Winton W.

Refactored and Redesigned the backend of the online piano education, Finally the system was delivered in three months. As the senior engineer try to find the bottleneck of the system and optimize the SQL query speed. Provide a scenario of the Blue-Green Deployment based on AWS Cloud.

Try to optimize the processes release of the program, I developed an automatic continuous bot to release the product as a Slack Bot, help to improve the flow of the daily build. Extra: 1. Infrastructure as code, set up AWS Cloudformation to deploy AWS ECS, AWS Lambda etc. 2. Optimize VPC network, focus on the security of the server. 3. Optimize the architecture of the services, separated part of services into AWS Lambda, reduce consumption on the server. 4. Developed office document to pdf service that integrated with Office COM Module. The service has been done 50,000 60,000 documents transformation. 6. Developed image denoising tool with Node OpenCV, in order to reduce noise points in Chinese Calligraphy Images.