Hire the Best Backend API Development DevelopersBackend API
We build production-ready APIs that scale to millions of requests. Our senior engineers ship in 8-12 weeks at a fixed price.
IRPR builds backend APIs that power web and mobile applications. We use Node.js, Python, Go, and Java with PostgreSQL, Redis, and Docker to create fast, reliable, and secure endpoints.
Every API ships with full documentation, automated tests, and a CI/CD pipeline. Delivery takes 8-12 weeks. Fixed pricing starts at $60K and ranges to $200K for complex systems with HIPAA or PCI compliance.
We work with CTOs at SaaS startups needing an API-first product, VP Engineering at fintech companies requiring PCI-compliant payment APIs, product managers in healthcare needing HIPAA-compliant FHIR APIs, and founders scaling ecommerce checkout APIs.
Types of software we ship.
REST API
Standard RESTful endpoints built with Node.js or Python. Uses OpenAPI 3.0 for auto-generated documentation and request validation.
GraphQL API
Flexible query language APIs using Apollo Server or Yoga. Reduces over-fetching and speeds up mobile app data loading by 40%.
gRPC API
High-performance APIs using Protocol Buffers and Go. Ideal for internal microservices with sub-millisecond latency requirements.
WebSocket API
Real-time bidirectional APIs for chat, live updates, and streaming data. Built with Socket.IO or uWebSockets and Redis pub/sub.
Serverless API
Auto-scaling APIs using AWS Lambda or Cloudflare Workers. Pay-per-request model with no server management, ideal for intermittent traffic.
Microservices API Gateway
Unified entry point for multiple services using Kong or Traefik. Includes rate limiting, authentication, and request routing.
Mobile Backend API
APIs optimized for mobile clients with offline support and push notifications. Uses Firebase, AWS AppSync, or custom Node.js endpoints.
Third-party API Integration
Custom wrappers and connectors for Stripe, Salesforce, HubSpot, and 50+ other services. Includes error handling and retry logic.
We build for every business type.
SaaS
Fintech
Healthcare
Ecommerce
Logistics
Real Metrics from 200+ Backend API Projects
Our numbers prove we deliver. Every API we ship is tracked for performance and reliability.
We have delivered backend APIs for clients in 50+ countries, from early-stage startups to publicly traded companies. 98% of projects completed on time and within the fixed price quoted at the Roadmap phase.
Our APIs maintain 99.9% uptime in production, with average response times under 100ms. We monitor every endpoint with Datadog and Sentry to catch issues before they affect users.
Why IRPR Beats Generic Backend API Developers
Most agencies charge by the hour and hand you undocumented code. We do the opposite.
Generic dev shops often offshore work to junior engineers, charge hourly, and deliver without documentation or tests. You never know who will work on your API or how long it will take.
IRPR assigns senior engineers (8+ years experience) based in US and Europe time zones. We give a fixed price after the Roadmap phase and ship fully documented, tested, and deployed APIs.
- Unknown junior engineers assigned
- Hourly billing, no fixed price
- Slow email response (48h+)
- No compliance experience (HIPAA, PCI)
- No auto-generated API docs
- Manual deployment with scripts
- Senior engineers (8+ years) you meet
- Fixed price from $60K after Roadmap
- 24-hour response on Slack
- HIPAA, PCI, GDPR built-in from templates
- OpenAPI 3.0 docs generated automatically
- CI/CD pipeline with GitHub Actions and Docker
Our 4-Phase Backend API Development Process
We follow a repeatable framework that eliminates surprises. Every phase has a clear deliverable.
Phase 1 maps all endpoints, data models, and authentication flows. Phase 2 produces a technical specification with a fixed price. No scope creep.
Phase 3 builds the API in 2-week sprints with automated tests. Phase 4 deploys to staging, runs performance tests, and goes live with monitoring.
What Ships with Every Backend API
You get more than just code. Every project includes everything needed to run and maintain the API.
We push all assets to your GitHub repository from day one. You own the source code, documentation, deployment scripts, and monitoring configuration.
- Source code in your private GitHub repo
- API documentation (OpenAPI/Swagger UI)
- CI/CD pipeline (GitHub Actions, Docker)
- Unit and integration tests (Jest, pytest)
- Error tracking (Sentry)
- Performance monitoring (Datadog)
- Docker containers with docker-compose
- Deployment scripts for AWS or GCP
- Postman collection for manual testing
- 30-day post-launch support included
What we ship in this practice.
Payment Processing API for Fintech
Built a PCI-DSS compliant API handling 10K transactions per minute. Integrated Stripe Connect and Plaid. Reduced chargeback disputes by 40% through enhanced validation.
Patient Data API for Telehealth
Developed a HIPAA-compliant FHIR API serving 50K patient records daily. Achieved 200ms average response time using Redis caching and PostgreSQL.
Inventory Management API for Ecommerce
Created a real-time inventory API that syncs across 5 warehouses. Cut sync latency from 4 hours to 5 minutes using RabbitMQ and PostgreSQL.
Analytics API for SaaS Platform
Delivered a GraphQL API that processes 1 million events per hour. Used Node.js, Kafka, and TimescaleDB to power dashboards for 2K clients.
Property Listing API for Real Estate
Integrated MLS data for 10K active listings with full search and filtering. Built with Python, Django, and Elasticsearch. Reduced data refresh time by 80%.
Course Progress API for EdTech
Designed a gRPC API that scales to 100K concurrent users for live quizzes and progress tracking. Used Go, MongoDB, and Redis. Handled 500 requests per second during peak.
Why teams hire us.
Fixed price, not hourly
Every project gets a fixed quote in the Roadmap phase (week 2). No hourly billing, no surprise invoices, no scope creep charges. You know the cost before we write code.
Senior engineers only
We hire full-time senior engineers with 8+ years of experience. No junior outsourcing, no offshore unknowns. You meet your team in the first week.
HIPAA and PCI built-in
Our API templates include HIPAA required controls and PCI-DSS encryption by default. We have passed audits on first attempt for 15+ healthcare and fintech projects.
API-first design
We spec your API schema in OpenAPI 3.0 before writing a single line of code. This eliminates integration surprises and lets your frontend team start in parallel.
CI/CD from day one
Every API ships with automated testing, staging, and deployment pipelines using GitHub Actions and Docker. No manual releases or downtime from bad deploys.
You own everything
Source code, documentation, infrastructure code - all in your repo. IRPR retains no IP. We are contractors, not partners. You can take the code anywhere.
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.