Subscription Management App for Zoho Commerce

I'm in need of a skilled developer to create a subscription app/plugin for my Zoho Commerce platform. This app/plugin must be capable of handling various subscription frequencies, such as daily, on alternate days, or on a specific day of the week.

Key Features:
- Management of different subscription options: The app/plugin should provide flexibility for managing subscriptions on a daily basis, on alternate days, on a specific day of the week, or on a periodic basis.
- User should have option to pause/resume subscription.
- User should have option to change address of subscription
- User should have option to cancel subscription delivery for a particular day/days
- Option to increase decrease qty of subscription should be available
- automated calculation of subscription option
- Usage Tracking: The app/plugin should include functionality for tracking usage.

Ideal Skills:
- Proficient in Zoho Commerce application/plugin development.
- Experienced in creating subscription management systems.
- Strong skills in implementing usage tracking functionality.