I have worked on the complete Frontend development part of the Admin portal for the App Marketplace Application to enable developer/partner experience, following are the main functionalities that I have worked on:
Live Chat (using Twilio SDK)
Notification handlers for push and email notifications
Custom email notifications and their management
Email template builder
Export and Import of marketplace data
Data internationalisation
Form builder: Custom form elements and their custom configurations like validations, default values etc.
Management of complex roles and permission requirements
Emulate client environment for the super admin user
Swagger UI integrations
New client onboarding automation flow
Marketplace app metadata diff view between different versions