Redesigned and re-implemented legacy system on a new full-stack platform.Designed cloud-based architecture to transform on-premise application to SAAS model.Shaped and directed software engineering and development.

Designed and implemented next generation application platform, with metadata-driven authorization layer and highly flexible schema.Improved and extended functionality of flagship product to automate Oracle E-Business patching.

Application development: work with developers in the areas of database design, SQL tuning and data modelling.Principal Oracle Application 11i administration for both DB backend and APPS frontend tiers. Consultant to junior DBAs for APPS administration. Provide Configuration Management services to project managers.Design consulting with strong focus in predicting future requirements, developed and presented SQL tuning workshop, and presented data partitioning workshop.

Extended the lifetime of the Intuit's ProTax Professional Tax Product web service.Improved internal call routing and access to the knowledge base f the ProTax Customer Service System.

Database Architect and principal Database Administrator for Internet, Wireless and Voice portal service database. As the architect, designed a scalable distributed database model to handle Wireless services for millions of users. Designed the API between the XML, WAP, WEB and Voice Portal Application Servers and the database.

Senior Database Administrator for major production systems in 7 by 24 environment. Systems included Customer Service, Human Resources, Financials and Asset Management.