Lily Wei

Senior Software Engineer

SAP•  December 2005 - Present

• Tackle cross-team issues with timely matter and port SAP Business Suite to ASE in 14 months instead of usual two to two and a half years • Lead to pinpoint the problem regarding bottleneck issues and collaborate with various groups to fix the problem in application level and database level for the full stack. • Optimize and improve performance across the board for the SAP applications. Work on reducing API response payload and optimizing query processing algorithm. • Automate all the installation/upgrade for DT on Linux/PPC for HANA 12, SP02, SP03 and SP04. • Create Grafana graphs with complex queries, scrips, with database from HANA, InfluxDB for HANA management. We use Git and Jira for version control and report issues. • Ensured HANA Code quality without memory leak and infinite loop and other P1/P2/P3 issues with Coverity/Fortify security scan tool by developing python tool. • Used cloud environment to build data integration data center to generate data which provide a quality view to ensure HANA quality with Grafana on AWS, GCP • Created Hydroponic with HANA project combine HANA Streaming product and IoT technology and implementing the feature. • Developing Java application that talks to various data sources and perform storage management using Spark Project – MaxDB Federator Project • Designed and implemented high volume data processing using SAP CRM, JAVA, J2SE, Servlets from kernel to data agent by deploying the web service application using MaxDB as the database, iBATIS as the persistence layer, and WebLogic as the J2EE server for multi-tiered, highly scalable products. • Designed and implemented DDL, global catalog cache, and session catalog cache for MaxDB federator feature to increase concurrency. • Work with Business suite in ERP, CRM, SRM – create a roadmap with the Product Manager group, Program manager group, and documentation group. • Architect and implemented RTI layer to connect to Oracle, Sybase, and SQL Server for Callixa product and SAP Portal product.