Professional Node.js App Development AgencyApp Development
We build high-performance Node.js apps with senior engineers. Fixed price, 8-12 week delivery.
IRPR builds production-grade Node.js applications using Express.js, Fastify, and NestJS. We also build real-time apps with Socket.IO and event-driven systems on AWS Lambda.
We deliver fully functional Node.js apps in 8-12 weeks. Pricing ranges from $80,000 to $250,000 depending on scope. We follow SOC 2 compliant processes and can work under HIPAA or PCI-DSS if needed.
Startup founders hire us to launch a SaaS MVP on Node.js within 3 months. CTOs at mid-market companies hire us to rebuild legacy Node.js monoliths into microservices. Ecommerce directors hire us to build high-traffic Node.js backends with Stripe and Shopify integrations. Product managers hire us to add real-time features like live chat or collaborative editing.
Types of software we ship.
Node.js REST API Development
Build scalable REST APIs with Express.js or Fastify. Include Swagger documentation, JWT authentication, and rate limiting with Redis.
Node.js Real-Time Application
Add real-time features using Socket.IO or WebSockets. Ideal for chat apps, live notifications, and collaborative editing.
Node.js Microservices Architecture
Decompose monolithic apps into microservices with NestJS and RabbitMQ. Deploy on Docker and Kubernetes.
Node.js Ecommerce Backend
Build a robust ecommerce backend with Stripe, Shopify API, and custom inventory management. Handles 10,000+ requests per second.
Node.js SaaS Backend
Create multi-tenant SaaS backends with PostgreSQL, Redis caching, and Stripe billing. SOC 2 ready.
Node.js WebSocket Server
Develop WebSocket servers with zero-downtime scaling using AWS API Gateway WebSockets and Lambda.
Node.js Serverless Functions
Write serverless functions on AWS Lambda using Node.js. Low cost, auto-scaling, event-driven.
Node.js CLI Tool
Build command-line tools for automation, data processing, or deployment using Commander.js and Oclif.
We build for every business type.
SaaS startups
ecommerce
fintech
healthcare
real estate
Proven Results with Node.js
Our Node.js apps handle millions of requests per day with 99.9% uptime.
We have shipped over 200 Node.js applications for clients across 50 countries. Our average project timeline is 12 weeks from idea to production.
Our Node.js backends support an average of 10,000 concurrent users out of the box. We use X-Ray and Sentry for monitoring in every deployment.
Why Choose IRPR for Node.js Development
Most Node.js agencies deliver code you cannot maintain. We ship clean, well-documented, production-ready applications.
Generic dev shops often write Node.js code without proper error handling or testing. That leads to outages and technical debt.
IRPR follows strict linting, 80%+ test coverage, and CI/CD pipelines. Every project includes a runbook for your team.
- No senior engineers on the project
- Unclear scope leads to cost overruns
- Minimal test coverage
- No CI/CD in place
- Zero documentation
- Long dev cycles with no milestones
- Senior Node.js engineers only
- Fixed price from roadmap phase
- 90%+ test coverage
- CI/CD with GitHub Actions and Docker
- Full API documentation with Swagger
- 8-12 week delivery with weekly demos
Our Node.js Development Process
We follow a 4-phase process to build your Node.js app on time and on budget.
Phase 1: Discovery workshops to define scope. We map out APIs, data models, and third-party integrations.
Phase 2: Roadmap with fixed pricing. We break the project into sprints and give you a firm quote.
What You Get with Every Node.js Project
When we ship, you own everything and have everything you need to run it yourself.
Every deliverable is documented and handed over in full.
- Source code in your private GitHub repo
- CI/CD pipeline on GitHub Actions
- Dockerized local development environment
- API documentation with Swagger/OpenAPI
- Error tracking with Sentry
- Performance monitoring with AWS CloudWatch
- Deployment runbook and on-call guide
- Seed scripts and test data
- Unit tests with 90%+ coverage
- Post-launch maintenance for 30 days
What we ship in this practice.
Real-Time Collaborative Document Editor
Built a Node.js backend using Socket.IO and MongoDB for concurrent editing. Enabled 200+ users to edit simultaneously without latency. Reduced time-to-sync from 2 seconds to 100ms.
Fintech Payment Gateway
Developed a Node.js payment processing system with Stripe integration. Handles $2M in transactions monthly with 99.99% uptime. PCI-DSS Level 1 compliant.
Ecommerce Order Management System
Built a Node.js backend for a multi-warehouse inventory system using AWS Lambda and DynamoDB. Reduced order processing time from 5 minutes to 30 seconds. Integrated with Shopify and WooCommerce.
Healthcare Patient Portal
Created a HIPAA-compliant Node.js API using NestJS and PostgreSQL. Serves 50,000 patients with secure messaging and appointment scheduling. Passed security audit on first attempt.
Real Estate MLS Integration Platform
Built a Node.js backend that aggregates MLS listings from 50+ sources using GraphQL. Scrapes and normalizes 10,000 new listings daily with 99% accuracy. Reduced data load time by 60%.
SaaS Analytics Dashboard
Developed a Node.js data pipeline using Redis and Elasticsearch for real-time analytics. Handles 1M events per day with sub-second query times. Multi-tenant with per-customer data isolation.
Why teams hire us.
Fixed Price, No Surprises
Every project gets a fixed quote after the 2-week roadmap. You never pay more than the agreed price, even if we underestimate.
Senior Engineers Only
All IRPR engineers have 8+ years of Node.js experience. No junior developers.
Full Code Ownership
You own all source code from day one. We never use proprietary frameworks or lock you in.
99.9% Uptime SLA
We deploy with health checks and auto-scaling. Our Node.js apps average 99.9% uptime across all projects.
Test-Ready from Sprint 1
Every sprint includes unit tests, integration tests, and API tests. We maintain 90%+ test coverage throughout the project.
Compliance Built In
We build Node.js apps that meet PCI-DSS, HIPAA, or SOC 2 requirements. Our code passes security audits the first time.
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.
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