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English
$
USD
I will build a secure fastapi rest API with jwt authentication
Shushant K
About this gig
Need a secure, scalable, and production-ready backend built fast? You're in the right place.
I specialize in FastAPI backends with JWT authentication, built for startups, SaaS products, and AI applications that need reliable infrastructure from day one.
WHAT YOU GET
- JWT Authentication login, register, refresh tokens, role-based access
- REST API endpoints with full CRUD operations
- PostgreSQL / MySQL / MongoDB integration via SQLAlchemy ORM
- Pydantic validation + proper error handling
- Auto-generated Swagger / OpenAPI documentation
- Clean architecture router / service / model pattern
- Secure API design no exposed secrets, no bad practices
- Full source code included
PERFECT FOR
- Startup MVPs that need a backend fast
- SaaS apps that need auth + database from day one
- AI apps that need a reliable API layer
- Anyone who got burned by messy, unscalable code before
TECH STACK
- FastAPI
- Python
- PostgreSQL
- MySQL
- MongoDB
- SQLAlchemy
- JWT Authentication
- Pydantic
- Docker
- Git & GitHub
BEFORE YOU ORDER
Message me first with what you need. I'll confirm scope, timeline, and the right package no surprises, no scope creep after delivery.
Let's build something solid.
Get to know Shushant K
Shushant K
BTech CSE Student
- FromIndia
- Member sinceJun 2026
- Avg. response time1 hour
Languages
Hindi, English
Hi, I'm Shushant, a backend developer specializing in Python, FastAPI, Java Spring Boot, REST APIs, AI integrations, and database design.
I help startups and businesses build scalable backend systems, secure authentication, admin dashboards, and API integrations.
I focus on writing clean, maintainable, production-ready code with proper documentation and timely delivery.
FAQ
What do you need before starting the project?
I need your project requirements, API specifications (if available), preferred database, authentication requirements, and any UI designs or documentation. If you're unsure, I can help define the backend architecture.
I'm not sure which package fits my project. What should I do?
No problem! Send me a message with your requirements, and I'll recommend the most suitable package or create a custom offer tailored to your needs.
Do you develop custom REST APIs?
Yes, I develop fully customized REST APIs based on your project requirements.
Which databases do you support?
I work with: PostgreSQL MySQL MongoDB SQLite I can also help you choose the best database based on your project.
Can you implement user authentication and authorization?
Absolutely. I can implement: JWT Authentication OAuth Login (Google, GitHub, etc.) Role-Based Access Control (RBAC) Refresh Tokens Password Hashing Secure Login APIs
Will the code be scalable and production-ready?
Yes. I follow clean architecture, modular folder structures, proper validation, logging, exception handling, and security best practices to deliver maintainable and scalable code.
How do revisions work?
Revisions cover changes within the original project scope. If new features are requested after development begins, they may require a custom offer.
Do you deploy the backend?
Yes. I can deploy your application on platforms like: Render Railway DigitalOcean AWS EC2 VPS Servers Docker Containers Deployment can be included as an extra service.
Do you provide support after delivery?
Yes. I provide post-delivery support for bug fixes related to the delivered work. Additional features or long-term maintenance can be discussed separately.
