USDS Ads team

Brand ads

• Lead and innovate on Brand Safety product and team

• Drive and deliver Brand Auction ads product, such as target frequency, consideration ads.

Ad Marketplace team

• Designed and implemented better algorithm for traffic curve forecasting for ads which improve accuracy leading to 1% revenue increase

AR business / Camera Business

• founded Snap AR Business platform E2E, grow it from 0 to avg 2.7M DAU and 1.5m in quarterly revenue. Lead and grow the team from 3 to 45 engs. Enabling shopping lens in both on and off platform with multiple verticals such as lens carousel, dress up tab in lens explorer and web SDK.

1. Contributed to architecture design and implementation of Dynamic Ads Insertion (DAI) for

Live stream using Java and Kinesis

2. Containerized core ad server and migrated it to AWS via Docker, Terraform and AWS ECS.

3. Refactored and enhanced beacon pipeline and reporting on total ad inventory using Java

and Hadoop/Presto.

4. Designed and implemented front end and back end API service to control ads load using React/Redux for frontend and GO programming language for backend.

5. Maintained and fortified ad server written in Java and Thrift protocol

6. Enhanced legacy tools to enable ads sales team and ads operation team for better ad order

management and ad trafficking using Ruby on Rails, Python and Angular.

• Patient Registry Web Activity

o Designed the responsive interface for physicians to efficiently classify and track the

patients based on HTML/CSS and JavaScript

o Developed the real-time web activity and enforced two-side data validation based on

MVVM framework and C#/.Net technology

• Constellation Project – Provider Attribution

o Built a new tool to attribute physicians to patients which translates patient data from SQL database to No-SQL database

o Designed and automated both unit tests and black-box tests using Caché.