- Developed www.moviEharmony.com in 4 weeks, a data platform that uses cross-product review information from Amazon to find harmonic movies that 2 people may like to watch together- Ingested data with Kafka, saved raw data to S3, batch processed data with Spark, trained als based collaborative filtering model, stored data in Cassandra, built front end with Flask, Bootstrap and JavaScript

- Created the OptumRx alternative drug recommendation system, a data platform recommends the most appropriate alternative drugs for target drug based on complex clinical and economic metrics- Created the Retrospective Drug Utilization Review system with sas/it, a data platform that processes claims data in batch, identifies patients with potential drug utilization issues, performs intervention with mail, fax and text messaging, evaluates different intervention strategy, analyzes outcome and calculates ROI

- Led the SAS Business Intelligence team to develop reports, graphs and dashboards. Designed, developed and maintained Clinical Data Mart and related ETL process