Building the customer messaging platform: subscriptions, contact-data quality and delivery across email, SMS, push and mail (80M+ messages a day)

Built a recruiting platform from 0 to 400+ students and 500+ jobs; led a team of 3 devs

Building architecture that runs ML pipelines

Building GraphQL APIs for IBM's cloud security platform

Full-stack development for internal financial tools

Implementing and experimenting with the Black-Litterman model