Microsoft Teams Implementation Specialist (m/f/d) remote I Freelance

About the Role We are looking for a Microsoft Teams Implementation Specialist (m/f/d) to lead the end-to-end integration of Microsoft Teams within our multi-tenant, AI-powered self-service platform. You will own the full lifecycle from development to deployment, verification, and ongoing maintenance ensuring a seamless one-click installation experience for our customers. This is a hands-on, self-driven role in a small and agile team. We’re looking for someone proactive , resourceful , and capable of taking initiative without needing constant direction . You should be comfortable solving complex technical problems, communicating clearly, and pushing projects forward with a sense of ownership and urgency. ⚠️ Very important: You must have experience integrating 3rd-party apps into Microsoft Teams. Please do not apply if you have not built or integrated 3rd-party Teams apps before. Tasks Key Responsibilities Develop, maintain, and optimize a Microsoft Teams integration for a Django-based , multi-tenant self-service AI platform. Design and implement a one-click deployment flow that allows external users to easily install the app in their own Teams environments. Manage and secure multi-tenant authentication, permissions, and identity across different organizations. Handle the submission, validation, and verification process for publishing and listing the Teams app in the Microsoft App Store. Integrate and extend AI capabilities using Azure OpenAI, Google Vertex AI, and internal orchestration layers. Collaborate closely with the team to ensure smooth end-to-end deployment. Troubleshoot and resolve issues related to authentication, messaging, or tenant-specific deployment. Contribute to continuous improvement in architecture, documentation, and performance. Requirements Required Skills & Qualifications 3+ years of hands-on experience developing and deploying Microsoft Teams applications. Must have experience integrating 3rd-party apps into Microsoft Teams. (Please do not apply if you have not built or integrated 3rd-party Teams apps before.) Proven knowledge of the Microsoft Bot Framework, Graph API, and Teams App Studio / Developer Portal. 4+ years of professional experience in Python (Django strongly preferred). Deep understanding of multi-tenant architectures and OAuth2 authentication flows. Experience with AI integrations, including Azure OpenAI, Google Vertex AI, or other large language model APIs. Strong understanding of Generative AI, Retrieval-Augmented Generation (RAG) pipelines, tool-using agents, and Model Context Protocol (MCP). Demonstrated success in publishing and verifying apps for Microsoft Teams. Deployed at least one Microsoft Teams app on the Microsoft Apps Marketplace. Strong debugging, problem-solving, and documentation abilities. Excellent communication skills in English, able to translate technical topics into clear next steps. Proactive and self-motivated, thrives in an independent, fast-paced startup setting. Able to take full ownership of projects and deliver end-to-end results with minimal supervision. Curious, adaptable, and passionate about building AI-driven products that work seamlessly across enterprise chat environments. Additional Information Type: Freelance contract (hourly based) Start: Immediately Scope: Starting with at least 5 hours/month , with potential to increase Language: English only (German not required) Location: 100% remote Please watch this video first: https://www.youtube.com/watch?v=5XJ0JyUSI-A&feature=youtu.be ⚠️ When applying, please include your CV or portfolio and a short 2–3 minute introduction video (in English) telling us briefly about your experience with Microsoft Teams integrations.