Mayank Varsney — CTO

I'm a Principal Software Engineer at Microsoft with 16+ years building production systems that serve hundreds of millions of users. I architect and scale the distributed infrastructure powering Microsoft Copilot and M365 search experiences, leading teams that process petabytes of data daily with strict SLAs for freshness and reliability. I am technical leader in the semantic index and agent platform that powers Copilot Search, BizChat, and Agents across Microsoft 365, owning critical infrastructure including semantic ingestion pipelines that process enterprise content at massive scale, distributed indexing workflows and schema design enabling fast and accurate search and AI across diverse content types. My technical expertise spans distributed systems architecture including microservices, large-scale data processing, search and retrieval infrastructure covering Semantic Search, Agentic AI, RAG architectures and reliability engineering. I focus on delivering results that create meaningful impact while maintaining engineering excellence and cross-functional collaboration across engineering and product.

Stackforce AI infers this person is a SaaS expert with a strong focus on distributed systems and search infrastructure.

Location: Redmond, Washington, United States

Experience: 16 yrs 9 mos