Senior Frontend Developer
Beijing City, China
I worked in Wandou Labs as a senior engineer, mainly focused on front-end development, including data visualisation and BI systems. - Core developer of WanDouJia client, which is the most important product of Wandou Labs(DAU ups in millions). And Limbo system which enables users to manage their mobile phones via web browser. The tech stack includes AngularJS, RequireJS, Grunt, Bower, WebSocket etc. - Built data visualisation system(Royals) from scratch, it provides data component embedding for all departments. Royals worked with D3, ReactJS, ExpressJS and run in NodeJS, so that it can render data in server client for improving the user experience. - Built realtime user behaviour statistics system base on Marmot, Apache Flume and Apache Spark Streaming. - Cooperated with the data mining team on building the company wide BI system(Muce), to support daily data analysis, reporting and core indicator monitoring. - Built short video App (Eyepetizer) as a beginner of Android developer, which had been successfully split out from WanDou Labs. - Won the 2nd place in 2011 Hack-day, the project 'Business Helper’ which is an automatic data analysis tool, could save 80% of the BD’s time.