Django Web App Customization & Design

I'm in need of a talented developer to help me with a substantial project. I'm looking to customize an open source web application built on Django. The ideal candidate will have experience in both Django and front-end design and will be able to implement modifications and design enhancements according to my needs.

Key Responsibilities:
- Enhance user authentication
- Integrate RAzorpay as the payment gateway
- Modify and optimize the database
- Integrate AWS services