* Create an API platform for Windchill PLM system, accelerate the development progress with other systems (Java, Spring Boot, RabbitMQ, MongoDB).* Change daily routine jobs to automatic workflow with OA system, reducing about 66 hours of manual work a month.* Participate in PLM projects and provide solutions that can be solved by API platform.* Establish API platform CI/CD workflow with Jenkins and Git.* Establish Jira Kanban to manage issues with the PLM team.

* Understanding CRM flow, design and implement CRM System (Java Spring Boot framework).* Aliyun / AWS services implement* Gitlab CI/CD with Docker/Kubernetes* Monitor applications with Prometheus and Grafana

* Migrated "104 Pro" from Java version to Node.js and transferred server from IDC to AWS services.* Extensively worked using AWS services along with wide and understanding of each one of them.* Design and implementation of "104 Pro - Salary Survey".* Lead 8-10 members* Coordinate internal resources and interdepartmental communication.* Determine operational feasibility by evaluating analysis, problem definition, requirements, solution development, and proposed solutions.* Remain cool and effective in a crisis.* Project management with Scrum and Kanban.* Grow engineering teams by interviewing, recruiting and hiring.* Provides encouragement to team members, including communicating team goals and identifying areas for new training or skill checks Assists management with hiring processes and new team member training

* HomiCloud - a friendly NAS system. Design and implementation of HomiCloud web server on the embedded system with J2ME , SSH Framework, HTML5, CSS3, and JavaScript. Using Apache Lucene to accelerate the searching process.* Survey and implement java libraries to resolve problems on the embedded system.Implement API services.* Construct a web server on ARM (with Java and Python).* Design UI with HTML5, CSS3 and JavaScript.* Service for indexing, making thumbnails and id3 tag.* Integrate with Linux OS and mobile devices applications.

* Web system analysis and design with Web 2.0 framework, such as CSR system.* Training new staffs.* B2B Implementation with customers and suppliers included different kinds of EDI formats.Developed SAP function modules for B2B (ABAP) - Integrating SAP and non-SAP.