

About us
Whether you want to get started with AI and the latest technology or you're building your career or the next great idea, Microsoft Reactor connects you with the developers and startups that share your goals.
Microsoft Reactors are centers for free technical learning and sharing, where developers and startup professionals can connect with the local community and build new skills to drive innovation.
Virtual events are running around the clock so join us anytime, anywhere!
Are you a Meetup organizer? Contact us to use our space: ReactorLDN@Microsoft.com
Learn more at: https://aka.ms/developer.microsoft/reactor
Many of our virtual workshops are recorded and then uploaded to our YouTube channel: Microsoft Reactor - YouTube
Upcoming events
23

Model Mondays - Open Models with Fireworks AI & Microsoft Foundry MCP Server
·OnlineOnlinePartner Spotlight - Running Open Models at Scale: Fireworks AI on Microsoft Foundry
Choosing a model is easy. Scaling it reliably is the hard part. In this Model Mondays session, join Shaunak Godbole, Field CTO at Fireworks AI, for interactive demos and a deeper look at how developers can run best‑in‑class open models at scale without managing infrastructure, including bringing the models they already trust through bring‑your‑own‑weights with Fireworks on Microsoft Foundry.Tech Spotlight - Microsoft Foundry Tools & MCP
The Foundry Tools provide a central hub for agents to discover and integrate tools (MCP Servers) to extend their capabilities. Join SeokJin Han as he demonstrates Foundry Tools and the Model Context Protocol integration. Learn how agents can discover and utilize tools through MCP Servers, extending their capabilities with a standardized interface and growing ecosystem.Learn more:
Fireworks models on Microsoft Foundry (preview)
Import custom models with Fireworks (preview)----------------------------------------------
Explore the repo📢 Join the conversation on Discord!
📌 This session is a part of the Model Mondays series. Learn more here!
11 attendees
Modernizing .NET at Scale with the GitHub Copilot App Mod Agent
·OnlineOnlineLearn how the GitHub Copilot App Modernization Agent brings agentic automation to .NET modernization. We’ll walk through assessing apps at scale through the CLI, generating modernization plans, and executing upgrades in IDE workflows—accelerating the path to Azure-ready apps.
📌 This session is a part of a series! Learn more here
11 attendees
Level Up Application Security on Azure DevOps 2026
·OnlineOnlineDiscover how GitHub Advanced Security on Azure DevOps (GHAzDO) is transforming application security for development teams. In this exclusive webinar, we'll explore how GHAzDO brings GitHub's powerful security capabilities directly to your Azure DevOps workflows, empowering teams to identify and fix vulnerabilities faster than ever before.
This session is a part of a series! Learn more here
20 attendees
Azure Decoded: Governance in a Modern Lakehouse with Azure Databricks and OneLak
·OnlineOnlineIn this session, you’ll learn how Azure Databricks, Microsoft Fabric, and OneLake come together to deliver a unified, modern Lakehouse architecture.
We’ll walk through how data flows seamlessly between platforms, how metadata stays consistent, and how shared governance is enforced end‑to‑end using Unity Catalog and Microsoft Purview. You’ll see how security, lineage, and access controls extend across both ecosystems—enabling teams to operate with a single governance framework while taking advantage of each platform’s strengths.
What you’ll learn:
- How Azure Databricks, Microsoft Fabric, and OneLake align to deliver a cohesive Lakehouse architecture.
- How unified governance works across both platforms using Unity Catalog and Microsoft Purview.
- Practical patterns for integrating Databricks and Fabric, including cross-platform data sharing and metadata consistency.
Who should attend: Developers, solution architects, and technical professionals who want to prepare for DP-750 Azure Databricks Data Engineer certification.
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Secure Unity Catalog objects
Govern Unity Catalog objectsThis session is a part of a series! Learn more here
14 attendees
Past events
2066





