SUMMARY:

• 10+ years’ IT experience of successful delivery of scalable and mission - critical IT applications with innovative and tailored solutions to meet ever-changing business requirements within diverse industries (bank, telecom, credit card processing, supply chain, online retail, etc).
• Proven records of full life-cycle software development specialized in OOAD and JEE/JAVA.
• Broad and in-depth expertise throughout IT deliverable lifecycle, including requirement analysis, design, prototyping, implementation, testing, debugging, release, infrastructure, and L3 support.
• Highly dedicated and strongly technical individual contributor, good team player, with strong inter-personal and communication skills.

TECHNICAL SKILLS:

Programming : J2EE/JAVA, Google API (Guava), JMS, Servlet, JSP, XML, SQL, PL/SQL, JSTL, HTML, JavaScript/CSS, JQuery, AJAX, AngularJS, Shell Script, Win Script

Framework: Spring Core, Spring MVC, Spring REST Web Service, Spring JDBC, Spring AOP, spring-instrument, Spring-security, Aspectj, Hibernate, Mybatis, JTA, JSON, GWT, JSF, Struts 2, Struts Tile, Log4j/Slf4j, Drools, Mockito, Junit, SOA, EJB 3, Selenium, JBehave, knowledge in Play 2 for Java, Akka

Build Tools: Maven, ant

MQ & Scheduler: IBM Websphere MQ (MQSeries), Quartz

Database: Oracle 11g, MySql, MS Access

Database tools: Oracle Sql Developer, Toad for Oracle, SqlPlus

App Server: Tomcat, IBM Websphere Application Server (WAS), Weblogic

Big Data Management Tools: Terracotta

Reporting Tools: Birt (Actuate), Jasper Report

IDE: Eclipse, IntelliJ, NetBeans, RAD

Version Control: SVN, TortoiseSVN, clearcase

Other Tools: Jenkins, Dynatrace, Putty, Geneos, Fiddler, WinSCP, SoapUI, VisionApp Remote Desktop, JavaDecompiler, WinMerge, Beyond compare, XML marker, Notepad++, Editplus, Photoshop, WIKI, JIRA, Mingle, Bugzilla, MS Office Suite

PROFESSIONAL EXPERIENCE:

Confidential, Dallas TX

Application Developer

Responsibilities:

• At GCE, developed multiple functional stories and wrote solid system integration test cases as a good pair programming player as well as an independent hard work developer. Those stories are across multiple functionalities like UI, cache manager, quartz job, core engine, and MQ messaging system; Be a JBehave developer to program Jbehave as well as functional story creation; Be a SQL developer to generate multiple complex oracle reports for management; Leading effort on new data center set up project; Major contributor to product migration project to successfully on board all the major SCM sub products SLE/TPR apart from traditional PFCM.
• Gained rich experience of agile development methodology, such as Scrum or XP. And be very comfortable with agile development practices.
• At EDA, being leading effort to successfully implement EDA Oracle Partition, and EDA Oracle Archive that greatly improve performance.
• Being leading effort on EDA-VPR web service framework implementation, called EDARestVPRRpt, using spring REST web service. Will enrich EDA-VPR framework, in the meanwhile, this framework will be used by NEWTON team.
• One of the major contributors to EDA Data migration projects. Migration includes Sybase to Oracle, and Oracle to Oracle.
• Being leading effort to successfully improve and deploy a AOP based App called EDAStatsCollect on Linux layer using Spring AOP, Spring Instrument, and AsPectJ to instrument the volume of type of transactions between client and WINs. This app is becoming the major tool of EDA PERF scalability testing.
• Implemented EDA-KPI (Key Performance Indicator) framework to auto-made the process of sending data feed to KPI through file mover.
• Implemented a java app EDAIOEngine using Java Currency to help download logs across the board from windows layer. It used to take a whole day to download production logs, but it only takes couple of mins now.
• Implemented a DB Stored Procedure Call framework by Java, Stored Procedure and maven. That makes a DB call by a generic way. Furthermore, implemented other couple of utilities by Java/Java script/Html.

Sr. Software Developer

Responsibilities:

• Designed and implemented Billing Messaging Engine using MDB, standard JMS, and IBM MQ APIs, and enhanced IBM JMS APIs.
• Designed and implemented DDC Scheduling system using IBM Websphere scheduler to arrange and trigger billing and order related tasks.
• Designed and implemented DDC SFTP center to send SFTP files to billing and quality control departments using JSCH APIs.
• Implemented SSL functionalities on Websphere WAS.
• Helped set up Multiple Instance High Availability MIHA (Virtual Cluster) on MQ side.
• Participated design and development for a web based application named Core Reporting Portal UI using JSP.
• Participated many other business modules’ implementation including UserAccount, OrderManagement, WorkOrder, WorkFlow, WorkManagement, and OpenOrder using EJB 3/Java/JDBC.
• Implemented a web application called “AnalyzerGui” using JSF, RichFaces, PrimeFaces, Ajax4jsf, ImChart etc.
• Developed a daily batch application named HibernateAnalyzer to transform and transfer large data set (> 20K) across two databases and multiple schemas by using hibernate.

Software Engineer.

Responsibilities:

• Developed a J2EE web application named “BOARDING” for end-users to process, manage, and administer corporate and master merchant accounts. Migrated technology from traditional JSP/JDBC to Spring and Hibernate framework; implemented front end GUI with AJAX and STRUTS TILE framework.
• Implemented a web service application named “BOARDING-API” to facilitate business partners to integrate their systems with JetPay’s Account Management and Administration Service over VPN (Virtual Private Network), migrated traditional SOAP technology to Spring Web Service (Spring-WS).
• Redesigned DB schema which clearly and accurately defined all the entity relationships. Created the entire history tables; enabled “CORE” DB schema to archive all the history data; designed and implemented all the views, sequences, and packages. Developed SQL scripts to dynamically update all the triggers upon DB schema changes instead of prior manual approach.

Software Engineer

Responsibilities:

• Created Supply Chain Workbenches with functionalities of supplier, promotion, collaborative engine, bookmark, forecast, plan, purchase order, and pricing.
• Created business reports and charts by injecting highly complex SQL queries into ACTUATE Professional Designer; deployed reports to ACTUATE Server, and integrated them into the supply chain applications via XML and JSP.
• Generated Jasper Reports with Jasper Ireport Layout Designer, and integrated those reports into the supply chain applications via Java and JSP.
• Tuned SQL queries, which significantly reduced SQL statements execution time from 30 minutes to less than 3 minutes.
• Published technical training documents with WIKI, performed debugging, and executed task management with JIRA.

Internship

Responsibilities:

• Implemented a web based project for an internal training application using HTML, JavaScript, Java, and SQL;
• Assisted Director in project management using Microsoft Office suite including MS project, MS Access, and other MS Office Suite.