PROFESSIONAL SUMMARY:

• Around 4 years of professional experience as a Java Developer in Object Oriented development, implementation and maintenance of web and distributed Enterprise applications using Java/J2EE technologies.
• Experienced in Analysis, Design, Development, Integration, Deployment and Maintenance of Web services, Client Server and Web based applications using Java SE 8, J2EE/Java, JSP, JavaScript, Servlets, JNDI, JDBC, JAXP, EJB, XML, XSL, and XSLT.
• Knowledge in implementing a REST API/Microservice using Spring Boot.
• Understanding of Cloud Environment like AWS, PCF Pivotal Cloud Foundry.
• Good understating on using OAuth security framework.
• Extensive knowledge in using Spring - Data, Spring JDBC.
• Experience in working on various Spring modules (Spring MVC, DAO and AOP) along with Hibernate as the back-end ORM tool for implementation of persistence layer and mapping of POJOs.
• Expertise in writing Soap based web services using AXIS/Rest API.
• Proficient in using Code Quality tools like Sonarqube.
• Good knowledge in CI/CD tools like Jenkins.
• Experience working with different SDLC methodologies like Agile (SCRUM).
• Strong knowledge on Hibernate and in using Hibernate Connection Pooling, HQL, Collections, Hibernate Caching, Hibernate Transactions, Optimistic Locking.
• Proficient in XML technologies like XSL/XSLT, SOAP, REST, WSDL, DTD, XSD, XMI, SOA, JAXB, JAXP.
• Proficient in designing applications using Java and J2EE Design Patterns such as Creational, Structural and Behavioral design patterns Singleton, Factory, Facade, Builder, Observer, Command Patterns, Value/Data Transfer etc.
• Good understanding of NoSQL concepts.
• Good experience in log4J implementation to persist the data into log files and experience with Ant and Maven for the build and deployment of applications.
• Expertise in Object Oriented Analysis, Design / Development Methodologies, Use Cases, Sequence and Class Diagrams using UML.
• Expertise in using UML design tools like Rational Rose, Star UML, Enterprise Architect for creation of Use-Case diagrams, Class diagrams, Interaction diagrams (Sequence diagrams, Activity diagrams).
• Experience with unit testing using JUnit and web services testing Soap UI, REST Client (POSTMAN).
• Experienced with IBM WebSphere Application Server, JBOSS application servers and Apache Tomcat Application Server.
• Expertise in writing APIS’s using Spring Data/JDBC by accessing Oracle, MySQL, PostgreSQL databases.
• Experienced in implementing full life cycle of software development process (SDLC).
• Used version controller tool like GIT, SVN and CVS.
• Excellent analytical, logical and programming skills, Self Motivated, Self-Starter, Team Player can work with minimal supervision with effective Communication skills and Organizational skills combined with attention and Time management skills.

TECHNICAL SKILLS:

Languages: Java SE 6/7/8, Java 1.6/1.7/1.8/J2EE

Java/J2EE Technologies: Servlets, JSP, JSTL, JDBC, JSF, JavaBeans, MVC, ANT, MAVEN, Log4j, XML, JAXP, DOM, JNDI, JUNIT, Web services (REST/SOAP), Executor Framework, JTA

Design Patterns: Singleton, Factory, Facade, Builder, Observer, Command Patterns, Value/Data Transfer

Design Tools: Rational Rose, Star UML, Enterprise Architect

Web Technologies: HTML, JavaScript, CSS, XML

Struts, Spring, Spring: Data, Spring JDBC, OAuth, Hibernate, JPA, Spring Core, Spring ORM, Spring MVC, Spring AOP

Web/Application Servers: Web Logic, WebSphere, Apache Tomcat, JBOSS

Testing: Junit, SOAP UI, POSTMAN

Version Control Tools: GIT, SVN, CVS

Build Tools: Ant, Maven, Gradle

Methodologies: Agile (Scrum), Iterative

Database Environments: Oracle, PostgreSQL, MySQL

Operating Systems: Windows, Mac, Linux and UNIX

PROFESSIONAL EXPERIENCE:

Confidential, Cincinnati, OH

J2EE Developer

Environment: Java 8, Agile (Scrum), Spring, Spring Boot, Spring Data, STS, Apache Embedded Tomcat, Sonarqube, Maven, Cobertura, POSTMAN, Log4j, GIT, JIRA, Oracle, Windows/Linux.

