Python Backend Development VendorVendor
We build production-ready Python backends. Ship your MVP in 8-12 weeks with fixed pricing.
IRPR builds custom Python backends for web apps, APIs, and data pipelines. We use Django for full-featured applications, FastAPI for high-throughput APIs, and Celery for background tasks, all backed by PostgreSQL or Redis.
Every project ships in 8 to 12 weeks with a fixed price between $80,000 and $250,000. Our backends are built to HIPAA, PCI-DSS, and SOC 2 standards, so compliance is never an afterthought.
Our typical clients include CTOs at SaaS startups who need a scalable API layer, product managers at fintech firms requiring PCI-DSS compliant transaction processing, health tech founders building HIPAA-compliant data pipelines, and ecommerce directors needing high-throughput order processing with Stripe integration.
Types of software we ship.
REST API Development
RESTful APIs with Django REST Framework or FastAPI. Includes versioning, rate limiting, and OpenAPI docs.
GraphQL Backend
GraphQL APIs using Graphene or Strawberry. Query optimization with DataLoader and real-time subscriptions via WebSockets.
WebSocket Server
Real-time WebSocket backends using Django Channels or FastAPI WebSockets for live updates and chat.
Data Ingestion Pipeline
High-throughput data ingestion with Kafka or RabbitMQ, managed by Celery and stored in PostgreSQL or ClickHouse.
Task Queue System
Distributed task queues with Celery, Redis, and Flower monitoring. Handles background jobs, email sending, and report generation.
Authentication & Authorization Service
OAuth2, JWT, and SAML authentication services. Integrates with Auth0, Okta, or custom identity providers.
ML Model Serving Backend
Serve machine learning models with FastAPI and TensorFlow Serving. Includes batching, caching, and A/B testing support.
Webhook Integration Service
Manage inbound and outbound webhooks for Stripe, Shopify, or custom integrations. Includes retry logic and logging.
We build for every business type.
SaaS and Tech Startups
Fintech and Financial Services
Healthcare and Healthtech
Ecommerce and Retail
Data and Media Companies
Why IRPR is the right python backend development vendor
We deliver production-ready Python backends that your team can own from day one.
Every project starts with a two-week Roadmap phase where we define the architecture, data model, and API contract. You get a fixed price and a clear timeline before a single line of code is written.
Our senior engineers average 10+ years of experience building Python systems at scale. We use Django, FastAPI, Celery, Redis, and PostgreSQL to ship backends that handle millions of requests per day.
How IRPR differs from other python backend development vendors
Most agencies add overhead and surprises. We remove both.
Generic dev shops quote hourly rates and change scope without notice. They often hand off incomplete code with no documentation or CI/CD.
IRPR gives you a fixed price, full code ownership, and a deployed backend with monitoring, tests, and documentation included.
- Hourly billing with no cap
- Vague timelines that slip
- Junior or offshore teams
- You don't own the code
- No CI/CD or monitoring
- Scope creep by default
- Fixed price from day one
- 8-12 week delivery window
- Senior engineers only (10+ yr avg)
- Full code ownership in your repo
- CI/CD + Sentry monitoring included
- Scope locked in Roadmap phase
Our process for building your python backend
Four phases from idea to production, no surprises.
We follow a repeatable framework that de-risks every project. Each phase ends with a clear deliverable and a go/no-go decision.
By the end of week 12 you have a deployed, tested, and monitored backend that your team can extend immediately.
What ships with every python backend project
You don't just get code. You get a production-ready system.
Every project includes everything needed to run, monitor, and extend your backend. No hidden costs or missing pieces.
Your internal team can pick up the codebase within days because it comes with full documentation and tests.
- Source code in your GitHub/GitLab repo
- CI/CD pipeline with GitHub Actions or GitLab CI
- Dockerized services with docker-compose
- Unit and integration tests (80%+ coverage)
- API documentation via OpenAPI / Swagger
- Sentry error tracking and performance monitoring
- Deployment scripts for AWS, GCP, or Azure
- Post-deployment load testing report (k6)
- Architecture diagram and README
- Two-week knowledge transfer session
What we ship in this practice.
Real-time analytics API for a media platform
Built a FastAPI backend with WebSocket endpoints and Redis pub/sub to serve real-time audience metrics. The client reduced query latency by 40% and now handles 10,000 concurrent connections. Tech stack: FastAPI, Redis, PostgreSQL, WebSocket, AWS ECS.
HIPAA-compliant patient data backend
Developed a Django backend with FHIR API integration for a telemedicine startup. The system passed HIPAA audit on first submission and processes 50,000 patient records daily. Tech stack: Django, PostgreSQL, FHIR, Auth0, AWS KMS.
Payment processing engine for a fintech app
Created a PCI-DSS compliant FastAPI service that handles Stripe and Plaid integrations. The client achieved 99.99% uptime and cut transaction failures by 60%. Tech stack: FastAPI, Stripe, Plaid, Redis, Docker.
Inventory sync backend for a multi-warehouse ecommerce brand
Delivered a Django backend with Celery tasks that syncs inventory across Shopify, Amazon, and 3PL warehouses every 5 minutes. The client reduced stockouts by 35% and saved 20 hours per week on manual updates. Tech stack: Django, Celery, Redis, Shopify API, PostgreSQL.
Multi-tenant API backend for a B2B SaaS platform
Architected a FastAPI backend with row-level tenant isolation using PostgreSQL schemas. The client onboarded 200 tenants in the first quarter with zero data leaks. Tech stack: FastAPI, PostgreSQL, Redis, JWT, AWS RDS.
Subscription management backend for a media company
Built a Django backend with Stripe Billing integration and webhook event processing. The system handles 500,000 subscribers and reduced churn by 18% through automated dunning. Tech stack: Django, Stripe, Celery, Redis, Docker.
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. If we miss the estimate, we cover the overage.
Senior engineers only
Our team averages 10+ years of Python experience. No juniors, no contractors, no offshore rotation. You work directly with the engineers who build your backend.
Full code ownership
You own every line of code from day one. We push to your repository, use your cloud accounts, and transfer all Docker images and documentation at handover.
Compliance built in
We implement HIPAA, PCI-DSS, and SOC 2 controls as part of the architecture. Our engineers have delivered compliance-ready backends for 30+ healthcare and fintech clients.
Async-first, global team
We are an async-first remote team with engineers spanning 8 timezones. Your project gets 12 hours of daily overlap with our core hours, and we use Slack, Linear, and Loom for clear communication.
Proven track record
We have shipped 200+ Python backend projects across 50+ countries. Our clients include Y Combinator startups, Fortune 500 teams, and PCI-certified fintech companies.
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.