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$
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I will build a secure and scalable python rest API using fastapi or django
Kamrul Hasan
Level 2
1 order in queue
5.0
5.0
About this gig
Need a secure, scalable Python REST API for your web/mobile app? I build high-performance, tested, and production-ready backends using FastAPI, Django REST Framework (DRF), or Flask.
What I Will Build for You
I design and develop fully documented REST APIs tailored to your needs, from startup MVPs to scalable enterprise systems.
My API Services Include:
- - Secure Auth: JWT, OAuth2, Session, API keys.
- - Databases: PostgreSQL, MySQL, MongoDB, SQLite (using SQLAlchemy/Django ORM).
- - Auto Docs: Interactive Swagger UI, ReDoc, or Postman.
- - Integrations: Stripe, PayPal, CRM, Webhooks, Shipping APIs.
- - Async Processing: Background tasks using Celery & Redis.
- - Deployment: Docker containerization, AWS, DigitalOcean, VPS.
Tech Stack: FastAPI, Django (DRF), Flask, PostgreSQL, MySQL, MongoDB, Docker, AWS.
Why Choose Me?
- 5+ Years Experience with 70+ successfully delivered projects.
- Clean Code following SOLID principles & best practices.
- Zero-Bug Guarantee with end-to-end testing (PyTest).
- Reliable post-delivery support & clear communication.
Please message me before placing an order to discuss your requirements.
Get to know Kamrul Hasan
Kamrul Hasan
Hire me anytime for your work
Level 2
- FromBangladesh
- Member sinceJul 2021
- Avg. response time1 hour
- Last deliveryabout 21 hours
Languages
Bengali, English, German, Russian
I’m a full-stack web developer with 5+ years of experience and 70+ delivered projects, specializing in scalable web applications and backend systems.
I help startups, SaaS founders, and businesses build secure, high-performance apps using React / Next.js on the frontend and Python (Django, FastAPI, Flask) on the backend.
🔹 REST & third-party API integrations, n8n automation, payments & SaaS
🔹 E-commerce/logistics (Amazon, eBay, Shopify, Temu, DHL, FedEx, Royal Mail)
🔹 Clean, maintainable code with testing & CI/CD
🔹 Production-ready Docker deployments
My Portfolio
Other Software Development Services I Offer
FAQ
Can you build a Django REST API only?
Yes, absolutely. I can design and build a secure Django REST API from scratch or add API endpoints to your existing Django application.
I already have a frontend. Can you build the API and connect it?
Yes! I will develop the backend API and seamlessly integrate it with your frontend (React, Next.js, Vue, or any mobile app framework).
Can you build my full RESTful API from scratch?
Yes, I will design the database schema, architect the API structure, write the business logic, implement security, and build the entire RESTful API from scratch.
Can you build an API for a mobile app?
Yes, I specialize in building fast, lightweight, and secure APIs designed specifically for iOS and Android mobile applications.
Do you add authorization and permissions to the API?
Yes. Based on your business rules, I will implement robust role-based access control (RBAC), user authentication (JWT/OAuth2), and strict endpoint-level permissions.
Can you customize or debug my existing API?
Yes, I can refactor, optimize, add new features, or fix bugs in your existing FastAPI, Django, or Flask API.
Do you integrate APIs with third-party platforms?
Yes, I can connect your API with external services such as Stripe, PayPal, Shopify, Salesforce, AWS, or any other third-party platform.
Can you provide an API for a web application?
Yes, I will deliver high-performance, well-documented APIs designed to seamlessly power modern single-page applications (SPAs)
Reviews
7 reviews for this Gig
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Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
J jeetsikand
United States
Fast worker. Will hire again.
Up to $50
Price
4 days
Duration
Helpful?K 
kilelrono
Repeat Client
Kenya
Kamrul is a fast API python expert who worked relentelsy to deliver my complext data analytics tool. Planning on using further for further phases of the project.
$200-$400
Price
8 weeks
Duration
Helpful?K kilelrono
Repeat Client
Kenya
Fast API using him for futurw devlopment work on FastAPI
$100-$200
Price
4 weeks
Duration
Helpful?B bill_t2
Italy
Very good job.
Up to $50
Price
1 day
Duration
Helpful?A andreadagui
Italy
Perfect job
Up to $50
Price
1 day
Duration
Helpful?
Reviews
7 reviews for this Gig
| (7) | ||
| (0) | ||
| (0) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
J jeetsikand
United States
Fast worker. Will hire again.
Up to $50
Price
4 days
Duration
Helpful?K kilelrono
Repeat Client
Kenya
Kamrul is a fast API python expert who worked relentelsy to deliver my complext data analytics tool. Planning on using further for further phases of the project.
$200-$400
Price
8 weeks
Duration
Helpful?K kilelrono
Repeat Client
Kenya
Fast API using him for futurw devlopment work on FastAPI
$100-$200
Price
4 weeks
Duration
Helpful?B bill_t2
Italy
Very good job.
Up to $50
Price
1 day
Duration
Helpful?A andreadagui
Italy
Perfect job
Up to $50
Price
1 day
Duration
Helpful?