Responsibilities:

• Understand system requirements for the application and preparing technical specifications, worked with the team to review the requirements, and went through the Software Requirement Specification document and Architecture document.
• Set up DEV QA and SIT environments.
• Maintained DEV, QA and SIT environments and closely worked with QA Team.
• Coordinated with QA team to indentify ongoing issues and address the issues which are raised by QA.
• Developed application components using Spring, Spring-Data, Spring Boot and Oracle.
• Designed UML Use case diagrams, Class diagrams, and Sequence diagrams using Star UML.
• Used various Core Java concepts such as Exception Handling, Collection APIs and Executer Service Framework to implement various features and enhancements.
• Used Spring extensively to achieve dependency injection to wire the object of business class.
• Used Spring Data Repositories to perform CRUD operations.
• Implement OAuth tokenisation for RESTful webservices using Spring boot.
• Involved in creating and Deployment of REST API and Microservices in Java J2EE using Spring Boot.
• Extensively used Sonarqude for code quailty.
• Implementation of authentication for Restful web services using Spring Boot Security Starter.
• Developing the application for incident creation and retrieving the events using restful web services with spring Boot.
• Worked extensively on spring boot for building REST API’s.
• Extensively used STS for developing, debugging, integrating and deploying the application.
• Extensively used Maven to build the application and deploy on Embedded Tomcat Server.
• Maintained source code in GIT Repository.
• Used Log4j for logging to trace the application log messages which is used for debugging.
• Designed various tables required for the project in Oracle database.
• Prepared JUnit and Integration test cases and integrated with Jenkins.
• Reviewed the code for ensuring adherence to Java coding standards.
• Used JIRA for writing user stories and raising defects in a defined sprint.
• Used Cobertura tool for code coverage.
• Followed biweekly sprint schedules and delivered user stories on time.

Confidential

Java Developer

Environment: Java, Agile (SCRUM), REST API, Spring DI/IOC, Spring Boot, STS, Spring JDBC, XML, SOAP (AXIS) Web Services, Enterprise Architect, Web Services (SOAP and REST), SOAP UI, POSTMAN, Maven, Junit, Maven, Log4J, GIT, Oracle, UNIX.

Responsibilities:

• Involved in System Analysis, Design and development using OOAD methodology to capture and model business requirements.
• Responsible for creation of design artifacts using Enterprise Architect.
• Reviewed business requirements and discuss with application architect about the design.
• Used Value/Transfer Object and Singleton, Data Access Object, Factory design pattern.
• Developed Batch process framework using executive service framework to cascade multiple changes on multiple records in only one transaction.
• Used Spring Transaction Management extensively.
• Responsible for developing java components using Spring, Spring JDBC, Spring Transaction Management.
• Created and Implemented Microservices or REST APIS using spring boot, REST, JSON.
• Used Spring JDBC in persistence layer that is capable of handling high volume transactions.
• Implemented the service layer using Spring with transaction and logging interceptors.
• Used Spring framework for middle tier and Spring-JDBC templates for data access.
• Developed SOAP/REST based Web Services using both SOAP/WSDL and REST.
• Used multithreading to improve performance in generating the reports in Java.
• Designed and developed SOAP Web Services Client program to consume existing SOAP web service using Axis framework.
• Tested SOAP web services using SOAP UI and REST services using POSTMAN.
• Created and compiled XML Schema to generate Java Bean classes.
• Developed DAO Layer by calling existing stored procedures.
• Used Maven for compilation and building JAR, WAR.
• Used Log4J for logging and tracing the messages.
• Used STS for developing, debugging, integrating and deploying the application.
• Maintained source code in GIT Repository.
• Involved in the day to day sprint development activities and delivered per sprint timeline.
• Written unit test cases using JUnit and Integration test cases and integrated with Jenkin jobs.
• Coordinated with the onsite and offshore developer’s w.r.t ongoing issues and follow up.

Confidential

Environment: Java, Spring Framework, Hibernate, JAXB, Eclipse, HTML, XML, Log4j, SOAP, Maven, WebSphere, Oracle, GIT, Windows/Linux.

J2EE Developer

Responsibilities:

• Re-engineered the existing application written in Natural language (Software AG product) to Java/J2EE.
• Development of functional modules using Java, J2EE, Spring-Hibernate.
• Participated in Functional Document reviews and created Technical Specification documents.
• Actively designed, developed and integrated the Metrics module with all other components.
• Developed Java components using Spring IOC, Hibernate using Eclipse.
• Designed Java models consist of Java beans and database entity classes.
• Implemented DAO pattern to access database and perform database CRUD operations in persistency layer.
• Used various Core Java concepts such as Exception Handling, Collection APIs and Executer Service Framework to implement various features and enhancements.
• Co-ordination with offshore/onsite team on development activities.
• Developed use case UML diagrams such as Sequence and Class diagrams for my application module.
• Deployed application JAR file on WebSphere application server.
• Developed Web Service(s) using XML messages that use SOAP. Developed Web Services for Payment Transaction and Payment Release.
• Indentified and addressed transactional issues concurrency issues.
• Developed the application using Eclipse as the IDE and used its features for editing, debugging, compiling, formatting, build automation and version control (GIT).
• Wrote test cases in Junit for unit testing of classes and implemented the logging using Log4j.