Microsoft Dataverse Setup and Integration

I'm looking for an experienced Power Apps and Microsoft Dataverse expert to set up and refine several Dataverse tables for streamlined data entry.

Key Requirements:
- Critique and creation of detailed tables for subject areas: accounts, companies, logins, payment methods, financial institutions, vendors, etc.
- Establish table relationships and lookups
- Implement cross-table data validation
- Personalized calendar integration for reminders on desktop and mobile

Ideal Skills and Experience:
- Proficiency in Microsoft Dataverse and Power Apps
- Strong understanding of table relationships and data validation
- Experience with calendar integration
- Ability to provide advice and refinements

Please provide examples of similar work done and your approach.