{
  "schemaVersion": "1.0",
  "id": "https://www.sajeetharan.dev/#person",
  "name": "Sajeetharan Sinnathurai",
  "url": "https://www.sajeetharan.dev/",
  "profilePage": "https://www.sajeetharan.dev/career",
  "jobTitle": "Principal Product Manager",
  "employer": {
    "name": "Microsoft"
  },
  "summary": "Principal Product Manager specializing in developer experience, databases, and AI agents, with a hands-on engineering background.",
  "expertise": [
    "Developer Tooling",
    "Azure Cosmos DB",
    "Cosmos DB",
    "Databases",
    "NoSQL",
    "Developer Experience",
    "Coding Agents",
    "GitHub Copilot",
    "GitHub",
    "Cloud Computing",
    "Azure",
    "Artificial Intelligence",
    "Model Context Protocol",
    "Agent Skills"
  ],
  "profiles": {
    "LinkedIn": "https://www.linkedin.com/in/sajeetharan/",
    "GitHub": "https://github.com/sajeetharan",
    "Stack Overflow": "https://stackoverflow.com/users/1749403/sajeetharan",
    "X / Twitter": "https://twitter.com/kokkisajee"
  },
  "contactUrl": "https://www.sajeetharan.dev/contact",
  "lastUpdated": "2026-11-02",
  "availability": "Contact directly to discuss a role or collaboration. This profile does not confirm an active job search, availability, compensation, relocation, or a start date.",
  "careerHistory": [
    {
      "role": "Principal Product Manager",
      "company": "Microsoft",
      "period": "2020 - Present",
      "location": "Bangalore, India",
      "description": [
        "Leading Azure Cosmos DB developer experience, SDK design, and tooling",
        "Driving product strategy for developer tools and extensions",
        "Building world-class developer experiences for distributed databases"
      ]
    },
    {
      "role": "Cloud Solution Architect",
      "company": "Microsoft",
      "period": "2019 - 2020",
      "location": "Sri Lanka",
      "description": [
        "Helped enterprise customers adopt Azure cloud solutions",
        "Designed and implemented cloud-native architectures",
        "Mentored developers and led community initiatives"
      ]
    },
    {
      "role": "Technical Lead",
      "company": "99X Technology",
      "period": "2016 - 2019",
      "location": "Sri Lanka",
      "description": [
        "Led development teams building enterprise software solutions",
        "Architected scalable applications for global clients",
        "Received Technology Leadership Award in 2018"
      ]
    },
    {
      "role": "Software Engineer",
      "company": "DuoSoftware",
      "period": "2011 - 2016",
      "location": "Sri Lanka",
      "description": [
        "Full-stack development with modern web technologies",
        "Built cloud-based SaaS products",
        "Contributed to open source projects"
      ]
    }
  ],
  "projects": [
    {
      "id": "cosmos-agent-starter",
      "title": "Cosmos Agent Starter",
      "role": "Author",
      "description": "Build production-oriented AI agents with Azure Cosmos DB using a guided CLI and ready-to-use templates.",
      "problem": "Getting an agent from a demo to a working, data-backed application.",
      "contribution": "Authored a guided CLI and templates for building agents with Azure Cosmos DB.",
      "outcome": "A runnable starting point with a published end-to-end walkthrough covering memory, isolation, and diagnostics.",
      "url": "https://github.com/sajeetharan/cosmos-agent-starter",
      "guide": "/blogs/build-an-ai-agent-with-azure-cosmos-db"
    },
    {
      "id": "devglobe",
      "title": "DevGlobe",
      "role": "Author",
      "description": "An open-source talent graph connecting developers and AI agents through an interactive globe, search, and public contribution evidence.",
      "problem": "Finding collaborators through evidence of their work, not just profiles.",
      "contribution": "Built an open-source developer discovery experience backed by Azure Cosmos DB.",
      "outcome": "A live searchable globe with public developer evidence and MCP access for agents.",
      "url": "https://github.com/sajeetharan/devglobe",
      "demo": "https://www.devglobe.dev/",
      "guide": "/blogs/building-devglobe-with-azure-cosmos-db"
    },
    {
      "id": "cosmos-mcp-toolkit",
      "title": "Azure Cosmos DB MCP Toolkit",
      "role": "Author",
      "description": "Tools, utilities, and resources for bringing Azure Cosmos DB workflows into AI-assisted development.",
      "problem": "Connecting AI-assisted development to database workflows.",
      "contribution": "Authored open-source MCP tooling for Azure Cosmos DB developer productivity.",
      "outcome": "A public toolkit with source code and resources developers can inspect, use, and contribute to.",
      "url": "https://github.com/AzureCosmosDB/MCPToolKit"
    }
  ],
  "sources": [
    "https://www.sajeetharan.dev/career",
    "https://www.sajeetharan.dev/projects",
    "https://www.sajeetharan.dev/talks"
  ]
}