How long does it take to build custom React.js apps?

IRPR ships custom React.js apps in 8-12 weeks. Full Idea-Roadmap-Product-Release framework guarantees timeline.

What tech stack do you use for custom React.js development?

IRPR stacks React 18, Next.js 14, TypeScript 5, Tailwind CSS. Backends PostgreSQL or Supabase with Vercel deploy.

Can you integrate custom React.js apps with Stripe?

Yes, IRPR integrates Stripe in all React apps. Handles subscriptions, webhooks, 99% uptime payments.

Do you build custom React.js apps for healthcare?

Yes, IRPR builds HIPAA-compliant React apps for healthcare. Supports FHIR APIs, encrypted data in 8 weeks.

Do you have a fixed price for custom React.js development?

Yes, IRPR sets fixed price post-Roadmap week 2. $60K-$200K range, no changes or hourly add-ons.

Who owns the code after the custom React.js project?

Buyer owns 100% code after Release phase. IRPR transfers GitHub repo with full access in week 12.

How quickly can we start custom React.js development?

IRPR starts in 1-2 weeks post-discovery call. Contract signs, Idea phase kicks off with 5-day validation.

Can IRPR scale enterprise React.js apps?

Yes, IRPR scales React apps to 100k users. Next.js SSR, Redis cache, 99.9% uptime targets met.

What experience does IRPR have in React.js?

IRPR shipped 200+ React products to 50+ countries. Senior team averages 12y React experience, 98% on-time.

studio.online·50+ countries

est. 2026·parent: irpr.agency ↗

Senior React Experts

Custom React.js Development FirmIRPR

IRPR runs a custom React.js development firm. Buyers get MVPs in 8-12 weeks with fixed pricing.

See our work

200+Products Shipped

50+Countries Served

98%On-Time Delivery

8-12wMVP Timeline

─── [ how it works ] ───

Idea

discovery + brief

wk 1-2

Roadmap

architecture + price

wk 2

Product

design + build + test

wk 3-12

Release

launch + support

wk 12+

what ships

Source codeCI/CDTestsDocsMonitoringHandoff

compliance ready

React 18Next.js 14TypeScript

IRPR builds custom React.js web apps. Uses React 18, Next.js 14, TypeScript 5. Integrates Tailwind CSS for UI.

MVPs ship in 8-12 weeks. Fixed prices $60K-$200K. Code meets HIPAA, PCI-DSS, SOC 2 standards.

SaaS CTOs need scalable dashboards. Fintech VPs require secure UIs. Ecommerce GMs want fast storefronts. EdTech directors seek interactive platforms.

─── [ what we build ] ───

Types of software we ship.

SaaS Admin Dashboard

Manages users and billing with Stripe API calls. Real-time metrics via Socket.io. TypeScript enforced, Zustand for state.

Ecommerce Storefront

Displays 10K+ products with infinite scroll. Shopify headless integration. Next.js SSR for SEO, Swiper for carousels.

Customer Portal

Self-serve accounts with Clerk auth. File uploads to S3. React Query for data fetching, reduces API calls 70%.

Real Estate Listings

MLS data sync with map views Leaflet.js. Filter by price/location. PWA installable, offline capable.

Healthcare Patient App

HIPAA portal with FHIR API reads. Appointment booking Calendly embed. Encrypted sessions with React Context.

Fintech Trading UI

Live charts TradingView widget. PCI-DSS wallet views. WebSocket feeds from Alpaca API.

EdTech Learning Platform

Interactive courses with Video.js player. Quiz engine custom hooks. FERPA data isolation per tenant.

Logistics Tracker

Real-time shipment maps Google Maps API. Route optimization UI. Integrates Shippo for labels.

─── [ built for your business ] ───

We build for every business type.

React.js for

Healthcare

HIPAA clinicstelehealth startupspatient portalsdental officesveterinary clinicshome health agenciesmental health appstherapy booking sites

React.js for

Fintech

PCI-DSS bankstrading platformspayment gatewayscrypto walletslending appsinsurance quotesinvestment trackersfraud dashboards

React.js for

Ecommerce

PCI storefrontswholesale portalssubscription shopsmarketplacesdropship UIsinventory viewerscart checkoutsvendor dashboards

React.js for

SaaS

SOC 2 toolssubscription MVPsanalytics panelsCRM frontendsworkflow builderscollaboration appsHR platformsproject trackers

React.js for

EdTech

FERPA schoolsLMS platformstutoring sitescourse buildersstudent portalsquiz appsvirtual classroomsgrading tools

/01

Fast Custom React.js Development Firm

IRPR ships React.js MVPs in 8-12 weeks.

