Lead Developer for Next-gen DataStage Automation (IBM's latest cloud product).· Developed a Java Selenium-based web UI integration framework, creating Java objects for dynamic UI interactions. Implemented java automated scanning component to identify and fix Selenium elements identify modification problem.· Designed a Java-based scheduler for multi-scenario execution under limited resources. Automated report generation by parsing console logs, sorting results in Java, and storing daily results in PostgreSQL/Db2. Utilized stored procedures to query and compare results.· Implemented a C library to provide DataStage component consumers with C-based functionality.· Conducted performance testing and enhanced DataStage REST APIs using JMeter to ensure scalability and efficiency.

Lead Developer for IBM Watson Developer Cloud.· Set up Vscan Jenkins jobs integrated with ZAP to fix Docker image vulnerabilities. Enhanced security measures for OpenScale, ensuring compliance with organizational security policies. Evaluated OpenShift for OpenScale deployments.· Developed machine learning models using TensorFlow, Spark, and Scikit-learn (Python), and implemented blockchain solutions to secure healthcare data for ML models.· Created performance analysis tools for REST APIs, identifying bottlenecks and improving speed using YourKit Profiler (Java). Optimized cloud service performance for Natural Language Processing, Knowledge Graph, and Conversation services, reducing data loading times from days to hours and improving processing speeds from minutes to less than 1 second.

Lead Developer of Oracle Exalogic Team (7/2012-7/2015)· Used Python to build RPM, to setup and configure NIS, Ldap, and DNS for Oracle Exalogic Elastic Cloud system. Used Oracle GoldenGate methodology to evaluate Exalogic Virtual Server backup process. Built weblogic web java servlet to parse OSwatcher system data and display them. Enhanced OFED (Open Fabrics Enterprise Distribution) for JDBC SDP (Sockets Direct Protocol) that connects with Exadata Database in C.

· Worked on the OCS performance projects by using load balance, webcache, and web mid-tie layout. Provided the optimization solutions for OCS web product. Worked on the customers reported performance problems for OCS web server. Pinpointed and fixed the performance bottlenecks related to database connection pool, network connections, etc..· Enhanced OCS webmail controller. Implemented several Java action classes like list mails, view messages in NLS. Enhanced and managed JDBC database connection pool. Implemented server side rule for email. When some conditions (defined by end user) satisfied, Rule Engine would be triggered and stored procedure would be executed. Used Oracle Net library to enhance OCS SMTP in/out protocol by following rfc0821 in C. Implemented some SMTP commands. Enhanced autoreply, rule engine, insert/extract message into Oracle Database.

· Designed and Implemented wireless notification engine for OCS. Defined notification engine interface so that wireless notification could be used by OCS Calendar Service or Email Service. Implemented wireless SOAP service and provided WSDL file. When alert came from Calendar Service (for example, Schedule meeting), SOAP service would parse XML document and sent notification to right device based on person’s presence, Calendar alert event would be sent to right device. When alert came from Email service, message would be push to transport layer by using Oracle Advance Queue and wireless technology.· Implemented wireless installation and configuration tool in OCS and IAS by using Perl script.· Created wireless PIM (Personal Information Management) components (email, calendar) by use Jsp, XML, JavaBean and JavaMail API. Using Oracle’s wireless defined tags in JSP pages so that People could access those applications with web browser or PDA. (https://collabsuite-mobile.oracle.com/ptg/rm)· Enhanced and maintained Web-to-go framework. Implemented mobile applications go online and offline features. Using Replication API to synchronize data in Oracle8i Lite and Server Database. Automation of wireless application upgrade when detect new version of wireless application available on server side. The process will clean up client’s register and install new version of wireless application and restart it.