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Fiverr Pro
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$
USD
I will fix fastapi bugs, API errors, and postgresql issues
Akash S
About this gig
Is your FastAPI backend failing or showing API, database, or authentication errors?
I will diagnose and fix your FastAPI backend issues so your API works reliably.
I can fix:
- FastAPI 500, 422, and validation errors
- SQLAlchemy and PostgreSQL issues
- JWT login and token bugs
- Pydantic validation problems
- Basic API and backend performance issues
- Python backend errors
What you will receive:
- Working code fixes
- Root-cause investigation
- A clear explanation of the solution
- Updated source code
- A short change summary
Tech stack:
Python, FastAPI, PostgreSQL, SQLAlchemy, JWT, Pydantic, Git, and GitHub.
Before ordering, please send:
- A clear issue description
- Error messages or logs
- Steps to reproduce the problem
- Relevant code or repository access
- Python, FastAPI, and database versions
Please remove passwords, API keys, tokens, and private credentials before sharing files.
The Basic package covers one small, clearly defined bug. Please message me before ordering if your issue involves multiple files, major refactoring, broad performance optimization, authentication redesign, or deployment.
Get to know Akash S
Akash S
Python Backend Developer FastAPI , REST APIs , PostgreSQL ,Docker, Deployment
- FromIndia
- Member sinceMar 2026
Languages
Hindi, English
Hi, I’m Akash, a Python Backend Developer focused on FastAPI, REST APIs, and PostgreSQL. I build reliable backends for SaaS, dashboards, and web apps.
I can help with API development, CRUD, JWT auth, PostgreSQL integration, bug fixing, refactoring, API docs, Docker setup, and deployment support (Render/Railway).
Tech: Python, FastAPI, PostgreSQL, SQLAlchemy, Git, GitHub, Docker.
I deliver clean structure, proper error handling, and maintainable code. Message me before ordering.
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.
