Senior Node.js API Development ServicesAPI Development
Hire senior Node.js engineers to build production-ready APIs. Fixed-price contracts, delivered in 10 weeks on average.
IRPR builds senior-level Node.js API services for companies that need reliable, high-performance backends. We use Express.js, Fastify, NestJS, PostgreSQL, Redis, and Docker to ship APIs that handle millions of requests.
Every project starts with a 2-week Roadmap phase. Fixed pricing from $80K to $250K. Delivery in 8-12 weeks. We follow HIPAA, PCI-DSS, and SOC 2 compliance standards.
We work with CTOs who need a scalable API without hiring an internal team. Product managers launching SaaS MVPs. Engineering leads migrating from monolithic to microservices. Founders building their first API-first product.
Types of software we ship.
REST API Development
Stateless, cacheable RESTful APIs with OpenAPI specs. Use Express.js and validation with Joi or Zod.
GraphQL API Development
Flexible GraphQL APIs with Apollo Server and Prisma. Enable frontend to query exactly what they need.
WebSocket API Development
Real-time bidirectional communication using Socket.io or native WebSockets. Perfect for live chat, notifications, trading.
Microservices with Node.js
Decompose monolithic apps into independent services. Use Docker, Kubernetes, and message queues like RabbitMQ.
API Gateway Development
Centralized gateway for routing, authentication, rate limiting. Built with Express Gateway or Kong on Node.js.
Backend as a Service (BaaS) APIs
Full backend infrastructure with user auth, file uploads, and database. Using Firebase or custom Node.js.
Third-Party API Integration
Integrate Stripe, Salesforce, Twilio, or HubSpot. Ensure secure OAuth flows and data sync.
Real-Time Data API
Streaming APIs with Server-Sent Events or WebSocket. Use Redis Pub/Sub for low-latency data.
We build for every business type.
SaaS startups
Ecommerce
Fintech
Healthcare
Media & publishing
Why senior Node.js API expertise matters
Building a production API requires experience with security, scaling, and edge cases.
A junior developer might expose your database or miss rate limiting. We have built 200+ production APIs across 50 countries, handling millions of requests daily.
Our APIs average 99.9% uptime and respond in under 50ms at 90th percentile. We use structured logging, health checks, and automated error tracking.
Generic freelancer vs senior Node.js team
Hiring a solo developer is a gamble. Here is the difference.
Many freelancers deliver undocumented code with no CI/CD. You end up with tech debt and no one to maintain it.
IRPR delivers production-grade APIs with automated testing, monitoring, and full documentation. We fix scope up front with a Roadmap phase.
- No written contract
- No CI/CD pipeline
- No error handling strategy
- No load testing
- No documentation
- No post-launch support
- Fixed-price contract with scope
- CI/CD on GitHub Actions
- Sentry error tracking
- k6 load testing
- OpenAPI docs
- 30-day post-launch support
Our Node.js API development process
We follow a 4-phase plan to deliver your API on time.
Each phase has clear deliverables and a fixed timeline. No surprises.
From idea to deployment in 8-12 weeks.
What ships with every Node.js API
Every project delivers a complete, production-ready system.
We don't just hand you a code repository. You get everything needed to run and maintain the API.
- Source code in your GitHub repo
- CI/CD pipeline on GitHub Actions
- OpenAPI 3.0 documentation
- Postman collection for testing
- Sentry error tracking integration
- Docker container images
- Database migration scripts
- Environment configuration templates
- Deployment playbook for AWS/GCP
- 30-day post-launch support
What we ship in this practice.
Multi-tenant SaaS backend API
Built a tenant-aware REST API for a B2B SaaS platform. Reduced onboarding time from days to hours. Uses Node.js, PostgreSQL with row-level security, and Stripe for billing.
Real-time order tracking API
Developed WebSocket and REST APIs for a food delivery app. Handled 10K concurrent connections and cut order latency by 60%. Built with Socket.io, Redis, and AWS ECS.
HIPAA-compliant patient data API
Created a secure FHIR API for a healthcare startup. Passed HIPAA audit with zero findings. Uses Express.js, PostgreSQL encrypted fields, and AWS HealthLake.
Payment processing microservices
Architected a set of Node.js microservices for a fintech company. Processed $1M in transactions in first month. Stack: Fastify, Kafka, PostgreSQL, PCI-DSS compliant.
Content delivery API for media platform
Built a GraphQL API serving video metadata and playlists to 500K monthly users. Reduced page load by 40%. Used Apollo Server, DynamoDB, and CloudFront.
Third-party integration gateway for real estate
Developed an API gateway that aggregates MLS data from 10+ sources. Saved 20 hours/week of manual data entry. Used Node.js, Redis caching, and OAuth 2.0.
Why teams hire us.
Senior engineers only
Every project is staffed with senior Node.js developers who have 7+ years of experience. No juniors, no outsourcing. You get direct access to the architect.
Fixed price from day one
After the 2-week Roadmap phase, you get a fixed quote. No hourly billing, no surprises. Budget overruns are our problem.
Security and compliance built in
We design APIs to meet HIPAA, PCI-DSS, and SOC 2 standards. We include encryption, audit logging, and vulnerability scanning in every build.
Production ready in 10 weeks
Average delivery time is 10 weeks. We use battle-tested pipelines and automated testing to ship fast without cutting corners.
Full code ownership
You own every line of code, all infrastructure configs, and documentation. No proprietary frameworks or lock-in. Walk away with your entire system.
Post-launch support included
Every project includes 30 days of post-launch support. We monitor errors, handle hotfixes, and provide knowledge transfer.
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.