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I will fix python fastapi rest API bugs and backend issues
Vasu Sharma
About this gig
Hello! I'm Vasu, a Python Backend Developer specializing in FastAPI, REST APIs, PostgreSQL, SQLAlchemy, API integrations, backend debugging, and performance optimization.
I can help you with:
FastAPI application development
REST API development and integration
API bug fixing and troubleshooting
Authentication and authorization (JWT, OAuth)
PostgreSQL, MySQL, and SQLite database integration
SQLAlchemy ORM implementation
Backend performance optimization
Error handling and logging improvements
API testing using Postman
Swagger/OpenAPI documentation
Existing project maintenance and code improvements
Why choose me?
Clean, maintainable, and scalable code
Fast communication and regular updates
Timely delivery
Professional debugging and issue resolution
Best practices for backend development
Technologies I work with:
Python
FastAPI
PostgreSQL
SQLAlchemy
REST APIs
Postman
Git & GitHub
Docker
What you can expect:
Reliable backend solutions
Well-structured APIs
Secure database integration
Detailed testing before delivery
Please c
Get to know Vasu Sharma
Vasu Sharma
Python FastAPI and PostgreSQL Developer
- FromIndia
- Member sinceMar 2025
- Avg. response time3 hours
Languages
English, French
Hi, I'm Vasu, a Python Backend Developer specializing in FastAPI, REST APIs, backend debugging, database integration, and performance optimization.
I help businesses fix backend issues, resolve API errors, improve application performance, and build scalable backend solutions.
My expertise includes:
Python
FastAPI
REST APIs
PostgreSQL
SQLAlchemy
API Integration
Backend Debugging
I focus on delivering clean, reliable, and maintainable code with clear communication and timely delivery.
My Portfolio
FAQ
What do you need to start working on my project?
Please provide project requirements, source code (if available), API documentation, database details, and any error logs or screenshots related to the issue.
Can you fix bugs in existing FastAPI projects?
Yes. I can debug and fix issues in existing FastAPI applications, REST APIs, database integrations, authentication systems, and backend logic.
Do you provide database integration?
Yes. I work with PostgreSQL, MySQL, and SQLite databases and can handle schema design, integration, optimization, and troubleshooting.
Can you build a FastAPI backend from scratch?
Yes. I can create complete FastAPI backends from scratch, including database integration, authentication, API endpoints, and Swagger/OpenAPI documentation.
Do you provide API documentation?
Yes. I provide Swagger/OpenAPI documentation to make your APIs easy to understand, test, and maintain.
Do you use Postman for API testing?
Yes. I thoroughly test APIs using Postman to ensure correct functionality, proper error handling, and reliable performance before delivery.
