Data query develop and refinement using BigQuery Data visualization for mobile data using Tableau, Python Data collecting server refinement and maintenance using Java and Python A news prediction system - A system which predicts what news that user might be interested in News crawler develop with Python Data storage and handle with Hadoop News collecting server develop with Node.js, maintenance and refinement on AWS Skills Advanced Java Python Docker MongoDB Git Linux Chinese, English Moderate Node.js Jenkins AWS SQL Scala Ruby on Rails React.js Typescript Basic CSS Next.js Hadoop Big query Japanese, Korean