Amazon Fresh business internationalization expansion, including internationalize order detail page to enable multiple language support and onboard business accounting for multiple countries;

Improve charging functionality by working on a few service level areas: 1) enabling over authorization in JP marketplace, 2) implementing order modification restriction to disallow purchase document change upon order fulfillment, 3) creating dashboard for pending orders monitoring;

Write integration tests, maintain DJS jobs and pipeline, make tools that reduce operation load (tampermonkey script etc);

Develop a search campaign bid management tool to help the real time bidding on Google and Bing for our clients;

Perform various eCommerce related data analysis, including website traffic, search, sales and market insights data, create visualizations and build dashboard;

Implement machine learning algorithm to improve the data gathering process;

Calculate and validate cars' average market price with linear regression in R and work with software engineers to deploy the model to production;

Graphene sample characterization using Raman spectroscopy, ellipsometer, various force microscopy and XPS;

Graphene growth using controlled sublimation method;

Nanostructure fabrication using electron beam lithography and photo lithography;

Transport measurement using four probe system and lock in amplifier.

2012–2013 , Teach modern physics lab on python modeling for electromagnetic interaction..

2013–2013 , Teach introductory physics lab on Newtonian Mechanics..

2013–2014 , Teach optics lab and grade for atomic physics..