Dynamic Gmail Signature Automation

I'm looking for a skilled developer to create a programmatically dynamic email signature for my domain hosted on GCP using Google App Script. This will pull data from the Google Workspace directory to update the personal email signatures of my employees.

Requirements:
- The email client is Gmail.
- Data to pull:
- Name and Job Title
- Profile Photo
- Contact Information
- Signatures need to be updated daily.

Ideal Skills and Experience:
- Proficiency in Google App Script
- Experience with Google Workspace API
- Familiarity with GCP
- Knowledge of Gmail API and email signature formatting

Please provide samples of similar work done.