Technical Skill Summary

Summary

• A Sun Certfied Java Programmer / Oracle Certified Professional with over 10 years of experience in full life-cycle of software development process including requirement analysis, design, coding, testing, debugging and maintenance.

• Extensive knowledge and experience in developing JAVA based applications using Core JAVA, Collections API, J2EE, JDBC, Servlets, JSP, HTML, JavaScript, Wicket, XML, JSON, AJAX,REST, Node.js, TagLibs
• Strong experience in Java, JSF, JSP 3.0, Servlet 3.0, JMS, Spring 3.0 , Struts 2.0, Hibernate 3.0. Grails
• Working experience with J2EE application servers such as Web logic Application Server, WebSphere Application Server and JBoss.
• Good Object Oriented Design and Graphic UI Design of Business Modules using UML, Use Cases, Sequence Diagrams.
• Good knowledge of Database design and development that involves Relational database schema, Normalization of tables. Oracle /MSSQL/DB2/Sybase SQL query based programming and PL/SQL procedure programming, PostgreSQL
• Extensively experienced in Middle Tier Development using Servlets, EJBs, Spring, Struts, Hibernate.
• Expert level Java skill and very good Object-Oriented Programming and Aspect-Oriented Programming.
• Experience of using ANT and Maven tools to build and deploying of applications.
• Good knowledge of Version Control clients CVS and SVN, TFS, Jenkins, Maven
• Experience in solving client issues and production issues resolution.
• Unix /shell scripting/Perl/batch job/ control-M, ETL, Hadoop
• Experience on Analytics and management solutions for Cloud services and APIs Apigee , Active MQ
• Experience on Google Web Toolkit GWT
• Caching mechanism : EHcache, Gemfire distributed caching

TECHNICAL SKILLS

Languages: Java/j2ee, JavaScript, JSP,Php, Cobol, SQL, PLSQL, PostgreSQL

UI Scripting Languages: JavaScript, jQuery, JSF, Prototype, JSON , Node.js

J2SE Technologies: Core Java, Collections, Threads, Java beans, JDBC

JSP 3.0, JSF, Servlets 3.0, JDBC,

Web Technologies: XML, HTML 5, DHTML, DOM, CSS 3

Database: Oracle, DB2, MySQL, NoSQL, Cassandra, MongoDB, MSSQL, SYBASE

Frameworks: Spring, Struts 2, Struts, ORMs Hibernate, iBATIS , JSF,

IBM Mainframe, MVC Framework, Grails

Deploy/Version Control: Maven, CVS, SVN, PVCS, ANT, TFS, Jenkins

Internet Programming: HTML/CSS, DHTML, J2EE, JavaScript, Java Servlets, JMS, JSP, JNDI, JINI,TagLibs

Socket programming: Beans, RMI, JNDI, EJB, Cryptography, XML, SOAP, Restful, Active MQ

Operating Systems: Unix, Sun Solaris OS/2.Linux, MS-DOS, Windows NT. Windows ,

Web/Application Server: Apache Tomcat, Web Logic, IBM Web Sphere, JBoss.

Architecture: Designed complete project lifecycle applications using RUP, UML,

Rational Clearcase, Rational Rose, Use Cases, Design Patterns

Reports : Crystal Reports, IBM COGNOS reports,

Development tools/IDE : Eclipse, Net Beans, IBM RAD ,RSA, Toad , Apigee, GWT,Hadoop

Scripting Languages : Perl, Shell Scripting, batch scripting, Ctrol-M

Caching mechanism : EHcache, Gemfire distributed caching

Experience

Confidential

Senior Java Developer Lead

• - Experienced with SQL ORACLE , HTML/CSS, Java and JavaScript, JDBC, JNDI, JMS, Hibernate, xml, messaging queue,muti-theading, Node.js, AOP
• - Unix/Linux, ,Shell Scripting, batch scripting, Control-M schedule tool
• - Developing / maintaining / designing the systems of Ministry of Health Welfare of South Korea as a Sr. java developer.
• - Analyzing DW data warehouse , ETL system and developing java code and sql for the performance.
• - Monitoring and optimizing system or database performance such as Oracle, Sybase
• - Using Agile Development methodologies, design and implementations of J2ee that Spring RS, Struts , Grails based on.

