●Built a DevOps team. Trained and led a team of 5 people for over 3 years●Defined the hiring criteria and recruited 5 members of frontend developers and backend developers●Taken part in the funding discussion with VC investors and present tech solutions and company’s business plan●Decided the company’s mission and vision and supervised the ways to the goals in different stages●Consulted and applied Agile strategy and OKR in the company●Coordinated and clarified the tech details with stakeholders, including product manager, team members, frontend developers, and designers, to define brand new products and new features●Experienced with Kubernetes arch and component, having excellent knowledge in scale cluster operation and maintenance with 20+ servers●Strong domain knowledge and practice in automating Continuous Integration (CI) and Continuous Deployment (CD) by using Drone, Jenkins and JMeter●Designed operational workflow for maintenance by Shell Script●Conducted in deploying, operating, monitoring, optimizing and troubleshooting over 9,000+ users scale infrastructure●Established service on Google Cloud Platform (GCP), including CloudSQL, Kubernetes, and GCE●Evaluated and maintained test environment, and ran it automatically by using Kernel-based Virtual Machine (KVM)●Developed API for frontend developers with Spring Framework●Experienced in production server and MySQL and NoSQL database hosting and maintenance●Familiar with Kubernetes network model and disaster recoveryGenerated and analyzed user growth data to the marketing team

●Developed 3 websites for about 200 sales with Spring Framework, JavaScript●Deployed and maintained website services on 2 servers by using WebLogicCreated and managed database based on Oracle database

●Built 5 websites for around 3,000 end users with ASP.NET and JavaScript●Deployed website services by using Internet Information Services(IIS)●Operated database with Microsoft SQL ServerProgrammed crawling and scraping web pages for internal information with C#