SUMMARY:

• 3 years of Java web application development experience in Java 1.6/1.7/1/8. Hands - on experience in Spring Boot, Hibernate 4, Struts2, EJB, JdbcTemplate, AngularJS 1.5 and Bootstrap 3. Familiar with SOA structure and RESTful/SOAP web services. Expertise in Atlassian tools like Git, Jira, Bamboo and Fisheye. Experience with test tools like SOAPUI, Fitnesse and Sonarqube.

TECHNICAL SKILLS:

Programming Languages & APIs: \Java Technologies: Java 1.6/1.7/1.8, JSP, JSTL, Servlets, \JDBC, Servlets, JSP, JSTL, Struts, Spring 3/4, \SOAP Web Services, REST Web Services, \Hibernate, WebServices (SOAP, RESTful), \JDBC, HTML, CSS, JavaScript, \JNDI, JMS, EJB\XML, JSON, PL/SQL, Drools\

Frameworks: \IDEs: \Struts 1/2, Spring 3/4, Spring MVC, Hibernate, \Eclipse 3.3+, Intellij, Netbeans 5.5+, \JSF, JUnit, Log4j, JBoss-logging, Maven\SQL Developer, Jmeter, SOAP UI\

Application Servers: \Version Control: Tomcat, JBoss, Weblogic\SVN, CVS, Git\

Databases: \Software Process/Methodologies: Oracle 11g/12c, MS SQL Server 2005/2008\Agile, Agile Scrum, Waterfall, \IBM DB2, MySQL 5.5\Test Driven Development\

Operating Systems: \Architectures: Linux, Windows\J2EE, Layered, Service Oriented, Micro Services\

PROFESSIONAL EXPERIENCE:

Confidential - Austin, TX

Java Developer

Responsibilities:

• Implemented and maintained Central Payment System(CPS) for various clients of Confidential using Spring, Struts 2 and JQuery in Linux vm environment. Released the application to production successfully every two sprints.
• Created web application using Spring Boot with Spring controllers returning json to the frontend with ResponseBody.
• Used SOAP client to send transaction information to the banks with WS-Security header.
• Maintained web MVC structure using Struts 2 Action class, ActionSupport and Form Bean with xml configuration.
• Implemented JMS sender and MessageDrivenBean to persist transaction order asynchronously in order to support high transaction volume from the clients like Confidential .
• Created Spring batch jobs with Dependency Injection and Multi-threading to process large amount of transaction data from xml, file and database for transaction settlement and reconciliation with various banking systems across the globe.
• Implemented Spring RESTful microservices providing batch job service for the client.
• Built DAO layer with JdbcTemplate and fixed various connection leak bugs in the application.
• Optimized order search page with better SQL queries, indexes and partitions, and reduced the running time from 100+ seconds to less than 500 milliseconds.
• Assisted application migration from DataPipe to Confidential Data Center and Jboss to Tomcat.
• Worked as security champion to perform scan in Checkmarx, triaged and remediated security finds like CSRF, XSS and SQL injection vulnerability, and implemented logic to mask or encrypt PCI data.
• Implemented transaction file encryption function using BouncyCastle PGP encryption.
• Created web pages using JQuery 1.12, JSP, JSTL.and custom tags.
• Integrated data tables with paging and filter using jqGrid, and dynamic selection box with on-select Ajax calls.
• Maintained EJB Entity Beans in persistence layer in Transaction Decision Engine.
• Created data loading sql scripts with procedures.
• Used SOATest to test SOAP web service transaction functions.
• Used Maven in library importing and project building.
• Created unit and integration tests with JUnit, Spring test and Mockito.
• Performed debugging on QA Linux server logs using log4j and jboss-log.
• Worked together with release engineer on the code base migration from Accurev to Git. Wrote wiki pages about Git branching in Atlassian Confluence.

Environment: Java 1.6, Spring boot 1.5, Struts 1/2, SOAP/RESTful, Spring Batch, Mysql 5.5, maven, JUnit, Intellij, Accurev, Git, HTML5, CSS3, JavaScript, JQuery 1.12, SOATest, Linux(CentOS), SOAPUI

Confidential - Austin, TX

Java Developer

Responsibilities:

• Developed a Spring Boot web application with Java 1.8 for data control.
• Created web pages using AngularJS 1.5, BootStrap 3.3.6, NodeJS and Spring Boot 1.3
• Used JAR files for deployment using maven install with embedded Tomcat in Spring Boot.
• Implemented 40 RESTful services as Micro Services using Spring REST API web service that returns JSON data to front-end
• Integrated DAO layer with Spring JDBC Template along with transaction management to perform operations in Oracle 11g database.
• Built UI with JSF and configured style with Primefaces 5.2 and Bootsfaces 0.6.6
• Implemented Authentication module with WebFilter to process authentication information in the header of http calls
• Annotated customized exceptions with ResponseStatus to return different http status.
• Created automated Fitnesse test plans and build plans for Continuous Integration with Atlassian Bamboo.
• Used PL\SQL with DB links to create scheduled autoload jobs like exporting DB tables to excel reports and insert logs into database.
• Integrated input boxes with dynamic dropdown list, treeview checkboxes and filter for table contents with AngularJS
• Created dynamic charts like histogram, pie chart and map chart using Angular-chart.js
• Developed and executed unit and integration test cases for DAOs and Controllers using JUnit, Mockito and Spring test. Reached 80% coverage in SonarQube.
• Used log4j for logging on console.
• Tested RESTful web services with SOAP UI.
• Performed debugging with Tomcat logs on Linux server
• Used SVN and Git as a version control system
• Performed code review using Atlassian Stash and Crucible.

Environment: Java 1.8, Spring MVC, SOAP, RESTful, Spring 4, Spring Boot 1.3, Oracle 11g, Toad for Oracle, maven, JUnit, SOAP UI, Eclipse, SVN, Git, HTML5, CSS3, JavaScript, AngularJS1.5, BootStrap 3.3.6, WebStorm 11, SonarLint 2.1, JSF, Primefaces 5.2, Bootsfaces 0.6.6, Linux

Confidential - Piscataway, NJ

Java Developer

Responsibilities:

• Built a Java Banking System using Spring MVC framework, created Spring controllers to integrate business logic.
• Used Hibernate 4 to store data into Oracle Database with SQL/HQL/Criteria Queries.
• Created RESTful web service to transfer XML/JSON data of account information using Spring RESTful.
• Created rule files and model objects for Drools Business Rule Engine in Eclipse.
• Developed rule flows, decision tables and snapshot on Drools Guvnor deployed on JBoss server.
• Used Maven for building, testing and import dependencies.
• Used JUnit for unit testing and integration testing

Environment: Java 1.7, Spring 3, Hibernate 4, JBoss 7, Oracle, Drools, Eclipse, Maven