Professional Startup Web App Development DevelopersDevelopers
We build your startup web app in 8-12 weeks with senior engineers. Fixed price, no surprises, full code ownership.
IRPR builds professional startup web apps using React, Next.js, TypeScript, Node.js, and PostgreSQL. We do not use offshore teams or junior developers — every engineer has 10+ years of experience and has shipped production apps.
A typical MVP ships in 8-12 weeks with a fixed price between $80K and $250K. All projects include CI/CD pipelines, automated testing, and compliance documentation for SOC 2, HIPAA, or PCI-DSS as needed.
Founders who need a technical co-founder, CTOs scaling beyond a prototype, product teams launching a new vertical, and investors looking for a proven build partner all hire IRPR for professional startup web app development.
Types of software we ship.
Minimum Viable Product (MVP)
A stripped-down, launch-ready web app with core features. Includes user authentication, payment processing via Stripe, and a basic admin panel.
SaaS Platform
Multi-tenant subscription-based web app with billing (Stripe/Recurly), user roles, and analytics dashboards. Scalable from day one.
Marketplace App
Two-sided marketplace connecting buyers and sellers. Features include search, listings, escrow payments, and review systems.
Dashboard & Analytics Tool
Data-heavy web app with interactive charts (D3.js), real-time updates via WebSockets, and exportable reports.
Internal Tool / Admin Panel
Custom CRUD interfaces, role-based access control, and integrations with internal APIs. Built with React Admin or Retool.
CRM for Startups
Sales pipeline management, lead scoring, email integration (SendGrid), and custom reporting. Built on Next.js and PostgreSQL.
E-commerce Storefront
Headless e-commerce built on Shopify or Commerce Layer with custom frontend in Next.js. Supports multi-currency and dynamic pricing.
API Backend & Microservices
Fast, secure RESTful or GraphQL APIs using Node.js, Apollo Server, and AWS Lambda. Designed for high concurrency and easy scaling.
We build for every business type.
B2B SaaS
HealthTech
FinTech
E-commerce
EdTech
Why Choose IRPR for Professional Startup Web App Development
Our track record and process deliver production-ready web apps that startups can scale.
Every project begins with a two-week Roadmap phase where we define scope, tech stack, and a fixed price. You get a detailed project plan with story maps before a single line of code is written. This phase costs $10K and is applied to the build.
We have shipped over 200 products across 15 industries. Our developers work in US time zone overlap hours (8am-12pm ET, 9am-1pm PT) for daily standups. The rest of the day is async deep work, so you get 6-8 hours of focused development per day per engineer.
The Difference Between IRPR and Generic Dev Shops
Most agencies charge by the hour and deliver after deadlines. IRPR works differently.
When you hire a generic dev shop, you get junior developers, unclear requirements, and hourly billing that inflates costs. Sprints often slip, and you rarely get to talk to the actual engineers.
IRPR assigns senior engineers only — each has 10+ years of experience. We give you a fixed price after the Roadmap phase, a dedicated project manager, and direct access to the development team via Slack. You own the code from day one.
- Junior developers with 1-3 years experience
- Hourly billing with scope creep
- No upfront planning or roadmap
- Delays of 2-4 weeks on every project
- Unclear code ownership (sometimes IP disputes)
- Hard to reach engineers during the day
- Senior engineers with 10+ years experience
- Fixed price after Roadmap phase
- Two-week Roadmap with story maps and wireframes
- On-time delivery — 98% track record
- Full code ownership — source code in your repo
- Direct Slack access to dev team during overlap hours
Our Process for Startup Web App Development
A structured 4-phase approach that de-risks your project from day one.
Phase 1: Idea Validation and Roadmap. We spend 2 weeks refining your concept, mapping user stories, selecting a tech stack (React/Next.js/Node.js), and defining a fixed price. You approve the roadmap before any coding starts.
Phases 2-4: Build, Test, Launch. Each development sprint is 2 weeks long. We demo at the end of each sprint. You get a staging environment with CI/CD from week 3. Production launch includes monitoring with Sentry and Datadog.
What Ships with Every Startup Web App
Every project includes production-ready deliverables, not just a codebase.
We do not treat the launch as an endpoint. Every professional startup web app we build comes with monitoring, documentation, and deployment scripts. You can hand it to your own team or keep us for ongoing support.
All projects include a 30-day post-launch maintenance period where we fix any bugs and make minor adjustments. After that, you can continue with a monthly retainer or take the code in-house.
- Source code in your private GitHub repo
- CI/CD pipeline (GitHub Actions or CircleCI)
- Staging and production environments on AWS or Vercel
- Automated unit and integration tests (Jest, Cypress)
- Sentry error tracking and Datadog monitoring
- Admin panel (React Admin or custom)
- User authentication (Auth0 or Firebase Auth)
- API documentation (Postman or Stoplight)
- Database schema and migration scripts
- One-pager ops runbook for your team
What we ship in this practice.
SaaS MVP for B2B Analytics
Built a multi-tenant analytics platform for a YC startup in 10 weeks. Includes Stripe billing, role-based access, and real-time dashboards. Reduced time to first customer from 6 months to 10 weeks. Tech: Next.js, PostgreSQL, Redis, Chart.js.
Telemedicine Portal (HIPAA)
Developed a HIPAA-compliant telemedicine portal for a HealthTech startup. Features include video calls (Twilio), e-prescriptions, and patient scheduling. Launched in 12 weeks with SOC 2 Type II certification. Tech: React, Node.js, AWS, Twilio Video.
Payment Dashboard for FinTech
Created a PCI-DSS Level 1 compliant payment dashboard for a fintech startup. Handles $2M in monthly transactions with fraud detection alerts. Built in 8 weeks. Tech: Next.js, Stripe Connect, Prisma, PostgreSQL.
E-commerce Marketplace
Launched a two-sided marketplace for handmade goods in 9 weeks. Includes search (Algolia), reviews, commission-based payments, and vendor dashboards. Processed 5,000 orders in first three months. Tech: Next.js, Shopify Storefront API, Stripe, AWS Lambda.
EdTech Learning Management System
Built a FERPA-compliant LMS for an education startup serving 10K students. Features include course authoring, quizzes, progress tracking, and SSO with Google. Delivered in 11 weeks. Tech: React, Node.js, MongoDB, AWS S3.
Real Estate Lead Management CRM
Developed a custom CRM for a real estate startup that reduced manual data entry by 8 hours per week per agent. Integrates with MLS listings and sends automated email campaigns. Shipped in 10 weeks. Tech: Next.js, PostgreSQL, SendGrid, Zapier.
Why teams hire us.
Fixed price, not hourly
Every project gets a fixed quote after the 2-week Roadmap phase. No hourly billing, no surprise invoices, no scope creep charges. You know the total cost before development begins.
Senior engineers only
All developers have 10+ years of experience and have shipped production apps. No juniors. Your project is staffed with engineers who have built and scaled apps similar to yours.
Full code ownership
You own 100% of the source code from the first commit. We push to your GitHub repo. No licensing fees, no IP disputes. You can take the code and switch teams at any time.
Compliance baked in
We build with HIPAA, SOC 2, PCI-DSS, and FERPA compliance from the start. No retrofitting. We include audit logs, encryption, and access controls in the initial architecture.
Asynchronous-first delivery
Our team works across US time zones with daily overlap for standups. The rest of the day is deep work. You get 6-8 hours of focused development per engineer per day, not 4.
Dedicated project manager
A PM handles communication, sprint planning, and reporting. You talk to the engineers during standups, but the PM ensures nothing falls through the cracks. Regular status updates every Monday.
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.