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I will build secure python fastapi rest apis with postgresql
Mr. S
About this gig
Are you looking for a secure, scalable, and professionally developed REST API for your application?
I will build modern backend APIs using Python FastAPI, Flask, or Django, with PostgreSQL, MySQL, or other supported databases.
As an experienced Software Engineer specializing in backend development, distributed systems, database design, and cloud infrastructure, I focus on delivering clean, maintainable, and production-ready code.
WHAT I CAN BUILD
1. REST API Development
- RESTful API development using Python FastAPI, Flask, or Django
- CRUD endpoints and business logic implementation
- Request validation and structured error handling
- Pagination, filtering, and sorting
- API integration with frontend, mobile, or third-party applications
2. Authentication & Security
- JWT authentication and authorization
- Role-based access control (RBAC)
- Secure password hashing
- Input validation and API security best practices
- Rate limiting and protection against common API vulnerabilities
3. Database Integration
- PostgreSQL, MySQL, SQLite
- Database schema design and relationships
- SQLAlchemy ORM integration
- Database migrations using Alembic
- Query optimization and transaction management
Get to know Mr. S
Mr. S
working
- FromBangladesh
- Member sinceJul 2017
- Avg. response time3 hours
- Last delivery7 months
Languages
English
As a Senior Software Engineer, I specialize in architecting and scaling modern web applications and distributed systems. From backend microservices to cloud infrastructure, I deliver robust, maintainable solutions across the full development lifecycle.
GitHub: https://github.com/sany2k8
Stack Overflow: https://stackoverflow.com/users/a-l-w-a-y-s-s-u-n-n-y
Let’s collaborate to build a scalable solution tailored to your needs.
My Portfolio
Other Software Development Services I Offer
FAQ
Can you develop APIs using Flask or Django instead of FastAPI?
Yes. I can develop REST APIs using FastAPI, Flask, or Django REST Framework depending on your requirements.
Can you integrate PostgreSQL or MySQL, or Vector Databases?
Yes. I can design database schemas and integrate relational databases using SQLAlchemy or Django ORM.
Do you provide authentication and authorization?
Yes. JWT authentication, password hashing, role-based access control, and permission management are available depending on the package.
Will I receive the source code?
Yes. All packages include the developed source code.
Can you deploy the API to AWS?
Yes. AWS deployment, Docker, environment configuration, and CI/CD can be offered as additional services or custom packages.
Can you fix or improve an existing API?
Yes. I can debug, optimize, refactor, and add features to existing Python backend applications.
