Backend App Development FirmDevelopment Firm
We build production-grade backends for SaaS, fintech, and healthcare. 8-12 week MVPs with fixed pricing and full compliance.
IRPR is a backend app development firm that builds server-side systems with Node.js, Python (Django, FastAPI), Go, and PostgreSQL. We design APIs, microservices, event-driven architectures, and real-time data pipelines for companies that need reliability at scale.
Every project starts with a 2-week Roadmap phase for a fixed fee of $8K-$15K. Full builds range from $80K to $250K and take 8-12 weeks. We deliver HIPAA, PCI-DSS, and SOC 2 compliant code with automated CI/CD pipelines.
We work with CTOs who need to ship a backend without hiring internal teams, founders launching SaaS MVPs that must scale from day one, and engineering VPs replacing legacy monoliths with microservices. Each engagement is staffed with 2-4 senior engineers.
Types of software we ship.
REST API development
Design and build stateless RESTful APIs with OpenAPI specs, JWT auth, and rate limiting using Express.js or FastAPI.
GraphQL API development
Build GraphQL backends with Apollo Server or Hasura, supporting real-time subscriptions and federated schemas.
Microservices architecture
Decompose monoliths into Dockerized microservices with RabbitMQ or Kafka for async messaging and independent scaling.
Real-time data pipeline
Stream data with Apache Kafka, AWS Kinesis, or Redis Streams. Process events in real time for analytics or alerting.
Serverless backend
Database architecture
Design relational (PostgreSQL) and NoSQL (MongoDB, DynamoDB) schemas with indexing, sharding, and replication strategies.
Authentication and authorization
Implement OAuth 2.0, SAML, or OpenID Connect with Auth0 or Okta. Role-based access for multi-tenant apps.
Backend for mobile apps
Build push notification services, offline sync, and image upload pipelines for iOS and Android using Firebase or custom Node.js.
We build for every business type.
Healthcare
Fintech
SaaS
Ecommerce
Logistics and manufacturing
Why you need a specialized backend app development firm
Your backend is the foundation of every user interaction. A poorly designed API costs you users and revenue.
IRPR has shipped over 200 backends across 50 countries. We use PostgreSQL for relational data, Redis for caching, and NGINX for load balancing. Our engineers write automated tests with Jest and pytest, achieving 90%+ code coverage on every project.
We deploy to AWS ECS or Kubernetes with Terraform infrastructure as code. Every backend gets Sentry error tracking, Datadog monitoring, and PagerDuty alerts. Our average API response time is under 200ms at p95.
Generic dev shops vs a dedicated backend app development firm
Not every agency can build a backend that scales to 1 million requests per day.
Most dev shops focus on frontends and treat backend as an afterthought. They use boilerplate code, skip load testing, and ignore compliance. IRPR is different. We are a backend app development firm staffed entirely with senior engineers who specialize in server-side systems.
Every backend we build includes horizontal scaling, database connection pooling, and automated backups. We write integration tests that run on every pull request. Our CI/CD pipelines deploy to staging and production with zero downtime.
- Junior developers with 1-2 years experience
- No load testing before launch
- Monolithic code that is hard to scale
- No compliance documentation
- Hourly billing with no cap
- No post-launch monitoring
- Senior engineers with 8+ years experience
- Load tested to 10x expected traffic
- Microservices or modular monolith by design
- HIPAA, PCI-DSS, SOC 2 compliance built in
- Fixed price from Roadmap phase
- Sentry and Datadog monitoring included
How IRPR builds your backend in 4 phases
We follow a repeatable process that reduces risk and keeps timelines predictable.
Phase 1 is the Roadmap. In 2 weeks we produce a detailed architecture document, API schema, database design, and a fixed price quote. You pay $8K-$15K and get a blueprint you can take anywhere.
Phases 2-4 are the build. We work in 2-week sprints with demo reviews every Friday. You see working code from week 3. We deploy to a staging environment by week 6. Production launch happens by week 12.
What ships with every backend project
You own everything we build. No black boxes, no vendor lock-in.
Every engagement ends with a handoff package. You get source code in your GitHub or GitLab repository, infrastructure as code in Terraform, and runbooks for every operational task. Our engineers provide 2 weeks of post-launch support for bug fixes and questions.
We document every API endpoint with OpenAPI specs. We write database migration scripts and seed data for local development. You can onboard any engineer to maintain the system after we leave.
- Source code in your private GitHub or GitLab repo
- CI/CD pipeline with GitHub Actions or GitLab CI
- Infrastructure as code with Terraform
- API documentation in OpenAPI 3.0 format
- Database migration scripts and seed data
- Sentry error tracking configured
- Datadog or Grafana monitoring dashboards
- Load test results (k6 or Artillery)
- Runbooks for deployment, scaling, and incident response
- 2 weeks of post-launch support
What we ship in this practice.
Telehealth API for a remote care platform
We built a HIPAA-compliant backend with FastAPI and PostgreSQL. The API handles 50,000 video session requests per day. Reduced patient onboarding time from 15 minutes to 3 minutes. Tech stack: FastAPI, PostgreSQL, Twilio Video, AWS ECS.
Payment processing engine for a fintech startup
Designed a PCI-DSS compliant payment engine in Node.js with Stripe Connect. Processes 10,000 transactions per hour with 99.99% uptime. Reduced failed payments by 40% with automatic retry logic. Tech stack: Node.js, PostgreSQL, Stripe, Redis.
Multi-tenant SaaS backend with usage metering
Built a backend for a B2B SaaS platform with separate databases per tenant. Supports 500 tenants with real-time usage metering for billing. Reduced infrastructure cost by 60% using reserved instances. Tech stack: Go, PostgreSQL, AWS RDS, RabbitMQ.
Inventory management API for an ecommerce brand
Created a real-time inventory API with Redis caching and Kafka event streaming. Syncs stock across 3 warehouses and 2 marketplaces in under 1 second. Eliminated overselling entirely. Tech stack: Node.js, Redis, Kafka, PostgreSQL, Shopify API.
Real-time fleet tracking backend for logistics
Built a data pipeline that ingests GPS data from 5,000 IoT devices every 30 seconds. Uses Apache Kafka for stream processing and PostgreSQL for historical queries. Reduced route planning time by 3 hours per day. Tech stack: Python, Kafka, PostgreSQL, AWS Lambda.
Authentication service for a media platform
Implemented OAuth 2.0 and OpenID Connect with Auth0. Supports 1 million users with role-based access for content creators. Reduced login failures by 90% with token refresh logic. Tech stack: Node.js, Auth0, PostgreSQL, Redis.
Why teams hire us.
Senior engineers only, no juniors
Every engineer on your project has 8+ years of backend experience. We do not staff juniors or offshore teams. You talk directly to the engineers building your system.
Fixed price from week 2
After the 2-week Roadmap phase, you get a fixed price quote. No hourly billing, no surprise invoices, no scope creep charges. The price you see is the price you pay.
Compliance built in, not bolted on
We build HIPAA, PCI-DSS, and SOC 2 compliance into the architecture from day one. Audit logging, encryption at rest and in transit, and access controls are standard.
Production-grade monitoring included
Every backend gets Sentry for error tracking, Datadog for performance monitoring, and PagerDuty for alerting. We do not leave you with a black box.
You own the code, forever
We transfer full ownership of source code, infrastructure configs, and documentation. There is no license fee, no recurring royalty, no vendor lock-in.
Proven track record across 50+ countries
IRPR has shipped 200+ backends for clients in healthcare, fintech, ecommerce, and logistics. Our on-time delivery rate is 98%.
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.