Sajeetharan Sinnathurai
Principal Program Manager at Microsoft
Chennai, Tamil Nadu, India
Summary
🤩
Rockstar🎓
Top SchoolSajeetharan Sinnathurai is a Principal Program Manager at Microsoft driving Azure Cosmos DB growth, developer experience, and the VS Code extension while shaping MCP integrations that enable AI-agentic development. With over a decade in software and 15 years of product-focused experience, he blends hands-on engineering contributions—such as improving Cosmos DB samples in the widely used azure-sdk-for-js—with strategic ownership of SDKs, emulators, and gallery/labs that accelerate developer adoption. He has led cross-product launches and partner integrations (Vercel, Hasura, Fivetran) and delivered GA features like the MongoDB vCore, Table and Patch APIs to strong customer uptake. Previously he scaled cloud adoption across APAC as a Cloud Solutions Architect, achieving notable partner and AKS adoption wins, and earlier technical leadership roles honed his delivery and mentoring skills. Known for turning sample code and documentation into effective learning artifacts, he focuses on practical, hands-on developer productivity improvements that reduce friction for real-world builders. Based in Chennai, he combines regional go-to-market impact with deep open-source involvement in Azure SDK improvements.
11 years of coding experience
9 years of employment as a software developer
Anna University, Chennai
English, Tamil, Sinhalese, Hindi
Stackoverflow
219,661reputation
28.8mreached
6,698answers
208questions
rxjs
top-5%
dictionary
top-5%
angular-material
top-1%
azure
top-1%
google-cloud-firestore
top-1%
android
top-5%
Github Skills (89)
xaml10
linq10
azure-functions10
microsoft-azure10
cosmosdb10
visual-studio10
angular-material10
wpf10
firebase10
javascript10
azure-sdk10
ionic10
angular-forms10
html10
azure10
Programming languages (15)
Github contributions (5)
Azure/azure-sdk-for-js
Nov 2021 - Nov 2022
This repository is for active development of the Azure SDK for JavaScript (NodeJS & Browser). For consumers of the SDK we recommend visiting our public developer docs at https://docs.microsoft.com/javascript/azure/ or our versioned developer docs at https://azure.github.io/azure-sdk-for-js.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:169 reviews, 14 commits, 82 PRs in 1 year
Contributions summary:Sajeetharan primarily focused on fixing issues and improving the Cosmos DB samples within the Azure SDK for JavaScript. Their work involved correcting errors in the sample code, updating configurations, and implementing improvements to existing samples, including index and item management examples. The user also refactored code and updated sample structures, including the addition of JSON Patch API samples. These changes suggest an active role in maintaining and enhancing the functionality and usability of the Cosmos DB samples.
versionedbrowserjavascriptsdkconsumers
sajeetharan/sajeetharan
Jul 2020 - Oct 2022
Repository to introduce myself
Contributions:19 commits, 3 PRs, 16 pushes in 2 years 3 months
introducepythonmyself
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.