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Fiverr Pro
English
$
USD
I will build a python fastapi rest API and backend
R Srikrishna
About this gig
Need a reliable Python backend or REST API for your application?
I will build or improve a clean and well-structured backend using Python and FastAPI.
I can help with:
- REST API development
- CRUD APIs and database integration
- PostgreSQL or MongoDB
- JWT authentication
- Input validation and error handling
- Third-party API integration
- API documentation
- Bug fixes and improvements
I focus on writing maintainable code that can be integrated with web, mobile, or other applications.
Technologies: Python, FastAPI, REST API, PostgreSQL, MongoDB, JWT, Pydantic.
Please message me before ordering if your project has requirements outside the package scope, so I can recommend the right package or create a custom offer.
Get to know R Srikrishna
R Srikrishna
Website Developer
- FromIndia
- Member sinceAug 2025
- Avg. response time1 hour
Languages
Telugu, English, Hindi
I am a CS Undergrad passionate about full-stack development, blockchain, and AI. Experienced through internships and hackathons, I have built projects like Faux Therapist (AI Medical Assistant), Virtual Chemistry Lab (Hackathon Finalist), and EduSign (NFT-based Certificates). Skilled in React, Tailwind, Node JS, Flask, Solidity, and Ethereum, with hands-on work in frontend development and blockchain-based healthcare systems. Always eager to solve real-world problems with scalable, user-focused solutions.
FAQ
Can you work with an existing FastAPI project?
Yes. I can add new endpoints, features, integrations, or fix bugs in an existing FastAPI project. Please provide the relevant source code and explain what needs to be changed.
Can you build a new REST API from scratch?
Yes. I can build a small REST API from scratch using Python and FastAPI. The exact scope depends on the number of endpoints and features required.
Can you integrate a database?
Yes. Database integration with PostgreSQL or MongoDB is available in the Standard and Premium packages. Please provide your database requirements or schema if you already have one.
Can you add authentication to my API?
Yes. JWT-based authentication can be included in the Premium package. If you need a different authentication method, please contact me before ordering.
Can you integrate a third-party API?
Yes. I can integrate external REST APIs into your FastAPI backend when API documentation and the required credentials or access are provided.
Can you build a large or complex application?
Larger applications, complex backends, payment systems, or projects requiring extensive features should be discussed before ordering. I can review your requirements and provide a custom offer based on the project scope.
