Browse categories
Explore
Fiverr Pro
English
$
USD
I will fix python fastapi bugs and improve backend performance
Akash S
About this gig
Having issues with your Python FastAPI backend? I will help you identify and fix bugs, improve API performance, and make your backend more reliable.
I provide FastAPI debugging and improvement services including:
Fixing FastAPI API errors and backend issues
Debugging Python backend code
Resolving database and PostgreSQL problems
Fixing authentication and JWT-related issues
Improving API performance and response time
Fixing validation and logic errors
Reviewing and improving existing backend code
Updating API documentation
Tech Stack:
Python
FastAPI
PostgreSQL
SQLAlchemy
Git & GitHub
Docker
I focus on clean solutions, proper debugging, maintainable code, and best backend practices.
Whether you have a small API issue or need improvements in an existing backend system, I can help you fix and optimize your application.
Please contact me before ordering so we can discuss your requirements.
Get to know Akash S
Akash S
Python Backend Developer FastAPI , REST APIs , PostgreSQL
- FromIndia
- Member sinceMar 2026
- Avg. response time1 hour
Languages
Hindi, English
I am a Python Backend Developer focused on building secure and scalable backend systems using FastAPI, REST APIs, and PostgreSQL.
I help businesses build:
• FastAPI REST APIs
• CRUD operations
• PostgreSQL database integration
• JWT authentication
• API documentation
• Backend bug fixes
• Deployment support
I write clean, maintainable code with proper structure, error handling, and best practices.
Tech Stack:
Python, FastAPI, PostgreSQL, SQLAlchemy, Git, Docker, Render/Railway.
I build reliable backend solutions for SaaS products, dashboards, and web applications.
Other Software Development Services I Offer
FAQ
Q: What information do you need before starting the bug fixing work?
A: I need a description of the issue, error messages, relevant code files, and any steps to reproduce the problem.
Q: Can you fix existing FastAPI backend code?
A: Yes, I can debug and improve existing FastAPI backend code, including API errors, database issues, and authentication problems.
Q: Do you provide source code after fixing the issues?
A: Yes, I provide the updated source code with the implemented fixes.
Q: Can you fix PostgreSQL database-related problems?
A: Yes, I can help resolve database connection issues, query problems, and basic PostgreSQL-related backend errors.
Q: Do you also improve API performance?
A: Yes, I can help identify performance issues and improve backend code, API response handling, and overall reliability.
