Senior Frontend Development AgencyFrontend Development
We build production-grade frontends with React, TypeScript, and Next.js. Ship faster with a team that averages 10+ years of senior experience.
IRPR is a senior frontend development agency that builds production-grade user interfaces using React, TypeScript, Next.js, Vue, and Angular. We architect component libraries, design systems, and high-performance SPAs that scale to millions of users.
Every project ships a production-ready frontend in 8 to 12 weeks. Pricing is fixed and typically ranges from $80,000 to $250,000. We include accessibility compliance (WCAG 2.1 AA), performance budgets, and full CI/CD pipelines by default.
CTOs hire us to augment their team with senior frontend engineers. Product managers come to us for complex UI that their in-house team cannot handle. Startups choose us for a fast, production-grade MVP. Enterprises work with us to modernize legacy frontends.
Types of software we ship.
Single-Page Application (SPA)
Client-side rendered apps with React or Vue. Includes routing, state management, and API integration. Ships with Next.js or Nuxt if needed.
Progressive Web App (PWA)
Offline-capable web apps with service workers, push notifications, and install prompts. Built with Workbox and Lighthouse audits.
Design System
Token-based design system with React components, Storybook documentation, and Figma sync. Supports multiple brands and themes.
Component Library
Reusable UI component library with unit tests, accessibility checks, and versioned releases. Distributed via npm or GitHub packages.
Dashboard & Analytics UI
Data-heavy dashboards with real-time charts, tables, and filters. Uses D3.js, Recharts, and WebSockets for live updates.
E-commerce Storefront
High-conversion storefronts built with Next.js, Stripe, and Shopify Storefront API. Features ISR, cart, and checkout flows.
Landing Page & Marketing Site
Fast, SEO-optimized landing pages with Tailwind CSS and Framer Motion animations. Integrated with CMS like Contentful or Sanity.
Mobile App Frontend (React Native)
Cross-platform mobile apps with React Native. Shares code with web components via React Native Web.
We build for every business type.
SaaS companies
E-commerce brands
Fintech companies
Healthcare organizations
Media & entertainment
Why senior frontend engineers matter for your project
A senior frontend team delivers more than just UI — they architect for performance, maintainability, and scale.
Junior-heavy teams often produce code that works today but becomes technical debt tomorrow. Senior engineers write clean, modular components that are easy to test and extend. They enforce performance budgets and accessibility standards from day one.
IRPR's senior team has shipped over 200 frontend projects across 50 countries. We use tools like React, TypeScript, Next.js, and Storybook to build frontends that load in under 2 seconds and score 95+ on Lighthouse.
Generic agency vs. senior frontend specialists
The difference shows in code quality, performance, and long-term maintainability.
Many agencies staff junior developers to keep costs low. The result is slow page loads, inconsistent components, and no accessibility compliance. You end up paying for rewrites within a year.
IRPR assigns only senior engineers with 10+ years of experience. We build custom design systems, automate testing, and deliver frontends that perform and scale.
- Junior-heavy team with 2-3 years experience
- Slow page loads (Lighthouse 50-70)
- No component library or design system
- No accessibility audit or WCAG compliance
- No performance budget or monitoring
- Manual deployment, no CI/CD for frontend
- Senior engineers only (10+ years average)
- Lighthouse score 95+ on every project
- Custom design system with Storybook
- WCAG 2.1 AA compliance built-in
- Performance budget enforced with Lighthouse CI
- Automated visual regression testing with Chromatic
Our frontend development process
From concept to deployment, we follow a structured 4-phase approach.
Every project starts with a 2-week Roadmap phase where we define architecture, component hierarchy, and performance targets. This phase costs a fixed fee and gives you a detailed plan and quote.
After approval, we move into development. We deliver working software every two weeks with demos and code reviews. The final phase includes load testing, accessibility audit, and production deployment.
What ships with every frontend project
You get more than just code — you get a complete frontend delivery package.
Every project includes a production-ready frontend, full documentation, and automated pipelines. You can hand the code to any team immediately.
- Source code in your GitHub repository
- CI/CD pipeline with GitHub Actions
- Storybook component documentation
- Automated unit tests (Jest) and e2e tests (Cypress)
- Lighthouse performance report (target 95+)
- WCAG 2.1 AA accessibility compliance report
- Design system tokens (colors, typography, spacing)
- Deployment to Vercel, Netlify, or your own infrastructure
- Sentry error tracking with alerts
- Analytics integration (Google Analytics or Mixpanel)
What we ship in this practice.
Real-time analytics dashboard for fintech
Built a real-time dashboard with React, D3.js, and WebSockets. Reduced data load time by 60% and enabled live trading insights for 10,000+ users. Tech stack: React, TypeScript, Recharts, Socket.io.
Healthcare patient portal redesign
Migrated a legacy jQuery portal to React with TypeScript and Tailwind CSS. Improved page load time by 70% and achieved WCAG 2.1 AA compliance. Tech stack: React, Next.js, Tailwind CSS, Cypress.
E-commerce storefront for D2C brand
Developed a Next.js storefront with ISR and Stripe integration. Increased conversion rate by 25% and reduced bounce rate by 40%. Tech stack: Next.js, Stripe, Shopify Storefront API, Vercel.
SaaS collaboration tool UI
Built a real-time collaborative editor with React, ProseMirror, and WebSockets. Enabled 500+ concurrent users with sub-100ms latency. Tech stack: React, ProseMirror, Socket.io, AWS.
Design system for enterprise media company
Created a comprehensive design system with React, Storybook, and Figma tokens. Reduced UI development time by 50% across 5 product teams. Tech stack: React, Storybook, Figma Tokens, Chromatic.
Mobile app frontend for logistics tracking
Developed a cross-platform mobile app with React Native for real-time shipment tracking. Reduced time-to-market by 40% compared to native development. Tech stack: React Native, Expo, GraphQL, Firebase.
Why teams hire us.
Senior engineers only, no juniors
Every engineer on your project has 10+ years of frontend experience. No junior developers learning on your dime. Our team averages 12 years in the industry.
Fixed price, not hourly
We quote a fixed price during the Roadmap phase (week 2). No hourly billing or surprise overages. You know the total cost before development starts.
8-12 week MVP delivery
We ship a production-ready frontend MVP in 8 to 12 weeks. Our record is 6 weeks for a healthcare portal. Every sprint delivers working software.
Full code ownership
You own 100% of the source code and IP. We push to your GitHub repo from day one. No proprietary frameworks or lock-in.
Performance-first engineering
We enforce a performance budget and target Lighthouse scores of 95+. Our average page load time is under 2 seconds for complex apps.
Accessibility compliance built-in
We test for WCAG 2.1 AA compliance in every sprint. All projects include an accessibility audit report. We use axe-core and manual testing.
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.
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