Confidential

Senior Java Developer

• - Building and developing account system
• - Analysing AS-IS System which was developed with VB/.net/MSSQL and converting to Java/J2ee based on Spring , Oracle, ORMs Hibernate, ibatis .
• - Experienced with SQL ORACLE , HTML/CSS, Java and JavaScript, JDBC, JNDI, JMS, xml
• - Unix/Linux, ,Shell Scripting, batch Job, Control-M schedule tool
• - Using Scrum Development methodologies

Confidential

Senior Java Developer Lead

• - Building and developing Korea customs clearance system export and import of South Korean companies such as Hyundai motors , Samsung Electronics, LG Electronics..
• - Experienced with J2EE architecture, Spring RS and Struts, JSF , Restful, SVN, ANT, Eclipse, AOP, Tomcat, Unix, IBM WebSphere, Crystal Reports , JBOSS, UML Data Modelling Design
• - Experienced with SQL ORACLE, MongoDB , HTML/CSS, Java and JavaScript, JDBC, JNDI, JMS, Hibernate, xml, Unix/Linux,Maven,Git, SPA, Node.js, PostgreSQL,Taglibs
• - Analysing Big data South Korean companies such as Hyundai motors, Samsung Electronics, LG Electronics.. from Korean clearance system using Hadoop, SQL, PL/SQL
• - Project as More then 100 Developers participated in
• - Agile development environment
• - Experience include API management, o Auth, Apigee, GWT, Grails, EHcache, Gemfire distributed caching
• - Experience in Active MQ JMS and messaging concept

Confidential

Java Developer

• - Experienced with Java/J2EE,JDBC, JSP, Jboss, Spring, Eclipse, PHP, Node.js
• - JDBC coding using SQL , PL/SQL, Stored Procedures.
• - Application server infrastructure from JBoss 4.x to JBoss 7.x and from Java 5 to Java 7 including effects on server and application configuration files and to build, packaging, and deployment processes. Included in this was upgrading application components to use JPA for data persistence and Maven for build and packaging control and version Control clients SVN.

Confidential

• -Analysing ASIS System which was developed with IBM Mainframe, Cobol, DB2 and converting to Java/J2ee, RAD IBM , RSA IBM with Spring RS,Oracle, Hibernate, PostgreSQL
• - Used Rational Rose development tool to design various Use Cases, Collaboration and Sequence diagrams in Unified Modelling Language UML .
• - Experienced with using JavaScript,SQL ORACLE ,HTML/CSS, SVN, ,IBM WebSphere, RSA, UML ,Crystal Reports , TFS for version Control clients
• - Big project as More than 300 Developers participated in.

Confidential

• - Experienced with Java/J2EE, RAD IBM , RSA IBM , JDBC, JSP, Servlet, MSSQL, HTML, CSS, PVCS, JQuery, Struts, TOAD, and defect tracking systems TFS
• - Using Agile Development methodologies, design and implementations
• - Developed complex reports using Oracle in the backend and substantial JDBC coding .The application was developed using SQL , PL/SQL, Stored Procedures, etc.

Confidential

• - Experienced with Java/J2EE, Eclipse, JavaScript, XML, XSLT, Struts, Taglibs JSP, HTML, CSS ,CVS, ORACLE, MongoDB ,SYBASE, Hibernate, ,Web logic, AJAX, SPA, Maven, Git
• - Developed Use Cases, UML diagrams such as Sequence Diagrams and Class Diagrams, for an application that manages projects, client, people and documents for an enterprise wide intranet/extranet application across multiple sites. Using RSA , IBM
• - Developed the application interface Between Java/J2EE and SAP.
• - Big project as More than 100 Developers participated in
• - Agile development environment
• - Unix/Linux, Encryption, SSO, Shell Scripting, batch scripting
• - Experience include API management, o Auth