Annual Maintenance for Web App

I'm seeking a professional for an annual maintenance contract for my web application. The app is built using Python and Angular.

Key Responsibilities:
- Implement regular security updates to safeguard against potential threats
- Optimize performance to ensure smooth user experience
- Enhance the user interface based on user feedback and design improvements
- Address additional requirements as they arise throughout the year

Ideal Skills:
- Proficient in Python and Angular
- Strong background in web application security
- Excellent understanding of performance optimization techniques
- Experience in UI/UX enhancement
- Capacity to respond to ad-hoc requests in a timely manner