Senior React App Development StudioSenior React
We build production React apps in 8-12 weeks. Fixed price, senior engineers only, zero junior staff.
IRPR is a senior react app development studio. We build production React applications using Next.js, TypeScript, React Query, and Redux Toolkit. Every engineer on your project has 8+ years of experience. No juniors, no contractors, no offshore teams.
Most MVPs ship in 8-12 weeks. Pricing is fixed and starts at $80K for a full-featured application. We handle HIPAA, PCI-DSS, and SOC 2 compliance. Source code stays fully owned by you from day one.
Founders who need a CTO-level React partner hire us. CTOs who need to scale a team without hiring overhead hire us. Product owners who need a budget-safe, timeline-certain build hire us. We work with seed-stage startups through Fortune 500 companies.
Types of software we ship.
Customer portal
Login-secured dashboard for account management, billing history, and support tickets. Built with Next.js and Auth0.
Internal tool admin panel
Custom CRUD interface for managing users, orders, content, and analytics. Uses React Admin and GraphQL.
Data visualization dashboard
Interactive charts, real-time KPIs, and drill-down reports with D3.js and Recharts. Connects to REST or WebSocket feeds.
Ecommerce storefront
High-conversion product catalog with cart, checkout, and payment via Stripe. Built with Next.js and headless CMS.
SaaS application frontend
Multi-tenant UI with feature flags, role-based access, and subscription management. Wraps any backend API.
Real-time collaboration app
Live editing, chat, and notifications using WebSockets, React, and Yjs. Supports conflict-free replicated data types.
Mobile-first progressive web app
Offline-capable React PWA with service workers, push notifications, and app-shell architecture. Scores 95+ Lighthouse.
Headless CMS frontend
Custom React site pulling content from Strapi, Contentful, or Sanity. Server-side rendered for SEO and fast loads.
We build for every business type.
B2B SaaS companies
Ecommerce brands
Healthcare organizations
Fintech companies
Media and publishing
Results from our senior React app development studio
Every React app we ship is measured against real business outcomes, not just code quality.
Our studio has shipped 200+ React applications since 2018. The average time from kickoff to production deployment is 10 weeks. Clients see measurable improvements: one fintech client reduced page load time by 40% after we rebuilt their React app with server-side rendering and code splitting.
We track uptime, error rates, and conversion impact on every project. Our apps average 99.9% uptime over the first 12 months post-launch. Clients who migrate from legacy Angular or jQuery apps see a 25% increase in user engagement within 90 days.
Generic dev shop vs our senior React studio
Most React development shops staff juniors and bill hourly. We take a different approach.
When you hire a generic dev shop, you often get a project manager, a junior React developer, and a lot of scope creep. They bill by the hour, so every change request adds cost. Code quality varies, and you rarely see the production app on time.
We assign only senior React engineers with 8+ years of experience. No juniors, no project managers padding hours. We quote a fixed price in week 2 after a Roadmap phase. If requirements change, we adjust the scope and price transparently. Every client keeps full ownership of all source code.
- Staffed with junior developers
- Hourly billing with no cap
- Unclear scope and delays
- Code ownership often disputed
- No compliance expertise (HIPAA, PCI, SOC 2)
- Average project takes 6+ months
- Senior engineers only (8+ years)
- Fixed price after Roadmap phase
- 8-12 week MVP timeline
- Full source code ownership from day one
- HIPAA, PCI-DSS, SOC 2 built-in
- 45+ engineers on staff, zero contractors
How we build your React app
Our process is built for predictability. Your React app ships on time and on budget.
We use a four-phase process that IRPR has refined over 200+ projects. Each phase ends with a concrete deliverable. No vague milestones, no waiting months for a demo.
Week 1 we onboard your team and set up development environments. By week 2 you see a clickable prototype. By week 8 you have a production-ready app. Every phase has a fixed duration and a fixed cost.
What ships when you hire us
Every project delivers a production-ready React app with full infrastructure and documentation.
We don't hand off a codebase and disappear. Every project ships with a complete package that keeps your team independent. You get the source code, the deployment pipeline, and the monitoring stack.
Your engineers can take over from day one because we document everything: architecture decisions, API endpoints, environment variables, and deployment steps. No black boxes, no hidden configurations.
- Source code in your GitHub/GitLab repo with full commit history
- CI/CD pipeline via GitHub Actions or CircleCI with automated tests
- Sentry error tracking and Datadog performance monitoring
- Dockerized development environment for your team
- Environment-specific configuration for dev, staging, and production
- Readable README with setup instructions and architecture diagram
- Unit tests (Jest + React Testing Library) covering 80%+ of components
- Integration tests for critical user flows (Cypress or Playwright)
- API documentation auto-generated from OpenAPI/Swagger specs
- 30-day post-launch support with 4-hour SLA for critical issues
What we ship in this practice.
SaaS analytics dashboard
A Series A analytics company needed a real-time dashboard for their enterprise customers. We built it with React, D3.js, and WebSockets. The app handles 10,000 concurrent users and reduced data loading time from 12 seconds to under 1 second.
Patient portal for a telehealth startup
A telehealth startup needed a HIPAA-compliant patient portal. We used React, Next.js, and Twilio for video calls. The portal launched in 9 weeks, and patient onboarding time dropped from 15 minutes to 4 minutes.
Ecommerce storefront for a D2C brand
A direct-to-consumer brand wanted a high-converting storefront. We built it with Next.js, Stripe, and Sanity CMS. The site loads in under 2 seconds on mobile, and the client saw a 30% increase in conversion rate post-launch.
Internal CRM for a fintech company
A fintech firm needed a custom CRM for their sales team. We built it with React, React Admin, and Salesforce integration. The team reduced manual data entry by 8 hours per week per sales rep.
Property listing platform for a real estate firm
A real estate firm wanted a custom MLS-style property listing site. We built it with React, Mapbox, and PostgreSQL. The site handles 500,000 listing views per month with 99.9% uptime.
Learning management system for an edtech startup
An edtech company needed a custom LMS with attendance tracking and grade management. We built it with React, Next.js, and Firebase. The platform serves 30,000 students and reduced server costs by 35%.
Why teams hire us.
Fixed price, not hourly billing
We quote a fixed price in the Roadmap phase (week 2). No hourly billing, no surprise invoices, no scope creep charges. If you add features, we adjust the price transparently before work begins.
Senior engineers only, 8+ years each
Every engineer on your project has a minimum of 8 years of professional experience. No juniors, no trainees, no offshore contractors. Our 45-person team averages 12 years of experience.
8-12 week MVP timeline
Most single-page React applications ship in 8 weeks. Complex multi-page apps with integrations ship in 12 weeks. We have never missed a deadline due to poor planning.
Full code ownership from day one
You own all source code, all assets, and all intellectual property. We never license proprietary UI components. You can move to any development team after the project ends.
HIPAA, PCI-DSS, SOC 2 compliance built in
We build compliance into every project from the start. For healthcare clients we use HIPAA-compliant hosting (AWS BAA). For fintech clients we build PCI-DSS Level 1 compliant payment flows.
50+ countries, async-first communication
Our team works across 12 time zones, but we communicate async-first. You get a daily standup summary in writing and a weekly video call. Overlap hours cover EST, PST, and GMT time zones.
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.