TypeScript, Jest, and Cypress from the start. We catch issues early and deploy with confidence. Our on-time delivery rate is 98 percent across 200+ projects.
Senior React.js Development vs Generic Development
Not all React.js development companies are the same. Here is how IRPR differs from generic shops.
Generic dev shops assign junior React developers and bill by the hour. They lack architecture planning and skip testing to meet deadlines. This leads to slow apps and costly rewrites.
IRPR assigns senior React engineers with 8+ years of experience. We produce a detailed Roadmap in week 2, fix the price, and deliver tested, documented code.
- Junior developers with 1-2 years experience
- Hourly billing with no fixed scope
- No architectural planning
- Lack of TypeScript or testing
- Poor documentation
- No post-launch support
- Senior React engineers with 8+ years experience
- Fixed price based on Roadmap
- Architecture review in Week 1
- Full TypeScript, Jest, and Cypress
- Comprehensive documentation and Storybook
- 2 weeks of free post-launch support
Our React.js Development Process
We break every React.js project into four clear phases with fixed milestones.
The process starts with a 2-week Discovery and Architecture phase. We review your requirements, choose the right libraries, and design the component tree. This eliminates surprises.
Then we build the core MVP in weeks 3 to 8. You see a working app every 2 weeks. The final two phases focus on testing, deployment, and launch.
What Ships With Every React.js Project
You don't just get code. Every deliverable includes documentation, tests, and deployment infrastructure.
Our goal is to hand you a production-ready React.js application that your team can extend immediately. We include everything needed to maintain and scale.
- Source code in your private GitHub repository
- CI/CD pipeline with GitHub Actions
- Storybook component library with documentation
- Sentry error tracking and performance monitoring
- Unit and integration tests (80%+ coverage)
- Responsive design for mobile, tablet, and desktop
- SEO optimization with Next.js server-side rendering
- Performance audit and Lighthouse score report
- Deployment scripts for AWS, GCP, or Azure
- 2 weeks of free post-launch bug fixes
What we ship in this practice.
Real-Time Collaboration Dashboard
Built a Slack-like dashboard for a remote team tool. Reduced page load time from 4 seconds to 0.8 seconds using Next.js and React Query. Tech stack: Next.js, TypeScript, Socket.io, PostgreSQL.
E-commerce Storefront Migration
Migrated a legacy Angular app to React.js for a retail brand. Increased conversion by 15 percent after improving mobile load speeds. Tech stack: React, Next.js, Stripe, Shopify API.
Healthcare Patient Portal
Developed a HIPAA-compliant patient portal with React.js. Reduced manual data entry by 8 hours per week per clinician. Tech stack: React, TypeScript, Node.js, AWS.
Fintech Trading Dashboard
Created a real-time trading dashboard with React and WebSockets. Achieved 10 millisecond latency for market data updates. Tech stack: React, Redux, D3.js, WebSocket, Firebase.
EdTech Interactive Learning Platform
Built a React Native mobile app for K-12 education. Increased student engagement by 40 percent with gamified quizzes. Tech stack: React Native, Expo, Firebase, Canvas API.
Real Estate Property Listings App
Developed a React.js property search tool with MLS integration. Cut listing update time from 24 hours to 1 minute. Tech stack: React, Next.js, ElasticSearch, MLS API.
Why teams hire us.
Senior Engineers Only
Every developer on your project has 8+ years of React.js experience. No juniors, no outsourced teams. This means fewer bugs and faster builds.
Fixed Price from Week 2
We deliver a fixed price quote in the Roadmap phase (week 2). No hourly billing, no surprise overruns. You know the cost before coding starts.
8 to 12 Week MVP
Most MVPs ship in 8 to 12 weeks. We have completed over 200 projects in this timeframe. Your team can start user testing by week 10.
Full Ownership of Code
You own all source code, designs, and IP from day one. No licenses, no lock-in. Transfer everything to your team at any time.
Post-Launch Support
Every project includes 2 weeks of free post-launch support. We fix bugs, handle deployment issues, and monitor errors with Sentry.
Compliance Ready
We build for HIPAA, PCI-DSS, SOC 2, and FERPA environments. Our React.js apps pass third-party audits without changes.
Idea → Roadmap → Product → Release.
Every engagement runs through the same four-stage pipeline. Predictable by design.
Questions clients ask first.
Related services and industries.
Ready to build? Let's talk.
30-minute discovery call. No deck. We'll tell you honestly what it takes, how long, and how much.