PROFESSIONAL SUMMARY:

• Solid background on enterprise Java technology in solution architecture, design and multi - tiered web application development
• Demonstrated skills in Java, JEE, RESTful applications, web services, and various frameworks (Spring, Hibernate, Hybris etc.)
• Strong experience in database design, application performance tuning, database object creation and PL/SQL package development
• Excellent communication skills with business analysis and project lead experience

TECHNICAL SKILLS:

Languages/Frameworks: Java, JEE design patterns, UML, Hibernate, Spring IOC, Spring MVC, Spring BOOT, Spring Integration, Spring Data, JSP, JSTL, custom tags, Servlets, MVC, Struts, tiles, JNDI, JDBC, JMS, RMI, XML, XSLT, SQL, query tuning, PL/SQL, stored procedures, triggers, packages, JavaScript, jQuery, AngularJS2, JSON, HTML, XHTML, DHTML, CSS, AJAX, Unix Shell Script, Single Sign On, Junit, Ant, JavaDoc, Xdoclet, Log4J, SOAP, SOA, Web Services, Micro Services, RESTful DynaTrace, 5.x, Splunk 5.x, Hybris 4.x, 5.x

Databases: RDBMS Oracle 11g/10g, DB2 8.x, MS SQL Server 8.x/7.x

Application and Integration Services: Websphere Application Server 7.x/8.x, BEA Weblogic Application Server 9.x/10.x, Oracle Application Server 10g, Sun Web Portal Server 5.x, Sun LDAP Server 5.x, Oracle LDAP Server (OID) 10g, Tomcat Servlet Container 6.x, Apache HTTP Server 2.x, Interwoven Content Management TeamSite 6.x, Verity Search Engine 5.x, Endeca 4.x, Akamai, Apache Solr 5.x

Development Tools: Eclipse 3.x, Rational Application Developer 7.x, WSAD 5.x, XMLSpy 2005, Oracle Developer 2000, Toad 8.5, Erwin 6.x, SQL*Plus 9.x, SQL*Loader 9.x, JProbe 6.0, PVCS 6.x, CVS 1.1x, InfoSphere DataStage v10.x/11.x

Platforms: Unix/SunOS 11/10, Linux/Red Hat 6.x/5.x, Windows 10/8/7/vista/XP

PROFESSIONAL EXPERIENCE:

Senior Application Architect/Developer (Consultant)

Confidential, CHICAGO IL

Responsibilities:

• In charge of providing enterprise solution for a password automation project involving different platforms/servers (WAS, WLS, Unix, Linux, AD/LDAP, Oracle, DB2, Mainframe)
• Designing and developing programs to automate the process of generating new password, updating user in various systems, and syncing up user credentials among all the systems and applications
• Introducing the newest Java technologies to the department, such as Java 8, Spring BOOT, Spring MVC, RESTful web services, SFTP framework, LDAP lib, etc.
• Participating in architecture reviews and coordinating with team members regarding integration strategies
• Writing high level architecture and detailed physical design documentation; designing test cases

Senior Consultant

Confidential, CHICAGO IL

Responsibilities:

• Participated in architecting and developing eCommerce site using enterprise Java technologies, including OO Design, Hybris platform, Spring MVC, Hibernate, RESTful applications, AJAX and integration with SAP CRM, ordering system, etc.
• Designed and developed various modules from site navigation, product/catalog search, personal/inventory list management, to checkout processes
• Leveraged Hybris and Spring modules to enhance a sophisticated user management process, including authentication/authorization, user types and third party user migration
• Designed and developed data load jobs importing data to Hybris Oracle databases from various SAP systems on a regular or demand basis

Senior Application Architect/Developer (Consultant)

Confidential, CHICAGO IL

Responsibilities:

• Architected and developed web services using enterprise Java in the Solution Architecture Team to support company’s risk and performance analysis and reporting applications. Various design patterns were used in the architecture framework
• Developed new features for Attribution Engine to process daily and monthly mutual fund data, including rate of returns, hedging effects, etc, involving heavy XML data processing using XMLBeans and JAXP technology
• Worked on new web services to provide benchmark overall performance calculation and holdings calculation. Sophisticated formula and logics were implemented and complex test cases were developed
• Developed complex, flexible and powerful logging system for financial applications to logging and tracking service/data requests, responses and changes
• Communicated with business partners to come up with web service contract design in XML, provided user friendly and flexible service contracts

Senior Consultant/Software Engineer

Confidential, CHICAGO IL

Responsibilities:

• Provided solutions to support government surveys. Business Rule Engine, Fusion Survey DB, Data warehouse and Java web applications were the major technical components
• Developed data persistent layer using Hibernate. Designed database tables and data relationship based on business requirements
• Developed generic web module for questionnaire presentation based on documentation type and disposition value

Application Development Lead (Consultant)

Confidential, CHICAGO IL

Responsibilities:

• Architected and designed enterprise application for distributed entry and open enrollment that streamed line enrollment of new members and renewal of existing groups
• Designed and implemented web services. Apache Axis was used as web service engine. Castor XML was used to marshal Java objects to and from XML
• Lead development of Secure Producer Portal application for brokers and agents
• Designed user manageable site contents. Metadata and content data was persisted to database through Interwoven Teamsite. Integrated with WebTrends to get statistic data

Senior Technical Architect/Developer (Consultant)

Confidential, DEERFIELD IL

Responsibilities:

• Directed functional design and technical architecture of a fully HIPPA complied and FDA validated web system that manages clinics and Confidential ts
• Researched and recommended technologies and frameworks (Struts, EJB, Spring, AJAX, etc) to the development team
• Architected and developed ecommerce user/application administration system. Designed and created authentication and authorization framework and its database schema

Senior Application Developer/Project Lead (Consultant)

Confidential, Chicago IL

Responsibilities:

• Architected and developed websites featured complete business domain manageable site contents, including menus, categories and subjects. Metadata/data was persisted to database through Teamsite by calling Hibernate API. Customized polls, surveys, chats, forums and search per business domain requirements using Verity search engine
• Directed authentication and authorization design using a single sign on framework and featuring group within group accessibility
• Developed online election tools and coding clinic database applications