PROFESSIONAL SUMMARY:

• 6 years of hands - on experience in Requirements Analysis, Technical Design and development using Java/J2EE and Spring technologies.
• Good knowledge and experience of Object oriented programming with latest trend of programming like design/integration patterns, declarative programming (RX Java) etc.
• Played a key role in development of micro services platform using Netflix APIs stack with key features like auto service discovery and routing, throttling, region-based load balancing, drools rule engine etc.
• Hands on experience on spring framework (Spring MVC, AOP, IOC, Integration etc.) and Restful Web services.
• Experience in developing elaborate services based architecture utilizing open source technologies like Hibernate and Spring Framework.
• Developed, Configured and Deployed Different Portals and UI applications using HTML, CSS, JavaScript, Angular JS, JQuery and Python Script
• Extensive work experience using Web Services (REST, SOAP) and Service Oriented Architecture.
• Remarkable ability to learn and adopt new technologies and also to deliver outputs in short deadlines.

TECHNICAL SKILLS:

Programming Technologies/Frameworks: C,C++,Java, J2EE, Spring framework(MVC, Integration), Drools Rule Engine, Angular JS, Hibernate, HTML, CSS, JSF etc.

Application/Web Servers: JBoss EAP, Apache Tomcat, WebLogic, WebSphere

Application build Env: Maven, Gradle, Ant, Jenkins etc.

Version Control System: GIT, SVN, CVS

Databases: Oracle, MySQL and SQL Server

Operating Systems: Microsoft Windows and Linux

Scripting Language: Python, Java script

Other: XML, XSD, DTD, XSLT, XPATH etc.

PROFESSIONAL EXPERIENCE:

Confidential, Richfield MN

Sr. Java Developer

Responsibilities:

• Worked on requirements gathering and preparing the technical design for modules.
• Analyzed existing code base to understand existing functionality that helped in re designing the new application.
• Involved in discussions with various teams, interface/technical designs, coding and working with offshore team.
• Developed Micro-services using Spring Mvc and Netflix stack (Hystrix, Archaius, Eureka, Zuul and Ribbon)
• Integrated Kieserver on to services platform. This allowed other services on the platform to seamlessly interact with the drools rule service.
• Created a web based centralized configuration manager UI using Angular JS and Spring MVC.
• Extensively worked on Drools Rules Enginefor writing Business Rules Validation and externalization of parameters.
• Configured Kieserver to expose KieContainers through a standard API over transport protocols like REST.
• Configured Zookeeper and Archaius with Kieserver to read the properties and also configured Eureka as service discovery clients with Kieserver.

Environment: Java 1.7, Spring, Hibernate,Angular JS, Drools, Maven, Eclipse, Tomcat,Zookeeper, Web Services, Netflix API,Marathon,JSON, Jenkins, Oracle 12c.

Java Developer

Responsibilities:

• Worked with Business Analysts and Subject Matter Experts on the formalization and documentation of Mayo Clinic Enterprise wide Clinical Expert System rules.
• Used SpringIOC, AOP, Core, Transaction Managementand integrated Spring DAO with Hibernate.
• Involved in writing application level code to interact with APIs, Web Services using JSON and XML.
• Integrated the Drools and JBPM to application framework, which involved dynamic creation of knowledgebase and Knowledge session.
• Worked on Drools Rules Engine and ExpectationRule Enginefor writing Business Rule Validation
• Responsible for designing and implementing of rule configuration manager UI using Angular JS and Spring Mvc.
• Responsible for the creation and execution of the JUnit Test cases for each coding assignment.
• Deployed the application on Tomcat Application servers using Jenkins continuous integration build.

Environment: Java 1.7, J2EE, Spring, Hibernate, Drools,Angular JS, Java Script, HTML, CSS, JQuery, AJAX, JSON, MAVEN, Intellij, Tomcat, Jenkins, MSSQL Server 2012 and MongoDB, GIT and TFS

JAVA/J2EE Developer

Responsibilities:

• Analyze Business Requirements, Technical Designing, Implementation and Documentation.
• Involved in all phases of the Agile Software development life cycle (SDLC) requirements gathering, analysis, design, development, building, testing, and deployment.
• Designed and implemented Early Child Care Services and Race to the Top modules.
• Implemented the Service Layer using EJB, JPA-Hibernate and JMS.
• Involved in development of User Interface using JSF, Rich Faces, Prime Faces, HTML/HTML5, CSS, JavaScript, JQuery, and AJAX
• Extensively used Hibernate Query Language (HQL) and Criteria Queries to work with MySQL databases.
• Designed and implemented various design patterns include Singleton, DTO, DAO, Factory and Builder, Facade and Decorator.
• Developed the code with both unit test cases and integrated test cases using JUnitand Arquillian.
• Worked on tools like Jenkins, Gerrit for Code Reviewsand Redmine for Project Management.
• Involved in Production Support for Food Program and Background Check Modules.

Environment: Java, EJB, JPA, Hibernate, JMS, Weld CDI, JSF, Dozer, Java Script, HTML, CSS, JQuery, AJAX, JSON,MAVEN, JBoss EAP,MySQL and Sybase, GIT.

Java Developer

Responsibilities:

• Involved in all phases of the Agile Software development life cycle (SDLC) requirements gathering, analysis, design, development, building, testing, and deployment.
• Designed and developed User Interface, application modules using JSP, Spring, JavaBeans, HTML, CSS, JavaScript, JQuery and AJAX.
• Used Spring for cross cutting concerns and IOC for dependency injection.
• Used Hibernate in data access layer to access and update information in the database.
• Developed application service components and configured beans using Spring, creation of Hibernate mapping files and generation of database schema.
• Developed the Spring AOP Programming to configure logging for the application.
• Used different Design patterns like MVC pattern, DAO pattern, and singleton to achieve clean separation of layers.
• Involved in JUnit Testing of various modules by generating the Test Cases.
• Involved in Bug fixing of various modules that were raised by the testing teams in the application during the Integration testing phase.

Environment: Java 1.6, J2EE, Struts,Spring, Hibernate, JAX-WS, JDBC, JSP, Servlets, UNIX, HTML, REST, WebSphere, CSS, XML, JQuery, AJAX, JSON, Java Script, ANT Scripts, Oracle and Log4J.

Java Developer

Responsibilities:

• Involved in Analysis and design of the application using UML.
• Extensively used Java Server Pages JSP, for designing common templates and web pages.
• Designed and developed User Interface, application modules using JSP, Struts, JavaBeans, HTML, CSS, JavaScript, JQuery and AJAX.
• Designed and developed model, view and controller using Struts Framework.
• Implemented XML DOM and SAX parsers for various web pages to parse data.
• Added several Application Properties files as part of the Resource Bundle for several needs like Internationalization, Error Messages etc.
• Deployed the Web module onto Apache Tomcat and the Enterprise module onto IBM WebSphere.
• Developed Ant Scripts files for deploying the entire project onto the Web and Application Servers.
• Performed Unit Testing using JUnit.

Environment: Java 1.4, J2EE 1.4, Servlets 2.4, JSP 2.0, Struts 1.3, Hibernate, HTML, JavaScript, XML, AJAX, JDBC 2.0, MS SQL Server 2005, JUnit 3.8, log4j, Ant, Apache Tomcat 5.0, WebSphere.