SUMMARY

• Extensive integration experience bridging and connecting different backend and legacy systems using state of the art Oracle Fusion Middleware and MuleSoft
• Experience in using object oriented languages, business intelligence system with multi - threading approaches to develop enterprise-level applications.
• Obtain in-depth knowledge in expert system, information retrieval, J2SE/J2EE programming, relational database design/development
• Rapidly identify and resolve complex issues within sophisticated server and network environments.
• Evaluate data systems to meet complex user requirements and create innovative solutions.

TECHNICAL SKILLS

• Java Concurrency, EJB3, WEB SERVICE, JMS, JAVA PERSISTENCE, HIBERNATE, JAXB, JAXP, STAX, SAAJ/XML, JAVA SECURITY, TRANSACTION MANAGEMENT, PL/SQL, LUCENE, JESS, ANT, MAVEN
• Oracle, SQL Server, Access, OpenBase, FileMaker, SGI Mine Set, SAS Enterprise Miner
• Weblogic, JBoss, Sun Application Server, Tomcat, Apache HTTP Server

PROFESSIONAL EXPERIENCE

Confidential

Principal Integration Architect

Responsibilities:

• Design and implement MedicAlert Drupal components information exchange schemas to interact with external systems
• Design and implement asynchronous message driven and token based MuleSoft cloud based architecture to provision accounts/contacts/member information, orders/promotions, payments, health data/personal identifying info to corresponding SalesForce objects with comprehensive exception handling and compensation logics to prevent data corruption
• Design and implement MuleSoft cloud based architecture to provision person, sales order, payment, health data etc… from Salesforce CRM to Oracle NetSuite asynchronously with comprehensive exception handling and compensation logics to prevent data corruption
• Design and implement MuleSoft middleware logics to provision various updates such as product updates, order status updates, tracking information updates, inventory updates, customer balance updates from Netsuite event queues to Salesforce asynchronously and handling exception and compensation logics intelligently
• Implement Salesforce APEX, Web Service for external invocation
• Implement & configure Salesforce objects, fields, access rules, security, workflow rules, triggers, outbound messages, profiles for integration purpose
• Implement Java base application which utilize NetSuite SuiteTalk API to access order information to laser engrave emblems
• Setup and configure middleware environments including MQ, reconnection strategies, runtime, api & access management
• Utilized Oracle Fusion middleware Metadata Service to manage shared resources across SOA applications
• Maintained and enhanced OSB & SOA projects to provision contacts, orders, payments, order fulfillment information from Siebel CRM to oracle EBS
• Analyzed Drupal ecommerce input and utilized OSB & SOA to provision contacts, members, orders, payments, accounts, service requests, activities, addresses from Drupal to Siebel CRM asynchronously and handling exception and compensation logics intelligently
• Developed OSB and SOA projects to extract information from correspondences OCR and create contacts, orders, payments, service requests, activities in Siebel CRM and handling exception and compensation logics intelligently
• Developed OSB and SOA projects to provision partner AARP’s member into MedicAlert’s Siebel CRM
• Customized EBS order header workflow and order line workflow which interacts with SOA and Siebel for simplified financial solution
• Retrofitted and rewrote all manufacturing software from various obsolete languages to java, gwt, spring applications. Allow manufacturing department to do variable data printing using apache fop; emblems engraving using Prolase laser engraver; membership card printing with DataCard and order fulfillments
• Performed various weblogic server admin tasks including patching, upgrading, and using of weblogic server scripting language; Setup and configure metadata layer service, various adapters, deployment and sub-deployment plan, JMS modules, AQ to JMS bridging, web services, data sources, security etc.

Confidential

Senior Software Engineer

Responsibilities:

• Developing a backend system to support Safeway Inc. over 300 gift cards online transactions using cxf framework, rest service, java and .net.
• Apply control to Web and SOA applications by enforcing policies over traffic on the network. Filtering malicious sql, dtd, relay attacks, enable xml validation and threat-scanning, allowing applications to be deployed in safety and confidence.
• Application is using signature calculation symmetric key encryption; using Ingrian to do the data encryption and decryption; using cyber source to authorize/capture/refund credit card transaction; using profanity service to filter out the unwanted languages. Also setup and running fortify to ensure the safety of the code and etc.
• Use many other services and open source projects.

Confidential

Senior Java Developer

Responsibilities:

• Using java concurrency package and have deep understanding on design patterns on semaphores, latches, barriers, blocking queue, lock, condition, memory visibility, check then act and other thread liveness issues.
• Using information retrieval tool and have deep understanding on its scoring algorithm concept such as tf, idf, length norm, term vector and boosting.
• Implemented storage redundancy topology and disaster recovery site using cloud storage platform such as Amazon, Window Azure, Nirvanix and Rackspace.
• Following skills are used daily during project implementation - Maven, Subversion, rules engine, Database/LDAP Security, JXTA/peer-to-peer protocol, CRYPOTOGRAPHY/BouncyCastle, Object-relational mapping/persistence, ACTIVE MQ, Lucene, Quartz, Daemon/Procrun/Jsvc, Linux/Unix/putty, Multicasting, Struts/Tags/Tiles,, JAXP/JAXB/SAAJ/XSLT, WebDAV, Checksum/Message Digester/Digital Signature etc.
• Business intelligence implementation: