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Wontae
kangwontae@gmail.com
770-778-4621
Alpharetta, GA 30009
Java Developer
15 years experience W2
2
Recommendations
Average rating
33
Profile views
Summary

  • Java back-end Developer with 10 years of experience developing software for the transportation, telephony, health care and account & billing systems industries.
  • 5 years of hands-on Spring, Angular.js experience, 3 years in Spring Boot.


Java: Spring, Struts, Hibernate, JPA, JSP, Servlet, GWT, EJB, JUnit, JAXB
Programming & Scripting: HTML, CSS, JavaScript, JQuery, Angular, Bootstrap, SQL, Hadoop, Unix Shell Script
Database: Oracle, DB2, MySQL, PostgreSQL, MS-SQL, Sybase
Web Application Server: WebLogic, WebSphere, JBoss, GAE, Tomcat
Build & Version Control: Maven, ANT, Git, SVN, TFS
Tools: Eclipse, STS, Intellij, Visual Studio, Postman, Toad, DB Visualizer, Visio, VersionOne, Rally, JIRA

Experience
Java developer
Healthcare
Jan 2018 - present
  • Developed Custom Clusters modules in Tuberculosis Genotyping Information Management System (TB GIMS)
  • Developed Report of Verifiable Case of Tuberculosis(RVCT3) modules in National Tuberculosis Surveillance System Case Reporting (NTSSCR)
  • Implemented application web pages using Angular, JSP, JSTL, Bootstrap, JQuery, JavaScript, HTML5, SOAP/REST and related technologies
  • Developed server side application to interact with database using Java Spring Boot based on Microservices architecture with Spring Cloud Environment
  • Responsible for applying AJAX principles using open source JavaScript libraries and JSON
  • Created Json-to-Json flatten module to Kafka streamer and add to Docker
  • Leveraged MS SQL Server technologies like store procedures, views and scripts
  • Experienced working with myBatis to access database from source codes
  • Used MyEclipse IDE to develop the Java enterprise frameworks
  • Working against Git/Bitbucket source code repository, maintain deployment plans in Atlassian Bamboo, collaborate and share knowledge on Atlassian Confluence
  • Responsible for object-oriented design and development with appropriate use of design pattern
  • Experienced using source control and continuous integration environments
AJAX AngularJS Bootstrap Design Patterns Docker Containers Eclipse Git Java JavaScript jQuery JSON JSP Kafka Microservices REST SOAP Spring Spring Boot SQL SQL Server
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Technology Lead
Information Technology
Jan 2017 - Jan 2018
  • Developed enterprise client portal to enable digital banking services for consumer and wholesale
  • Applied Java Spring Boot frameworks based modules with web services and API specification
  • Implemented continuous delivery/deployment of applications using Microservices architecture with Spring Cloud Environment
  • Resolved assigned issues from testing complex user interface and component interaction
  • Created web application using Typescript, Angular, HTML and CSS
  • Implemented REST web services interacting with JAX-RS & JAX-WS
  • Worked on Embedded Tomcat and Oracle Access Manager 11g
  • Used STS(Spring Tool Suite) and built Java application with Maven
  • Continuous Integration with Microsoft TFS and Source control with Git
  • Sprint iteration environment planning using VersionOne with daily standup meeting
Java Microservices AngularJS Continuous Integration CSS Git JAX-RS HTML Oracle JAX-WS Spring Spring Boot REST WebServices Maven
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Java Developer
Information Technology
Sep 2016 - Dec 2017
  • Developed locomotive information management system for train operation
  • Implemented Java application with Spring and Hibernate frameworks
  • Created REST web services interacting with AJAX
  • Developed SQL with DB2 and TeraData
  • Outlined implemented and managed infrastructure of WebLogic
  • TDD with unit testing using Junit
  • Used Eclipse IDE and built Java application with Maven
  • Controlled version of source codes using SVN
  • Responsible for completing software development life cycle based on Agile methodology
HTML SQL DB2 JavaScript AngularJS WebServices Eclipse Hibernate Java Junit Maven REST Spring Teradata AJAX BEA WebLogic CSS SVN Unit Testing Agile Methodology TDD IDE
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Java Developer
Transportation
Jan 2015 - Sep 2016
  • Developed Rail Track & Trace system in GE Transportation
  • Created web application using Javascript, AngularJS and Play framework
  • Implemented Java application with JPA
  • Used REST web services and JSON using Postman
  • Developed database scripts with PostgreSQL
  • TDD with unit testing using Junit, Mockito and Jasmine/Karma
  • Used Intellij IDE and built Java application with Maven
  • Controlled version of source codes using Git
  • Worked on Mac OS X and Unix environments
  • Team collaboration with JIRA Confluence to create, organize and discuss work issues
  • Sprint iteration environment with daily standup meeting and weekly knowledge transfer
Java UNIX Junit JavaScript jQuery node.js AngularJS JSON REST Maven Spring JIRA WebServices PostgreSQL Unit Testing Git JPA Postman Jasmine IDE Karma TDD
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References
Average Rating

