Salesforce Screen Flow Configuration Needed

I am in need of a Salesforce expert to assist me with configuring a screen flow that will pop up in a modal style. This pop up should occur when an opportunity stage changes to the value "Ready". Additionally, I need help setting up a default on screen flow using Dependent Picklist.

Key Requirements
- Pop-up in modal style when opportunity stage changes to "Ready"
- Set up a default on screen flow using Dependent Picklist

Ideal Skills and Experience:
- Proficient in Salesforce platform
- Experience with Salesforce screen flow configuration
- Familiar with Dependent Picklists in Salesforce
- Attention to detail to ensure smooth operation of modal pop up