M365 / Graph API Specialist

Strong hands-on experience with Microsoft Graph API (Mail, Calendar, People) Experience with Microsoft 365 development models (Outlook Add-ins) Deep understanding of Microsoft Entra ID (OAuth 2.0, token flows) Experience with Graph API change notifications and delta queries

Strongly Preferred: Experience with Microsoft Teams App development model (Tabs, Bots, Messaging Extensions) Experience with Adaptive Cards and Teams integration patterns Experience with Microsoft To Do API and Graph Tasks endpoint, including support for both the legacy Exchange Tasks endpoint (/me/tasks) and the Microsoft To Do API with tenant-level detection of which is active. Experience managing Tasks.