Senior Startup Software Development ServicesDevelopment Services
Senior engineers with 10+ years of experience build your MVP in 8-12 weeks. Fixed price, no surprises, full code ownership.
IRPR builds full-stack web and mobile applications for startups using React, Next.js, Python, and PostgreSQL. Every project is led by senior engineers with an average of 12 years of experience who write clean, maintainable code from day one.
We ship production-ready MVPs in 8-12 weeks at a fixed price between $80,000 and $250,000. Our teams have delivered compliant solutions for HIPAA, PCI-DSS, SOC 2, and FERPA across 50+ countries.
CTOs who need to de-risk technical execution, founders launching a first product, and product managers scaling a validated idea hire IRPR. They get senior talent, predictable budgets, and zero downtime.
Types of software we ship.
Web App Development
React, Next.js, and Tailwind CSS for fast, responsive dashboards and customer-facing portals.
Mobile App Development
React Native and Swift for cross-platform iOS/Android apps with offline support and push notifications.
Custom API Development
RESTful and GraphQL APIs built with Node.js or Python, connected to PostgreSQL or MongoDB.
SaaS MVP Development
Multi-tenant SaaS platforms with Stripe integration, user roles, and usage-based billing.
AI Chatbot Development
GPT-4 and LangChain powered chatbots that handle customer support, lead qualification, and internal queries.
Data Pipeline Development
Apache Kafka and Airflow pipelines that process 10M+ events per day with Snowflake storage.
DevOps & Cloud Setup
AWS ECS and GitHub Actions CI/CD pipelines that deploy zero-downtime releases to production.
UI/UX Design for Startups
Figma prototypes and user research sessions that reduce bounce rate by 30% before a single line of code.
We build for every business type.
healthcare startups
fintech startups
ecommerce startups
SaaS startups
AI and data startups
Why senior engineers matter for startup software development
Startups face high failure risk. Senior engineers reduce that risk by shipping faster and avoiding costly rewrites.
A junior team might take 6 months to learn your stack and refactor bad decisions. IRPR senior engineers have built 200+ products across 50+ countries. They write production-ready code from the first sprint.
Our clients see 98% on-time delivery and an average MVP timeline of 12 weeks. That speed comes from engineers who have shipped similar apps before and know which patterns work.
Junior vs senior software development teams for startups
The difference is a working product in months versus a stalled project in years.
Junior-led shops often underestimate complexity. They skip testing, ignore security, and burn through budgets without delivering production-ready code.
IRPR teams are staffed exclusively with senior engineers who have delivered compliant, scalable systems for healthcare, fintech, and SaaS startups.
- Developers with 1-3 years of experience
- High turnover and knowledge loss
- No automated tests or CI/CD
- Scope creep and missed deadlines
- No compliance experience (HIPAA, PCI)
- Slow development cycles, 6+ months for MVP
- Senior engineers with 10+ years average experience
- Stable team with full project ownership
- Code reviews, unit tests, and GitHub Actions CI/CD
- Fixed price, delivered on time, 98% on-time
- HIPAA, PCI-DSS, SOC 2, FERPA expertise built in
- 8-12 week MVP delivery with full source code
Our process for senior startup software development
Four phases from idea to production release. Each phase has a clear deliverable.
We kick off with a 2-week discovery phase to define architecture, user flows, and a fixed price. Then we prototype, build iteratively, and deploy.
What you get when you build with IRPR
Every senior startup software development project includes these deliverables by default.
No hidden fees, no licensing traps, no knowledge black holes. Everything is yours.
- Full source code in your private GitHub repository
- CI/CD pipeline on GitHub Actions
- Sentry error monitoring with real-time alerts
- Automated unit and integration tests
- Deployment to AWS, GCP, or Azure
- Technical documentation (architecture, API, deployment)
- Sprint reports and recorded demos
- Post-launch support plan for 3 months
- API documentation with Swagger/OpenAPI
- Performance audit and Lighthouse score report
What we ship in this practice.
HIPAA-compliant telehealth app
Built a video consultation platform using React Native, WebRTC, and Twilio. Reduced patient wait time by 40% and increased monthly bookings by 60% for a healthcare startup.
Stripe-integrated payment gateway for a neobank
Developed a subscription billing engine with Node.js and PostgreSQL. Processed $2M in transactions during the first month of launch.
Multi-vendor marketplace for an ecommerce startup
Built with Next.js, Sanity CMS, and Shopify integration. Onboarded 200 sellers in the first quarter and reached $500K GMV.
Real-time analytics dashboard for a data SaaS
Created a dashboard ingesting 10M events per day using Apache Kafka, React, and D3.js. Reduced reporting latency from 24 hours to 2 seconds.
MLS-integrated CRM for a proptech startup
Built a custom CRM with MLS data sync using Ruby on Rails and PostgreSQL. Cut manual data entry by 15 hours per week per agent.
FERPA-compliant learning management system
Delivered a platform with React, Node.js, and AWS Cognito. Supported 5,000 concurrent users during launch week with 99.9% uptime.
Why teams hire us.
Fixed price, not hourly
Every senior startup software development project gets a fixed quote after the 2-week Roadmap phase. No hourly billing, no surprise invoices, no scope creep charges.
Senior engineers only (10+ years)
IRPR does not staff juniors or mid-level developers. Our average engineer has 12 years of experience and has shipped at least 5 production apps.
8-12 week MVP delivery
We ship a production-ready MVP in 8-12 weeks. Our process is optimized for speed because senior engineers know which shortcuts to avoid.
Compliance-first development
We build HIPAA, PCI-DSS, SOC 2, and FERPA compliance into the architecture from sprint 1. No expensive retrofits later.
Full code ownership
You own 100% of the code, IP, and infrastructure. There are no licensing fees, no lock-in, and no hidden costs.
US-based project management
Every project has a dedicated US-based project manager who speaks your language and works in your time zone. Overlap hours are guaranteed.
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.