Working on eBay Fulfillment Program

Lead the Core Data Platform. Move TCB on-prem data to Cloud Data Lake.

Led the Shipping Science PD team.

Led the Delivery Experience team.

- Worked in Core Shipping team & Shipping Science team.- Launched EBay Now, BOPIS & EBayPlus.

• Worked on the Multipass-Linux Credential Distributed System, the secure and scalable system to distribute permissions, password hashes, public keys and other credential materials to ALL machines in Amazon, including Retaillers machines and AWS (Amazon Web Service) machines. - Reduced the permission change propagation time from 5 hours to 15 minutes. - Provided a scale system to support clients running in millions machines. - Enforced security by authenticating client, implementing TLS connections & shipping right credentials to the corresponding hosts.• Worked on the PermissionTools and Access Service, the systems to control access for tens thousands users and millions resources in Amazon.

• Teach the courses: Internet Technology, Operating System & Distributed System.• Do research about Internet Services; Distributed System & System Security in the Panic Lab, CS Department, Rutgers University.

Participated in the project CHART, a coordinated project of HP, Sparta and Cigital, at the HP Security Lab, Princeton, New Jersey.• Designed the security architecture for the TIA 1039 Flow-state Aware Router protocol, which supports Quality-of-Service (QoS) and improves utilization enhancements to standard TCP.• Implemented the security prototype using the Click Modular Router.• Evaluated and validated experimentally the design and the prototype on Emulab.

• Teach the courses: Internet Technology & Network Programming.• Manage network systems to support teaching and researching in the faculty.

• Designed and developed E-Commerce projects for customers using PHP, JSP, EJB, Oracle and MySQL server.• Deployed and managed E-Commerce Web sites on 3-tier architecture to provide web services with high availability and scalability.

• Built and managed the Vietnamese ISP network to connect the Global Internet. (It was the first Vietnamese network that connected to the Global Internet).• Built the dial-up system and necessary services for Internet customers.• Developed the Billing System for Internet service.