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Definity · 2 weeks ago

Microsoft 365 Integrations Engineer

United States

Full-time

Remote

Mid, Senior Level

Definity is a technology company founded in 2004, focused on delivering impactful technology solutions. They are seeking a Microsoft 365 Integrations Engineer to build and evolve integrations across the Microsoft ecosystem, primarily focusing on Microsoft Teams and Microsoft Word plugins, while also supporting Microsoft Outlook integrations.

ConsultingDigital MarketingSEO

Growth Opportunities

Responsibilities

Build and maintain Microsoft Teams add-ins and bot functionality, improving reliability and user experience

Develop Microsoft Word plugins with more complex requirements (edge cases, nuanced behaviors, secure workflows)

Contribute to the longer-term roadmap for Microsoft Outlook plugins, helping define approach, feasibility, and architecture

Implement integrations around SharePoint/OneDrive, focusing on secure authentication and file-sharing workflows

Design and develop APIs/services to support integration needs (permissions, file access, events, automations)

Collaborate with engineering and product stakeholders to define integration requirements and deliver predictable outcomes

Ensure secure handling of credentials, tokens, and access control across Microsoft ecosystems

Improve development and deployment workflows (CI/CD, observability, debugging practices)

Qualification

Microsoft Teams integrationsMicrosoft Word pluginsAzure + Microsoft 365 servicesAPI developmentMicrosoft identity & authenticationGitDevOps familiarityGeneral integrations experienceMicrosoft Graph APIAdvanced English

Required

Proven experience building Microsoft Teams integrations, including add-ins and bot-related functionality

Strong experience developing Microsoft Word plugins, including handling complex or nuanced plugin requirements

Experience (or strong interest) in Microsoft Outlook plugins; this is more exploratory and longer-term, but on our roadmap

Solid experience with Azure + Microsoft 365 services, especially: Integrations and authentication flows and SharePoint / OneDrive file-sharing workflows and permissions

Strong knowledge of Microsoft identity & authentication concepts

Experience with API development and building integration-friendly services

Strong debugging skills across distributed systems

Familiarity with Git and modern version control workflows

Advanced English

Bachelor's degree in Computer Science, Software Engineering, or a related field (or equivalent practical experience)