I will build web applications for you


About this gig
About This Gig
Are you looking for a robust, production-ready backend that scales? Whether its a high-traffic E-commerce platform, a complex HRM system, or a real-time business solution, I build architectures designed for performance and security.
With extensive experience in Django and FastAPI, I focus on writing clean, maintainable code that powers seamless user experiences. From logic-heavy business tools to lightning-fast real-time applications, I deliver solutions that are ready to handle growth.
What I Offer:
- Custom Backend Development: Tailored logic for HRM, E-commerce, and SaaS.
- Real-time Operations: WebSockets and asynchronous processing for live updates.
- API Design: Secure, well-documented RESTful and GraphQL APIs.
- Database Architecture: Optimized schemas for PostgreSQL, MySQL, or NoSQL.
- Third-Party Integration: Payment gateways (Stripe, SSLCommerz), SMS services, and social auth.
- System Optimization: Refactoring legacy code for better speed and scalability.
- Architecture First: I dont just code; I design systems that prevent technical debt.
Respect third-party rights
Please be aware that it is against Fiverr's policies for sellers to include themes, templates, or any other elements that infringe third-party rights or applicable laws in the delivered work. Read more about in our Guide to Responsible Digital Creation.
Get to know abiralfoysal
Let's make something creative, impressive and remarkable!
- FromBangladesh
- Member sinceJun 2020
- Avg. response time1 hour
Languages
English
My Portfolio
FAQ
Can you handle real-time features like live chats or notifications?
Absolutely. I implement real-time operations using WebSockets (Django Channels) or FastAPI’s native async support combined with Redis. This ensures your users get instant updates without refreshing the page.
Will the backend be "production-ready"?
Yes. "Production-ready" means more than just working code. It means environment variable management, secure database configurations, optimized queries to prevent lag, and comprehensive error handling. I build systems intended to stay up 24/7.
What happens if I need a change after the project is delivered?
I write modular, clean code following the "Don't Repeat Yourself" (DRY) principle. This makes the system easy to update. I also offer a post-delivery support period to ensure a smooth transition and address any initial questions you might have.
How do you ensure my data and API remain secure?
Security is integrated from day one. I implement JWT or OAuth2 authentication, protection against common vulnerabilities (SQL injection, XSS, CSRF), and strict permission logic to ensure users only access the data they are authorized to see.
Do you provide documentation for the API?
Yes. For FastAPI, you get automatic Swagger/OpenAPI documentation. For Django, I use tools like drf-spectacular to provide a clear, interactive UI so your frontend team (or any future developers) can integrate with the backend seamlessly.
Can you integrate third-party services like payment gateways or SMS?
Definitely. I have experience integrating various APIs, including Stripe, PayPal, SSLCommerz, and automated SMS gateways. If your business solution requires a specific third-party tool, I can plug it into the architecture.

