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You will get a secure and scalable REST API backend built with FastAPI (Python)
Project details
I will build a high-performance REST API backend using FastAPI, designed for speed, security, and scalability.
Whether you need a lightweight API for a new app, or a production-ready backend to support growth, I deliver solutions that are:
• Fast – built with async features for maximum performance
• Secure – authentication and authorization built in
• Scalable – ready to handle growth and heavy traffic
• Maintainable – clean, documented, and future-proof
You will get:
• A custom REST API developed in FastAPI (Python)
• Secure authentication (JWT, OAuth2, API keys)
• Database integration (PostgreSQL, MySQL, MongoDB, SQLite)
• Auto-generated documentation (Swagger/OpenAPI)
• Deployment-ready setup with Docker
• Error handling, logging, and clean maintainable code
💡 Best For:
• Mobile or web app backends
• Data-sharing and integration APIs
• Microservices architecture
• Automation & workflow APIs
• Connecting third-party services
📌 Tech Stack: Python, FastAPI, SQLAlchemy, PostgreSQL, MySQL, MongoDB, Docker, JWT, OAuth2
Whether you need a lightweight API for a new app, or a production-ready backend to support growth, I deliver solutions that are:
• Fast – built with async features for maximum performance
• Secure – authentication and authorization built in
• Scalable – ready to handle growth and heavy traffic
• Maintainable – clean, documented, and future-proof
You will get:
• A custom REST API developed in FastAPI (Python)
• Secure authentication (JWT, OAuth2, API keys)
• Database integration (PostgreSQL, MySQL, MongoDB, SQLite)
• Auto-generated documentation (Swagger/OpenAPI)
• Deployment-ready setup with Docker
• Error handling, logging, and clean maintainable code
💡 Best For:
• Mobile or web app backends
• Data-sharing and integration APIs
• Microservices architecture
• Automation & workflow APIs
• Connecting third-party services
📌 Tech Stack: Python, FastAPI, SQLAlchemy, PostgreSQL, MySQL, MongoDB, Docker, JWT, OAuth2
Programming Languages
HTML & CSS, PythonCoding Expertise
Cross Browser & Device Compatibility, Performance OptimizationWhat's included
| Service Tiers |
Starter
$150
|
Standard
$350
|
Advanced
$600
|
|---|---|---|---|
| Delivery Time | 5 days | 10 days | 21 days |
Number of Revisions | 1 | 2 | 3 |
Number of Pages | 3 | 8 | 15 |
Design Customization | - | - | - |
Content Upload | - | - | - |
Responsive Design | - | - | - |
Source Code |
Optional add-ons
You can add these on the next page.
Additional Page
(+ 1 Day)
+$5
6 reviews
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HB
Harold B.
Jan 5, 2026
licensee scraping
It's always a pleasure working with Jean Claude Van.
HG
Haran G.
Oct 14, 2025
Scraping Engineer
RC
Ray C.
Aug 4, 2025
Data Acquisition
FS
Faron S.
Jul 5, 2024
Web Scraping Development
HB
Harold B.
Dec 16, 2023
Social media scraping
One of my employees went through a very rigorous process of selecting the right freelancer who could help us with a very challenging Python project. Jean Claude did not disappoint. We plan no working with him again. I highly recommend him.
About Jean Claude Van
Full-Stack Web Developer | Python, FastAPI, REST APIs & Automation
70%
Job Success
Samal, Philippines - 1:22 pm local time
REST API integration, and business automation. I build reliable web
applications, from responsive frontends to scalable Python backends,
helping businesses replace manual workflows with software that works.
Looking for a Python developer, web developer, or automation expert?
I deliver clean, maintainable solutions that save time and keep
running long after the project ends.
━━━━━━━━━━━━━━━━━━━━━━━
STACKS
━━━━━━━━━━━━━━━━━━━━━━━
⚡ Frontend
- SvelteKit
- React / Next.js
⚡ Backend
- FastAPI
- Django
⚡ Database & Auth
- PostgreSQL
- Firebase
- Supabase
⚡ Infrastructure
- Self-hosting (VPS, Linux)
- Docker
━━━━━━━━━━━━━━━━━━━━━━━
SERVICES
━━━━━━━━━━━━━━━━━━━━━━━
✅ Python Backend Development (FastAPI / Django)
- REST API design and development
- Authentication and user management
- Database design and integration
- Business logic implementation
✅ Full-Stack Web Development
- SvelteKit and React / Next.js frontends
- Landing pages and web applications
- HTMX + FastAPI + Jinja
- Responsive UI connected to Python backends
✅ API Integration & Third-Party Services
- REST API and webhook integration
- Google Sheets and Google Workspace automation
- Payment gateway integration (Stripe, PayPal)
- CRM, inventory, and business system integrations
✅ Business Process Automation
- End-to-end workflow automation
- Data synchronization between platforms
- Scheduled jobs and reporting systems
- Spreadsheet and document automation
✅ Web Scraping & Data Extraction
- JavaScript-heavy and dynamic websites
- Playwright and Selenium automation
- BeautifulSoup and Scrapy pipelines
- CAPTCHA-aware scraping solutions
- Structured output to CSV, Excel, JSON, or Google Sheets
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TECHNOLOGIES
━━━━━━━━━━━━━━━━━━━━━━━
Python | FastAPI | Django | JavaScript | React | Next.js | SvelteKit
PostgreSQL | Firebase | Supabase | Docker | REST API | Playwright
Selenium | BeautifulSoup | Scrapy | Google Sheets API | Git | Linux
━━━━━━━━━━━━━━━━━━━━━━━
WHAT YOU CAN EXPECT
━━━━━━━━━━━━━━━━━━━━━━━
→ Clean, maintainable code
→ Clear and consistent communication
→ Reliable delivery with realistic timelines
→ Well-documented solutions
→ Long-term support when needed
If you need a full-stack web developer or Python automation expert
who delivers working solutions, not just code, I would love to
discuss your project.
Steps for completing your project
After purchasing the project, send requirements so Jean Claude Van can start the project.
Delivery time starts when Jean Claude Van receives requirements from you.
Jean Claude Van works on your project following the steps below.
Revisions may occur after the delivery date.
Gather your requirements (endpoints, database, features).
Set up the FastAPI project and database.