A Microsoft 365 Developer is responsible for designing, developing, and maintaining solutions using Microsoft 365 services, such as SharePoint, Teams, Power Platform, and Microsoft Graph API. They build custom applications, automate workflows, and integrate various Microsoft 365 tools to enhance productivity and collaboration. This role requires expertise in programming languages like JavaScript, TypeScript, C#, and frameworks such as SPFx and Power Automate. Additionally, developers ensure security, compliance, and performance while customizing Microsoft 365 environments to meet business needs.