Experienced Python Backend Development AgencyBackend Development
We build production-grade APIs, microservices, and data pipelines using Django and FastAPI. Ship your MVP in 8-12 weeks with a fixed price and senior engineers.
IRPR is an experienced Python backend development agency that builds scalable server-side software. We use Django for robust web apps, FastAPI for high-performance APIs, and Celery for async task queues.
Every project ships in 8-12 weeks with a fixed price starting at $80K. Our code passes PCI-DSS and SOC 2 compliance checks when needed.
Founders needing a backend for their SaaS MVP hire us. CTOs scaling their API infrastructure hire us. Enterprise teams needing a dedicated Python squad hire us.
Types of software we ship.
Custom API Development
Design and build RESTful or GraphQL APIs using FastAPI and Django REST Framework. Supports OAuth2, JWT, and rate limiting.
Microservices Architecture
Break monolithic apps into decoupled services with Docker, Kubernetes, and message brokers like RabbitMQ.
Data Pipeline Engineering
Build ETL pipelines using Apache Airflow, Spark, and PostgreSQL for batch and streaming data.
Real-Time Backend Systems
Implement WebSocket servers with Django Channels or FastAPI WebSocket for live dashboards and chat.
E-commerce Backend
Build inventory, order, and payment systems with Django and Stripe integration, PCI compliant.
SaaS Backend Foundation
Create multi-tenant architectures with user authentication, billing cycles, and admin dashboards.
AI/ML Backend Services
Deploy model inference endpoints using FastAPI with TensorFlow Serving or PyTorch, GPU ready.
Legacy Backend Migration
Migrate from PHP, Ruby, or .NET to Python/Django with zero downtime and data integrity checks.
We build for every business type.
SaaS startups
E-commerce brands
Healthcare platforms
Fintech companies
Enterprise tools
Why choose an experienced Python backend development agency?
IRPR has shipped 200+ products over 12 years, with a 98% on-time track record.
We work exclusively with senior Python engineers. Each team member has 7+ years of experience building Django, FastAPI, and Flask applications. No juniors, no outsourcing.
Our fixed-price model means you know the cost from week 2. The average backend project runs $80K-$250K and ships in 8-12 weeks. Over 50% of our clients come back for phase two.
Generic freelancer vs. experienced Python backend development agency
The difference shows in reliability, compliance, and long-term maintainability.
A solo freelancer may write good code but can't handle complex integrations, load balancing, or deployment pipelines. They often disappear when you need urgent fixes.
IRPR provides a full squad with DevOps, QA, and project management. We own the entire backend lifecycle from CI/CD to monitoring with Sentry and Datadog.
- Code without automated tests
- No CI/CD pipeline
- No SLA or uptime guarantee
- Hourly billing with scope creep
- Single developer bottleneck
- No compliance documentation
- 100% test coverage on critical paths
- CI/CD with GitHub Actions and Docker
- 99.9% uptime SLA for production
- Fixed price from Roadmap phase
- Team of 3-5 senior engineers
- HIPAA/PCI/SOC 2 compliance ready
How we build your Python backend in 4 phases
Our framework takes you from idea to deployed code in 8-12 weeks.
We start with a 2-week Roadmap phase where we define the entire system architecture, database schema, API contracts, and deployment plan. You get a fixed price and timeline.
Then we build the product in 6-8 weeks with weekly demos. We deploy to a staging environment with full observability. Final release includes production deployment and knowledge transfer.
What ships with every Python backend project
You own everything. No vendor lock-in.
We deliver the full source code, infrastructure as code, and runbooks. There are no ongoing licensing fees or black boxes.
Your team can take over immediately. We provide a 2-hour walkthrough and written documentation for every API endpoint.
- Source code in your private GitHub repo
- Dockerized development and production environments
- CI/CD pipeline using GitHub Actions
- Database migrations with Alembic (PostgreSQL)
- API documentation with Swagger/OpenAPI
- Sentry error tracking and Datadog monitoring
- Load testing report with Locust
- Security scan report with Bandit and SonarQube
- Runbook for common operational tasks
- 2-hour handoff session with video recording
What we ship in this practice.
Multi-Tenant SaaS Backend
Built a Django-based backend for a project management SaaS. Implemented tenant isolation with PostgreSQL schemas and Stripe billing. Reduced onboarding time from 3 days to 15 minutes.
Real-Time Analytics Dashboard
Developed a FastAPI backend with WebSocket connections to stream live metrics. Used Redis Pub/Sub and PostgreSQL for aggregation. Handled 10,000 concurrent connections with 50ms latency.
HIPAA-Compliant Telemedicine Platform
Built a Python backend with Django and Twilio Video. Encrypted PHI at rest and in transit. Passed external HIPAA audit on first try. Patient data load time dropped 40%.
E-Commerce Checkout and Inventory System
Created a Django backend for an online retailer with real-time inventory sync and Stripe payment integration. PCI DSS compliant. Reduced cart abandonment by 22% with optimized API response times.
Machine Learning Model Serving API
Developed a FastAPI service to serve a recommendation model using TensorFlow Serving. Handled 5000 requests per second with auto-scaling on AWS ECS. Latency under 100ms.
Financial Data Aggregation Platform
Engineered a Python backend using Celery and Apache Airflow to aggregate data from 20+ financial APIs. Reduced data processing time from 6 hours to 20 minutes. SOC 2 compliant.
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 budget before code is written.
Senior engineers only
IRPR teams consist of engineers with 7+ years of Python experience. We do not use junior developers or offshore staff. Your project is built by people who have shipped 200+ products.
Production-ready from day one
We write tests, set up CI/CD, and configure monitoring before feature development starts. Your backend goes to production with Sentry error tracking and Datadog dashboards active.
Compliance built in
Our codebase includes compliance modules for HIPAA, PCI DSS, and SOC 2. We encrypt data at rest and in transit, audit logs, and implement role-based access control by default.
Rapid delivery with weekly demos
You see working code every 7 days. The average MVP ships in 8-12 weeks. We deploy to a staging environment so you can test real features, not mockups.
Full ownership and no lock-in
You own the source code, the infrastructure code, and the documentation. There are no ongoing licensing fees. Your internal team can take over at any 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.