Designed and implemented Amazon’s telehealth service using Node.js and TypeScript as the primary backend, deployed on AWS ECS with infrastructure managed via Terraform and CloudFormation. Led features such as scheduling, video meetings (WebRTC), intake form processing, e-prescriptions, and payment handling (Stripe) with React and Redux for the frontend. Collaborated on AI-driven features for automated patient routing and predictive analytics, using Python for experimental models, and LLMs with LangChain to enhance intelligent decision-making and workflow automation. Developed RESTful APIs with Node.js and TypeScript, ensuring HIPAA compliance through AWS IAM, OAuth, and JWT for secure communication. Built health care data pipelines to ingest, transform, and normalize patient and clinical data using FHIR and HL7 standards, enabling secure interoperability across services and partner systems. Leveraged AWS S3 for secure file storage, AWS Lambda for event-driven workflows, and CloudWatc

Software Engineer at Airbnb

September 1, 2012 - February 28, 2018

Developed eCommerce functionality using Node.js backend and a React frontend, delivering a fluid and intuitive shopping experience. Designed responsive mobile interfaces and built secure RESTful APIs using Spring, enhancing mobile shopping capabilities and data management. Engineered scalable messaging systems with Redis and Apache Kafka, enabling real-time updates for millions of users with high reliability. Optimized internal processes with Node.js utilities, reducing backend processing time and operational overhead. Implemented AI-powered search algorithms and personalized recommendations using Elasticsearch, integrating experimental features developed in Python. Enhanced caching mechanisms using Node.js and Redis, boosting site uptime and performance during high-traffic periods. Led A/B testing with Optimizely and leveraged Google Analytics data, driving a 15% uplift in conversion rates through data-driven improvements.