Weijing "Jay" Lin is a Software Engineer in San Francisco. He got involved with many projects across different industries and countries, including but not limited to Xero fintech SaaS Expense system, Huawei AI Robot, Facebook Machine Learning, TRS CMS (Content Management System), DA (Data Analysis) and big data mining, E-Commerce Magento, WordPress and Drupal CMS, Tencent Discuz forum social media and etc.