1 recommendation
Java/J2EE Developer
Information Technology
Jan 2014 - Jan 2015
  • Developed Java web application of Verizon wireless online services such as Commerce, SMServices and Push To Talk
  • Implemented Java application based on Spring Web Flow and Hibernate frameworks
  • Developed web application using Javascript, JQuery, HTML and CSS
  • Configured and used WebLogic domains in local environment
  • Accessed Oracle database using TOAD
  • Manipulated REST web services to access XML and JSON data
  • Generated marshaling/unmarshaling between Java classes and XML using JAXB
  • Used Eclipse IDE and built Java application using Maven
  • Updated source codes using Git and SVN version control system
  • Used Rally to apply Agile Scrum methodology in project management
  • Resolved assigned ERDT defects and communicated with QA
Hibernate HTML Java XML Eclipse Oracle J2EE JavaScript BEA WebLogic Scrum Agile Methodology jQuery node.js AngularJS JSON REST SVN Maven Spring WebServices Git Project Management CSS JAXB TOAD Rally
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Java/J2EE Developer
Information Technology
Jan 2012 - Jan 2014
  • Created web-based application of wellness plan design healthcare project for Prince George’s County Department of Health in Maryland
  • Developed web application using Servlet, JSP, Javascript, JQuery, PHP, HTML, CSS and AJAX
  • Implemented Java application based on Spring and Hibernate frameworks
  • Used Google App Engine and Datastore to manipulate data
  • Configured cron jobs to operate scheduled tasks
  • Developed mail access module using JavaMail
  • Generated nutrition report as PDF document using Java iText library
  • Implemented SOAP based web services with JAX-WS
  • Built Java application using Maven and generated application logs using Log4J
  • Used Subversion to share and control version of application sources
  • Used Eclipse IDE to develop Java/J2EE project and integrate development process
  • Applied DEVS(Discrete Event System Specification) modeling and simulation
  • Worked on Agile development environment including Scrum methodology
Hibernate HTML Java Eclipse J2EE Java Servlet JavaScript Log4J JSP Scrum SOAP CSS Agile Methodology jQuery SVN Maven Spring WebServices JAX-WS AJAX PHP
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References
Average Rating

