Founding backend engineer on the Rex Engine "sailboat'* Product & engineering vision* Lay the foundation for the entire product to support multiple pivots* Programming Paradigm* DevOps & Dev Infra* Data Modeling* Search Infrastructure* Authentication* Payments* Messaging* Notifications

Lead listings foundation team which owns and evolves backend services, frameworks, primary and secondary storage for all Airbnb listings.

Lead Airbnb Experiences Host Tools team which owns and evolves Host Dashboard, Calendar, Inbox/Messaging, Co-hosting, Stats/Insights and Zoom API Integrations.

- Create handy tools in product for Airbnb hosts- Architect core foundations for Airbnb Experiences- Recently launched Airbnb Online Experiences

- Founding engineer in Airbnb Restaurants team- New Airbnb product vertical end-to-end on Airbnb foundations and subsystems- Search backend for Places and Restaurants (Hive, Spark, Elasticsearch)- Generic product catalog backend for Airbnb to potentially serve various business types, e.g. restaurants, places, car rentals, flights, etc.- All subsystems including third-party API integration, reservation & payments, messaging & notifications

- Founding engineer in Airbnb Experiences team- React web app for Airbnb hosts to onboard and manage their experiences- ReactNative mobile app for Airbnb hosts to manage their experiences- Backend foundation for Airbnb Experiences

- Architect Airbnb messaging backend to support group chat and various product lines- Architect Airbnb Co-hosting feature for Homes- Architect Airbnb API Developer Platform

Team: Voldemort, Distributed Data Systems, Data InfrastructureProjects: Database Performance; Storage Engine; Distributed Key-Value Storage for Derived Data; Distributed Systems Deploymenthttp://www.project-voldemort.comhttps://github.com/cshaxu/voldemort

Team: In-Memory Columnar (IMC), Oracle RDBMS Data LayerProjects: SQL Syntax Parser; High Performance Kernelhttp://www.oracle.com/us/corporate/features/database-in-memory-option/index.html

Computational Materials Science- Developed numerical fitting algorithms for alloy potentials- Simulation with High Performance Computinghttp://www.cmse.mse.gatech.edu

Computational Materials Science: designed and implemented molecular dynamics simulator and investigated generalized stacking fault energieshttp://lmms.sjtu.edu.cn