Built and deployed full-stack Visitor Management System using React and SharePoint REST APIs, rolling out to 5 international offices (USA/India) serving 200+ daily visitors, reducing check-in time by 40% and accelerating visitor data retrieval by 30% through centralized cloud database.

Engineered multi-tenant workspace architecture for AI-powered document intelligence chatbot, implementing secure file upload pipeline and RAG (Retrieval-Augmented Generation) integration, achieving 89% query accuracy across 12+ client deployments processing 10K+ monthly interactions.

Oncospark