1 recommendation
Java Developer
Information Technology
Jan 2011 - Jan 2012
  • Developed promotional marketing digital assets management system for Sony Music Entertainment to manage assets such as media objects, covers, press releases, tour information, artwork, products, product families, projects, artists and tracks
  • Implemented Java web application using GWT/GXT, EJB3 and Hibernate framework built on ANT
  • Used JBoss web application server and Sybase database
  • Provided product support for Specialty & Healthcare Management service at CVS Caremark
  • Managed Java application based on Spring and Hibernate frameworks with XML/XSLT running on WebSphere
  • Created/updated Unix shell scripts running on IBM AIX Unix server and used DB2 database
  • Developed Immunization Registry Management System(IRMS) to provide registry-based and centralized immunization records repository tools to support activities, including vaccine inventory tracking, VAERS reporting, assessment and reminder/recall
  • Created interoperability module between IRMS and HL7 management system including sessions and user accounts management
  • Implemented single sign on modules by retrieving the web user & session data, validating session id and keeping the session alive to enable provider tracking between IRMS and HL7 system
  • Developed frontend web application using JSP, Struts Tags, HTML, CSS, JavaScript and JQuery
  • Accessed Oracle DBMS including PL/SQL functions, procedures and packages using JDBC
  • Generated Java classes from WSDL and XML Schemas using JAX-WS
  • Applied Subversion to share and control application version and Hudson for continuous integration
  • Generated Jira tickets of issue and requested code review using Crucible for task management
Asset Management CSS DB2 Hibernate HTML IBM WebSphere Java JavaScript JAX-WS JDBC Jenkins jQuery JSP Oracle Shell Scripts Spring SQL Struts SVN UNIX WSDL XML XSLT JIRA HL7
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Java Developer
Information Technology
Jan 2009 - Jan 2011
  • Developed web-based time keeping system to manage employees’ work status & history and generate timecard & invoice report for government clients
  • Created human resource management system to formalize employee’s payroll process including income, compensation, benefits and bonus management providing connection to accounting system
  • Developed MS4Systems public homepage to introduce business products and services based on discrete event systems specification modeling environment
  • Created DEVS (Discrete Event Systems Specification) blog website to introduce DEVS primer stemming from modeling & simulation technology
  • Implemented payroll report file creation modules using Apache POI libraries
  • Designed UML diagram using MS-Visio and created MySQL database schema, tables, and views
  • Applied Struts MVC and generated logs using Log4j in building server-side action controller
  • Developed web application using JSP, Struts Tiles/Tags, HTML, CSS, JavaScript and JQuery
  • Managed Java project build process using ANT
  • Deployed and configured WebLogic application server and web applications
  • Used JIRA for project issue tracking and communication with QA
Apache BEA WebLogic CSS HTML Java JavaScript jQuery JSP Log4J MVC MySQL Struts UML
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Java Developer
Information Technology
Jan 2007 - Jan 2009
  • Built market sensing system for STA(Samsung Telecommunication America) to plan marketing cost, estimate marketing efficiency and monitor market share & competitors’ price
  • Created content management system for SISA(Samsung Information System America) web site to simplify the publication of web contents and related files and facilitate web site management
  • Analyzed POS(Point of Sales) system for setting up batch process on credit card settlement and sales summary report
  • Used Java technologies including JSP, Servlets, EJB, JDBC running on WebLogic server
  • Built web application using Struts framework on MVC architecture with DAO pattern
  • Applied JSTL and tag libraries to manipulate data on Java Server Pages
  • Developed uploading and accessing file modules using Java I/O and Apache POI libraries
  • Accessed Oracle database schema, tables, functions, and procedures
  • Developed embedded graph and chart into web sites using XML, AJAX and Corda
  • Deployed Java web application on WebLogic and used AIX unix server
  • Applied CVS server to share and control application version
AJAX Apache BEA WebLogic EJB Java Java Servlet JDBC JSP MVC Oracle Struts UNIX XML AIX Weblogic Server
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Edit Skills
Non-cloudteam Skill
Education
Master's in Business Administration
Thunderbird School of Global Management
Bachelor's in Computer Science
Inje University
Certifications
Certificate, English
Collabera TACT Certified Developer for Apache Hadoop
Sun Certified Programmer for Java 2 Platform
Skills
Java
2021
14
JavaScript
2021
12
jQuery
2021
11
JSP
2021
10
Spring
2021
10
AJAX
2021
9
Eclipse
2021
8
AngularJS
2021
7
CSS
2018
7
Git
2021
7
HTML
2018
7
REST
2021
7
BEA WebLogic
2017
6
JSON
2021
6
Maven
2018
6
SQL
2021
6
WebServices
2018
6
Hibernate
2017
5
Oracle
2018
5
SOAP
2021
5
Struts
2012
5
SVN
2017
5
Agile Methodology
2017
4
Apache
2011
4
Java Servlet
2014
4
JAX-WS
2018
4
Log4J
2014
4
Microservices
2021
4
MVC
2011
4
Spring Boot
2021
4
UNIX
2016
4
XML
2015
4
Bootstrap
2021
3
Design Patterns
2021
3
Docker Containers
2021
3
J2EE
2015
3
JDBC
2012
3
Kafka
2021
3
Scrum
2015
3
SQL Server
2021
3
AIX
2009
2
DB2
2017
2
EJB
2009
2
IDE
2017
2
JIRA
2016
2
Junit
2017
2
MySQL
2011
2
node.js
2016
2
PHP
2014
2
TDD
2017
2
UML
2011
2
Unit Testing
2017
2
Weblogic Server
2009
2
Asset Management
2012
1
Continuous Integration
2018
1
HL7
2012
1
IBM WebSphere
2012
1
Jasmine
2016
1
JAX-RS
2018
1
JAXB
2015
1
Jenkins
2012
1
JPA
2016
1
Karma
2016
1
PostgreSQL
2016
1
Postman
2016
1
Project Management
2015
1
Rally
2015
1
Shell Scripts
2012
1
Teradata
2017
1
TOAD
2015
1
WSDL
2012
1
XSLT
2012
1
Apache Tomcat
0
1
MS TFS
0
1
Scripting
0
1
Visual Studio
0
1