Senior Node.js App Development FirmApp Development
We build production-grade Node.js applications with senior engineers who average 10+ years of experience. Your MVP ships in 8-12 weeks at a fixed price.
IRPR is a senior node.js app development firm that builds production-grade applications using Node.js, TypeScript, Express, NestJS, and AWS Lambda. Every project leverages serverless architecture, PostgreSQL, and Redis for high performance and scalability.
We deliver a fully functional MVP in 8-12 weeks with a fixed price between $80K and $250K. Every project ships with CI/CD pipelines, automated tests, Docker containers, and production monitoring. We follow SOC 2, HIPAA, and PCI-DSS standards when required.
CTOs hire us to build scalable backends without managing a team. Startup founders use us to launch SaaS products on time. Enterprise teams come to us for legacy system migrations and architecture redesigns. Product managers choose IRPR for quick, reliable MVPs.
Types of software we ship.
SaaS Backend API
Multi-tenant REST APIs built with Node.js, PostgreSQL, and Redis. Includes authentication, logging, and rate limiting out of the box.
Real-Time Data Platform
WebSocket servers and event-driven pipelines using Socket.IO, Kafka, and Node.js clusters. Handles 10K+ concurrent connections.
E-commerce Checkout Service
Cart and checkout microservices integrated with Stripe, Shopify, and custom payment gateways. Processes 50K+ orders per month.
Microservices Architecture
Decoupled services with API gateways, message queues (RabbitMQ), and Docker orchestration on AWS ECS. Scales horizontally.
RESTful API Gateway
Single entry point for multiple backend services using Node.js and Express. Includes caching, rate limiting, and OpenAPI docs.
Chat / WebSocket Server
Real-time chat backends using Socket.IO, MongoDB, and Node.js. Supports typing indicators, file sharing, and message history.
Serverless Functions
Event-driven functions on AWS Lambda with Node.js. Triggers from S3, SQS, DynamoDB streams. Cost-effective for burst workloads.
GraphQL API Layer
Unified GraphQL schema over multiple data sources using Apollo Server and Node.js. Reduces frontend API calls by 50% or more.
We build for every business type.
Fintech
Healthcare
SaaS
E-commerce
Real-Time
Why Choose a Senior Node.js App Development Firm
Building a production Node.js application requires more than just coding skills.
A senior node.js app development firm brings deep experience with architecture, scalability, and production operations. IRPR’s engineers average 10+ years and have shipped over 200 products across 50 countries. We do not use junior developers or outsource key decisions.
Our fixed-price model eliminates budget surprises. We quote after a 1-week Roadmap phase, and 98% of our projects deliver on time. Every app comes with automated testing, CI/CD, and monitoring from day one.
Senior Node.js Developers vs Generalist Shops
Not all agencies can deliver senior-level Node.js applications with production readiness.
Many generic development shops assign junior or mid-level developers to Node.js projects. This leads to technical debt, poor performance, and delayed launches. IRPR takes a different approach.
Every project is staffed with senior engineers who design, build, and ship the application. We include DevOps, monitoring, and documentation as standard deliverables.
- Junior-heavy teams with high turnover
- No fixed pricing – surprises later
- Incomplete documentation and tests
- No CI/CD or monitoring setup
- Rapid accumulation of technical debt
- Slow, asynchronous communication
- Senior-only team (10+ years avg)
- Fixed price after 1-week Roadmap
- Full documentation and test suites
- CI/CD pipeline + Sentry monitoring
- Clean architecture with scalability
- Daily standups and 2-week sprints
Our Node.js App Development Process
IRPR follows a proven 4-phase process to deliver your Node.js application on time and on budget.
Phase 1: Discovery (2 weeks) – we map your requirements, user flows, and data model. Phase 2: Roadmap (1 week) – we design the architecture, tech stack, and create a fixed-price quote.
Phase 3: Build (6-10 weeks) – senior engineers code in parallel, ship features every 2 weeks. Phase 4: Release (2 weeks) – we deploy to production, monitor, and hand over documentation.
What Ships When We Build Your Node.js App
Every project from IRPR includes a complete production-ready package, not just code.
We treat your project like we would our own. That means every deliverable is documented, tested, and ready for scale. You are never dependent on IRPR after launch.
Our standard deliverable list removes guesswork. You know exactly what you get and when.
- Source code in private GitHub repo
- CI/CD pipeline with GitHub Actions
- Docker configurations for local and prod
- Staging + production AWS environments
- Sentry error monitoring and alerts
- Automated test suite (unit, integration, e2e)
- API documentation (Swagger / Postman)
- Performance benchmarks and load test results
- Deployment runbook and incident response plan
- 30-day post-launch support
What we ship in this practice.
Real-Time Payment Processing System
Built a high-throughput payment gateway handling 10,000+ transactions per day using Node.js, Redis, and Stripe. Reduced payment failure rate by 40%.
Telehealth Video Platform
Developed HIPAA-compliant backend for live video sessions with WebRTC, Node.js, and AWS. Supported 500+ concurrent sessions with sub-200ms latency.
Multi-Tenant SaaS Dashboard
Created a scalable analytics dashboard serving 200+ tenants with Node.js, PostgreSQL, and Metabase. Reduced page load time by 60%.
E-commerce Checkout Service
Built a cart and checkout microservice handling 50K+ orders per month with Node.js, Express, and Shopify API. Improved conversion by 15%.
Real-Time Collaboration Tool
Developed a collaborative document editing backend using Node.js, Socket.IO, and MongoDB. Supported 100+ simultaneous editors with sub-100ms latency.
Serverless Data Processing Pipeline
Implemented an event-driven pipeline using Node.js, AWS Lambda, and SQS processing 10TB of logs per month. Cut infrastructure costs by 70%.
Why teams hire us.
Senior Engineers Only
Every developer on your project has 10+ years of experience. No juniors, no training overhead, zero ramp-up time. Your code is written by engineers who have shipped to production dozens of times.
Fixed Price from Day 1
We quote a fixed price after the 1-week Roadmap phase. No hourly billing, no budget surprises. You know exactly what you will pay and what you will get.
8-12 Week MVPs
Most applications ship in 8 to 12 weeks. We compress the build phase with senior productivity, reusable components, and parallel development streams.
Full Ownership
You own all source code, design assets, and IP. No licensing fees, no vendor lock-in. We transfer everything to your GitHub and AWS accounts at the end.
Built for Scale from the Start
We use Node.js clusters, message queues (RabbitMQ), and caching layers (Redis) to handle growth. Our apps maintain 99.9% uptime even under heavy load.
Compliance Ready
We build to HIPAA, SOC 2, PCI-DSS, and other standards. Audit-ready from the first commit. Our code passes penetration tests and security reviews.
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.