USA Slot Picking Automation Extension

I'm looking to develop a browser extension to automate slot selection for USA-based users. Key Requirements: - Automate slot selection based on user-defined criteria. - Support multiple slot picking criteria. Ideal Skills and Experience: - Proficiency in browser extension development, particularly for Chrome or Firefox. - Experience with automation scripts and algorithms. - Familiarity with UI/UX design for user-friendly interfaces. - Ability to handle complex logic for multiple criteria. Please share your experience and approach to this project.