Reservation and Line-up system, a web-based system for shop owners to manage reservations and for customers to make reservations and line up. 1. Developed and designed the system using the Ruby on Rails framework. - Implemented RESTful API interface to communication between different system components. - Designed and optimized algorithms to improve the efficiency and accuracy of the reservation and line-up functionalities. - Integrated third-party APIs, including: AWS SES for email notification. AWS SNS for email status tracking. SMS for reservation and line-up notification. Payment service. URL shortener. - Utilized Websocket to enable web page synchronization to enhance user experience. 2. Maintained and enhanced the system. - Collaborated with team members to deploy the system on the Google Kubernetes Platform, addressing the following challenges: i. Implemented auto-scaling capabilities to handle increased resource usage when the system approaches its threshold. ii. Isolated different functional modules within the system, minimizing the impact of individual components.

The FiXo project, a Foxconn OpenStack private cloud solution. 1. Developed and maintained the Foxconn cloud platform, ensuring its operation and resolving customer-reported issues. - Developed cluster maintenance utilities, such as storage scale-out and cluster metric information, to enhance the functionality and scalability of the cloud platform. - Collaborated with DevOps team to troubleshoot and resolve the issues of the cloud platform. - Maintained Foxconn cloud platform and solve customers issues. 2. Designed and implemented customer projects within the Foxconn cloud platform. - Developed the utility for DevOps to collect VM metrics from OpenStack, enabling effective monitoring and optimization of virtual machine performance. - Enhanced the customized VM image building process. - Provided coaching and assistance to customers in migrating their virtual machines from other platform to the Foxconn cloud platform.

ArkFlex U, a scale-out storage solution. 1. Implemented data deduplication feature for the system. - Developed Restful management API using the Django framework. - Created utilities for disaster recovery in the event of deduplication server crashes, ensuring data integrity and reliability. - Designed and implemented validation procedures for the deduplication module and utilities to ensure accurate and efficient deduplication functionality. 2. Maintained ArkFlex U and resolved customer issues. - Collaborated with FAE to reproduce and identify the root cause of customer issues.

Swordfish, a Hyper converged system integrating OpenStack with distributed storage solution Ceph. 1. Developed middleware Restful API for the system using Django framework. - Deployed and configured the distributed storage solution, ensuring seamless integration. 2. Feasibility survey and function validation for the system. - Performed surveys of backend storage architecture and validated the design to meet performance and scalability goals. - Conducted functional validation of the designed system, ensuring proper functionality. - Designed and executed stress test plans to assess system performance.