Framework covers Idea to Release phases.

React 18 handles 100k+ users with code splitting.

Products

200+

Countries

50+

On-Time

98%

Uptime

99.9%

/02

IRPR vs Generic React.js Firm

Custom React.js development firm must deliver reliably.

Generic shops use juniors on hourly rates.

IRPR seniors guarantee fixed scopes.

the difference

✗ generic dev shop

1-3y junior devs
hourly $40-70/hr
delays 4-8 weeks
no TypeScript mandate
ignores HIPAA/PCI
scope creep adds 30% cost

✓ IRPR

10+y senior React engineers
fixed $60K-$200K
98% on-time in 8-12w
TypeScript 100% enforced
HIPAA PCI-DSS code
locked scope no creep

/03

IRPR Framework for React.js

Custom React.js development firm follows 4 phases.

Idea phase validates in 1 week.

Roadmap quotes fixed price week 2.

Idea

Gather requirements in 5 days. Run user interviews with 10 stakeholders. Define MVP scope.

Roadmap

Build wireframes in Figma week 2. Quote fixed $60K-$200K. Sign contract.

Product

Code React app weeks 3-10. Daily standups 30min UTC overlap. 80% test coverage.

Release

Deploy to Vercel week 12. Train team 4 hours. Handover repo access.

/04

React.js Deliverables from IRPR

Every custom React.js development firm project ships complete.

Includes source code and CI/CD.

ships by default

React 18 source code
Next.js 14 app router
TypeScript definitions
Tailwind CSS themes
Vercel production deploy
Jest unit tests 80%
Cypress E2E tests
Docker production image
Sentry error tracking
GitHub Actions CI/CD
Storybook component docs

─── [ use cases ] ───

What we ship in this practice.

saas

SaaS Subscription Dashboard

Cut billing queries 50% with self-serve React UI. Handles 5k users/day. Next.js, Supabase, Stripe.

◆ shipped pattern

ecommerce

Ecommerce Product Catalog

Boosted conversion 25% via fast SSR pages. 20k SKUs indexed. Next.js, Shopify API, Algolia search.

◆ shipped pattern

fintech

Fintech Wallet Portal

PCI-DSS secure views reduced fraud 40%. Real-time balances. React, Plaid, PostgreSQL.

◆ shipped pattern

healthcare

Healthcare Patient Portal

HIPAA app cut calls 6 hours/week. Appointment slots via API. React, FHIR, Auth0.

◆ shipped pattern

real-estate

Real Estate MLS Viewer

Map listings load in 2s for agents. MLS sync daily. React, Leaflet, Resend emails.

◆ shipped pattern

edtech

EdTech Quiz Platform

FERPA quizzes score 10k students/month. Adaptive UI. React, Canvas LMS API, Vercel.

◆ shipped pattern

─── [ why irpr ] ───

Why teams hire us.

Senior React Engineers Only

All IRPR devs average 12y experience. 200+ React projects shipped across team.

Fixed Price Week 2

Roadmap phase delivers quote $60K-$200K. No hourly billing post-contract.

8-12 Week MVPs

Framework hits 98% on-time delivery. React apps live in 60-90 days.

Compliance Code Ready

HIPAA PCI-DSS audits pass first review. SOC 2 Type 1 in 4 weeks extra.

Full Code Ownership

Repo transfers day 1 post-Release. No IRPR licenses or watermarks.

Global Async Teams

50+ countries served with 4h UTC overlap. Tools Slack Jira Vercel.

─── [ how we engage ] ───

Idea → Roadmap → Product → Release.

Every engagement runs through the same four-stage pipeline. Predictable by design.

stage · 01

I·1

Idea

discovery · brief

stage · 02

R·2

Roadmap

architecture · plan

stage · 03

P·3

Product

design · build · ship

stage · 04

R·4

Release

rollout · handoff

─── [ faq ] ───

Questions clients ask first.

IRPR fixes prices for custom React.js development at $60K-$200K. Quote comes week 2 Roadmap phase after scope review.

─── [ explore ] ───

Related services and industries.

Services

Web App Development Mobile App Development AI Integration SaaS MVP Development Ecommerce Development Cloud & DevOps UI/UX Design Data & Analytics

Industries

Healthcare Fintech E-commerce SaaS Real Estate EdTech Manufacturing Logistics Media Travel

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.