Google appsheets

I am looking for a freelancer who can help me with my Google AppSheet project.

Specific functionality needed:
- Workflow automation

Database:
- I have an existing database that will need to be integrated with the Google AppSheet.

Integration:
- I require integration with non-Google services.

Ideal skills and experience for this job:
- Proficiency in Google AppSheet
- Experience in workflow automation
- Knowledge of integrating non-Google services with Google AppSheet