I have more than 10 years of experience in development and management of SharePoint portals including office 365 apps as well. I works in below key areas:
1. Modern sharepoint intranet portal setup and customization
2. Sharepoint application security and permissions setup
3. Power automate for approval and other automated process
4. Power apps development for organization mobile apps
5. Power BI reports and dashboard implementation
Feel free to discuss your needs regarding sharepoint/office 365.