Senior Node.js App Development CompanyApp Development
We build production-grade Node.js apps with senior engineers only. Fixed price, 8-12 week MVPs, full ownership.
IRPR is a senior Node.js app development company that builds production-grade applications using Node.js, TypeScript, React, PostgreSQL, and AWS. Every engineer on your project has 8+ years of experience and has shipped at least 10 products before.
We deliver a working MVP in 8 to 12 weeks. Pricing is fixed from the Roadmap phase and ranges from $80K to $250K depending on scope. We handle compliance for HIPAA, PCI-DSS, SOC 2, and FERPA out of the box.
Founders hire us to build their SaaS MVP with Node.js. CTOs hire us to rebuild legacy Node.js apps that are slow or unstable. Product managers hire us to add a Node.js microservice to an existing system. Enterprise teams hire us to build internal tools that need real uptime and security.
Types of software we ship.
SaaS Backend
Multi-tenant Node.js APIs with PostgreSQL, Redis caching, and Stripe billing. Handles 10K+ concurrent users.
Real-time Dashboard
WebSocket-powered Node.js dashboards with Socket.io and React. Updates every 200ms for live data.
Ecommerce API
Node.js ecommerce backend with Shopify GraphQL integration and custom payment gateways. PCI-DSS compliant.
Chat Application
Real-time chat systems using Node.js, Socket.io, and MongoDB. Supports 50K+ concurrent connections.
REST API Gateway
API gateway built with Node.js and Express. Routes 1M+ requests per day with sub-50ms latency.
Microservice Platform
Dockerized Node.js microservices orchestrated on AWS ECS. Each service scales independently.
Admin Panel
Node.js admin panels with React Admin and role-based access. Supports 500+ concurrent admin users.
Data Pipeline Service
Node.js ETL pipelines processing 10GB+ daily. Integrates with S3, Redshift, and Snowflake.
We build for every business type.
SaaS companies
Healthcare
Fintech companies
Ecommerce brands
Enterprise teams
Why a Senior Node.js App Development Company Delivers
Senior engineers build faster, cleaner, and more maintainable code.
A senior Node.js engineer writes code that is 40% less likely to have production bugs compared to a junior or mid-level developer. They know how to structure a Node.js app with proper error handling, async patterns, and database indexing from day one.
IRPR only hires engineers with 8+ years of experience and a track record of 10+ shipped products. Every team member has worked on high-traffic Node.js systems serving 100K+ users. You get that experience without hiring a full in-house team.
Generic Dev Shop vs. IRPR: The Difference
Most agencies assign junior developers to your Node.js project. We do the opposite.
Generic dev shops often staff projects with one senior and three juniors. You pay for senior rates but get junior output. The code is fragile, the timeline slips, and you own nothing until the final payment.
IRPR assigns a team of senior Node.js engineers from day one. You get a fixed price, a clear timeline, and full code ownership after each sprint. No surprises, no junior mistakes, no hidden fees.
- Juniors write most of the code
- Hourly billing with no cap
- No compliance knowledge (HIPAA, PCI)
- Code ownership is negotiable
- No CI/CD pipeline setup
- No monitoring or error tracking
- Senior engineers only, 8+ years experience
- Fixed price, no surprises
- HIPAA, PCI-DSS, SOC 2, FERPA built in
- Full code ownership from day one
- CI/CD on GitHub Actions included
- Sentry + Datadog monitoring standard
How We Build Your Node.js App
Four phases, clear deliverables, no ambiguity.
Every project follows the same proven process: Idea, Roadmap, Product, Release. Each phase has a fixed duration and a fixed price. You know exactly what you get and when you get it.
The Roadmap phase takes 2 weeks and costs $5K. It produces a detailed technical specification, a full UI/UX design, and a fixed quote for the build. No other agency gives you that level of certainty before you commit to the full project.
What Ships With Every Node.js Project
Every deliverable is concrete. No hand-waving.
When you hire IRPR as your senior Node.js app development company, you get more than just code. You get a production-ready system with monitoring, security, and deployment automation built in. Everything that ships is yours to keep.
We do not hold your code hostage. You get access to the repository from sprint one. You can deploy it, modify it, or take it to another team at any time.
- Source code in your private GitHub repository
- CI/CD pipeline on GitHub Actions with automated tests
- Sentry error tracking with real-time alerts
- Datadog monitoring for performance and uptime
- PostgreSQL database with automated backups
- Docker containers for local and production parity
- AWS infrastructure as code using Terraform
- API documentation generated with Swagger
- Unit and integration tests with 80%+ coverage
- Security audit report with OWASP top 10 checks
What we ship in this practice.
SaaS Subscription Platform
Built a multi-tenant Node.js SaaS backend handling 50K users and 1M API calls per day. Integrated Stripe billing, SendGrid email, and Redis caching. Reduced page load time from 2.3s to 0.4s. Tech stack: Node.js, TypeScript, PostgreSQL, Redis, AWS ECS.
Real-Time Patient Portal
Developed a HIPAA-compliant Node.js patient portal with WebSocket-based chat and video scheduling. Reduced patient wait time by 40%. Handles 10K concurrent users. Tech stack: Node.js, Socket.io, React, PostgreSQL, AWS, Twilio.
Payment Processing API
Built a PCI-DSS compliant Node.js payment gateway that processes $15M in monthly transactions. Integrated with Stripe, Plaid, and custom bank APIs. Achieved 99.99% uptime over 12 months. Tech stack: Node.js, Express, PostgreSQL, Redis, AWS Fargate.
Ecommerce Order Fulfillment System
Created a Node.js order fulfillment API that syncs inventory across 3 warehouses in real time. Reduced order processing time from 4 hours to 12 minutes. Tech stack: Node.js, MongoDB, RabbitMQ, Shopify API, AWS Lambda.
Real Estate MLS Integration
Built a Node.js API that ingests MLS data from 5 different providers and normalizes it into a single searchable index. Handles 2M property records with sub-200ms search. Tech stack: Node.js, Elasticsearch, PostgreSQL, AWS EC2, Redis.
EdTech Assessment Platform
Developed a FERPA-compliant Node.js platform for K-12 assessments. Supports 100K concurrent test-takers with auto-scaling on AWS. Reduced grading time from 2 days to 15 minutes. Tech stack: Node.js, React, PostgreSQL, AWS ECS, CloudFront.
Why teams hire us.
Senior Engineers Only, No Juniors
Every engineer on your project has 8+ years of experience and has shipped at least 10 products. We do not staff juniors to pad margins. You get the same person writing code from week 1 to launch.
Fixed Price, Not Hourly
After the 2-week Roadmap phase, you get a fixed quote for the entire build. No hourly billing, no surprise invoices, no scope creep charges. The price does not change unless you change the scope.
Full Code Ownership From Day One
You own the source code, the infrastructure, and all intellectual property from the first sprint. We give you access to the GitHub repository immediately. You can take the code anywhere.
Compliance Built In, Not Bolted On
We build HIPAA, PCI-DSS, SOC 2, and FERPA compliance into the architecture from day one. Our team has delivered compliant Node.js apps for 30+ healthcare and fintech clients.
8-12 Week MVPs, Not 6 Month Marathons
We deliver a working, production-ready MVP in 8 to 12 weeks. Our process is designed to ship fast without cutting corners. 98% of our projects ship on time.
Post-Launch Support Included for 30 Days
After launch, we provide 30 days of free support for bug fixes and minor adjustments. We do not disappear after deployment. You get a real human to call if something breaks.
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.