Senior Startup Web App Development ConsultantsDevelopment Consultants
We build MVPs for startups in 8-12 weeks. Fixed pricing, senior-only teams, zero fluff.
IRPR builds web apps for startups using React, Next.js, Node.js, Python, and PostgreSQL. We handle architecture, CI/CD, and deployment on AWS or GCP.
We ship a production-ready MVP in 8-12 weeks with a fixed price of $80,000 to $250,000. All projects comply with SOC 2, PCI-DSS, or HIPAA as needed.
Founders who need a technical co-founder, CTOs scaling their product, and non-technical founders with a validated idea hire us to de-risk execution.
Types of software we ship.
Startup MVP web app
Build a working product for investors and early users. Uses Next.js and PostgreSQL for fast iteration.
Marketplace platform
Connect buyers and sellers with payments, chat, and search. Integrates Stripe, Algolia, and Mapbox.
SaaS dashboard
Display real-time metrics and allow user management. Built with React, D3.js, and Auth0 for authentication.
Admin panel
Manage users, content, and analytics from a single interface. Uses React Admin and Firebase.
Real-time collaboration tool
Enable simultaneous editing and chat with WebSockets. Stack includes Socket.io, Redis, and MongoDB.
Data-heavy web app
Visualize large datasets and run reports. Built with Python, Pandas, and Chart.js on AWS.
Payment platform
Process subscriptions, invoices, and payouts. Integrates Stripe Billing and Plaid for ACH.
API-first web app
Expose REST and GraphQL endpoints for third-party integration. Uses Node.js, Express, and Apollo Server.
We build for every business type.
early-stage startups
seed and Series A startups
B2B SaaS startups
marketplace and platform startups
fintech and healthcare startups
How senior startup web app development consultants deliver results
We bring deep technical experience to every startup engagement.
IRPR assigns a team of senior engineers with an average of 12 years of experience. Every project starts with a Roadmap phase that produces a fixed price quote and detailed architecture.
We have shipped over 200 products across 50 countries. Our on-time delivery rate is 98%, and we guarantee 99.9% uptime for all production deployments.
Why generic dev shops fall short for startups
Most agencies can't keep up with startup velocity.
Generic dev shops use junior-heavy teams and hourly billing that inflates costs. They often take 16+ weeks to deliver an MVP with no fixed scope.
IRPR operates differently. We assign only senior engineers, provide a fixed price from day one, and deliver in 8-12 weeks with full production readiness.
- Hourly billing, no fixed price
- Junior-heavy teams
- Scope creep accepted
- No architecture review
- Slow delivery 16+ weeks
- No post-launch support
- Fixed price from day one
- Senior engineers only (10+ years)
- Roadmap phase locks scope
- Architecture review in week 1
- 8-12 week delivery
- Sentry, CI/CD, monitoring included
Our engagement process for startup web app development
We follow a structured 4-phase approach.
Each engagement is split into four clear phases. This guarantees transparency, fixed pricing, and a working product at the end.
What ships with your startup web app
Every project includes these deliverables.
No surprises. Here's everything you get.
- Source code in your private GitHub repo
- CI/CD pipeline via GitHub Actions
- Deployed on AWS/GCP with auto-scaling
- Sentry error tracking
- DataDog monitoring
- Stripe/Plaid integration ready
- User authentication (Auth0/Firebase)
- API documentation (OpenAPI/Swagger)
- Admin dashboard UI
- Performance testing report
What we ship in this practice.
Fintech dashboard for reconciliation
Built a real-time dashboard that reduced manual reconciliation by 12 hours per week. Stack: Next.js, Node, PostgreSQL, Stripe, Plaid. Industry: fintech.
Healthcare patient portal
Developed a telemedicine platform with automated reminders that cut appointment no-shows by 30%. Stack: React, Python, Twilio, HIPAA-compliant. Industry: healthcare.
SaaS billing platform with usage-based pricing
Created a subscription and metered billing system that increased recurring revenue by 40%. Stack: Next.js, Stripe, MongoDB. Industry: saas.
Marketplace for local services
Launched a two-sided marketplace that on-boarded 500 providers in 2 months. Stack: React, Node, PostgreSQL, Mapbox. Industry: real-estate.
Custom ecommerce store with headless CMS
Built a headless Shopify storefront that reduced cart abandonment by 25%. Stack: Next.js, Shopify API, Stripe. Industry: ecommerce.
EdTech learning management system
Scaled to 10,000 students in the first semester with a custom LMS. Stack: React, Python, AWS, FERPA-compliant. Industry: edtech.
Why teams hire us.
Fixed price, not hourly
Every project gets a fixed quote in the Roadmap phase (week 2). No hourly billing, no surprise invoices, no scope creep charges.
Senior engineers only
Our team average is 12 years of experience. No juniors, no offshore fluff, no learning on your dime.
8-12 week MVPs
We have shipped 200+ products, and our average time to first release is 10 weeks. You get a working product fast.
Full code ownership
You own the source code, IP, and all assets from day one. We build it, you keep it.
Compliance built in
We design for SOC 2, HIPAA, PCI-DSS from the start, not as an afterthought. No retrofitting needed.
Post-launch support included
Every project comes with 30 days of free production support and a 99.9% uptime SLA.
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.