•Designed and implemented the core Python module to support migration of thousands of database clusters from VM-based cloud platform to Kubernetes environment
•Built a fault-tolerant and configurable workflow system which can manipulate strategic node assignment, task scheduling, asynchronous processing, cluster status monitoring and database auto-healing
•Redesigned and built the monitoring and debugging system for eBay’s next generation database, which reduces the bug-shooting time by 75%
•Provided real-time monitoring/debugging matrixes, database health visualization using Express, Node.js and React
•Designed and implemented a new version of UI for database management system with Vue (JavaScript), and accomplished a robust, user-friendly and status trackable system
•Improved the code coverage of legacy system from 16.72% to 81.92% by involving regression test with PyUnit, which also established a baseline for all the future developments