Resume of Kabir Sarin, Staff Software Engineer and Founding Engineer with 13+ years building production platforms across healthcare, telecom, and consumer hardware. Full-stack TypeScript, React, Node.js, and GraphQL on AWS and GCP, with depth in monolith-to-microservices and REST-to-federated-GraphQL migrations at 50M-row / 25+-engineer scale. Production observability with Sentry and OpenTelemetry; testing with Jest, Vitest, Cypress, and Playwright. Track record of leading architecture committee