SUMMARY:

• Over 8 years of experience in all the technical phases of Software Development Life Cycle (SDLC) including Requirement Analysis, Design, Implementation and Testing in both Web based and Enterprise applications with emphasis on Object Oriented, Java/J2EE and Client Server technologies.
• Experience in developing the application with Agile Methodology, Waterfall Methodology and Test - Driven Development.
• Experience in Front-End UI technologies like HTML5, CSS3, JQuery, JSON, Ajax, AngularJS, NodeJS, Bootstrap, Tag Libraries, JSTL.
• Good working knowledge with Java 1.8 features like stream, Lambda expressions and functional interfaces etc.
• Having experience with Cloud Computing environment like Pivotal Cloud Foundry, Amazon Web Services (AWS), Docker Containers.
• Handled operations and maintenance support for AWS cloud resources which includes launching, maintaining and troubleshooting EC2 instances , S3 buckets, Auto Scaling , Dynamo DB , AWS IAM , Elastic Load Balancers ( ELB ) and Relational Database Services ( RDS ).
• Proficient in developing J2EE enterprise applications in Service Oriented Architecture and Micro Service Architecture.
• Hands on Experience in developing web applications by using Spring framework modules like Spring IOC, Spring AOP, Spring MVC, Spring Security, Spring Boot, Spring Batch and Spring Data.
• Expertise in developing data models using Hibernate Object relational mapping (ORM) frame work and used Hibernate Annotations to reduce time at the configuration level.
• Expert in Core Java with strong understanding of Garbage Collector, Collections, Multithreading, Event handling, Exception handling and Generics.
• Expertise in J2EE Technology- Servlets, Struts, Spring, JDBC, JTA, JPA, Hibernate and JMS.
• Experience with distinctive design patterns like Singleton, Factory, Prototype, Business Delegate, Session Facade, Service locator, Visitor, Observer, Decorator, Front Controller, DAO and MVC.
• Worked with design and development of robust and highly scalable Web Service platforms and API’s based on REST and SOAP for enterprise applications using AXIS, WSDL, UDDI, XML, JAX-WS, JAX-RS, JAXB, JAX-RPC technologies and Jersey frameworks.
• Expertise in XML technologies such as XSL, XSLT, XML schemas, XPath, XForms, XSL-FO and parsers like SAX, DOM.
• Expertise in back-end/server-side java technologies such as: Web services, Java persistence API (JPA), Java Messaging Service (JMS), Java Database Connectivity (JDBC) and Java Naming and Directory Interface (JNDI).
• Experienced in building Web Services for Service Oriented Architecture (SOA).
• Good Understanding in databases such as Oracle, MySQL, SQL Server, NoSQL, Mongo DB and IBM DB2 databases to manage tables, views, indexes, sequences, stored procedures, functions, triggers and packages.
• Experience in JMS over messaging to exchange the information in more reliable and asynchronously for enterprise applications using Active MQ and Rabbit MQ.
• Proficient with build automation tools like Gradle, Maven and Ant for builds and deployments to different environments.
• Experience on different IDEs such as Eclipse, RAD, Spring Tool Suite, IntelliJ and deployment using Application Servers like Apache Tomcat, BEA WebLogic, Web Sphere, Glassfish, Camel and JBOSS.
• Experience with JUnit, Mockito, Log4j in developing test cases and determining application functionality.
• Experience on UNIX/LINUX Shell Scripting and Deployment of Applications in Server.
• Decent Experience in using code repository tools GIT, Tortoise SVN, and Visual Source Safe.
• Strong communication and analytical skills and a demonstrated ability to handle multiple tasks as well as work independently or in a team.

TECHNICAL SKILLS:

Programming Languages: C, Java 1.8, J2EE, and PL/SQL.

Tools: and Framework

Spring, Hibernate, Spring MVC, Spring Web Flow, Spring IOC, Spring AOP, Spring Security, Struts, JSF, JUnit, SOAP UI, JReport.

J2SE/J2EE Technologies: Java, J2EE, RMI, Sockets, JDBC, Servlets, JSP, JMS, Java Beans, JSTL, JSF, Jakarta Struts, EJB, Spring, Hibernate, JTA, JNDI, JPA JMS, Web Services (JAX-RPC, JAX-WS, SOAP, REST, WSDL, UDDI and RESTFUL), Groovy/Grails.

Web Technologies: HTML5, CSS3, JavaScript, JQuery, Bootstrap, AngularJS, JSF, AJAX, NodeJS, JSON Restful.

XML Technologies: XML, XSL, DOM, SAX, DTD, XQuery, XSD and XSLT.

Cloud Technologies: AWS EC2, S3, Dynamo DB, ELB

Oracle, SQL: Server, MySQL server, MS SQL, IBM DB2, MongoDB.

Web/Application Servers: Apache Tomcat, IBM WebSphere, Glassfish, Web logic Application server, JBOSS.

Build Tools: ANT, Maven, Gradle, Vagrant, Docker and Jenkins

IDE / Tools: Eclipse, IntelliJ, Spring Tool Suite(STS), RAD

Testing Tools/ Others: JUnit, Mockito, Soap UI, Log4j and JIRA

Version Control: Tortoise SVN, CVS and GIT

Platforms: Windows, Mac, Linux and Unix.

Methodologies: Agile, Waterfall, Test Driven Development

PROFESSIONAL EXPERIENCE:

Confidential, St. Louis, MO

Sr. Java/J2EE Developer

Responsibilities:

• Worked on High level and low level system design, planning, estimation and implementation
• Developed presentation layer using JSP, HTML5, CSS3 and client validation using JavaScript.
• Developed Single page application and structured the JavaScript code using AngularJS.
• Design and develop template based User Interface using Bootstrap and Angular JS .
• Handled all the client side validations, slide show, hide and show controls, dropdown menus and tab navigation using JQuery .
• Worked on Java 1.8 features such as Lambda Expressions for making anonymous inline function calls by using Functional Interfaces which makes code readable and concise.
• Excellent in deploying the applications in AWS as EC2 instances and create snapshots for the data that must be stored in AWS S3.
• Utilized Amazon Web Services ( AWS ) EC2 to deploy Docker containers.
• Create and configured the continuous delivery pipelines for deploying Micro Services and Lambda functions using Jenkins CI server.
• Worked on development and implementation of the MVC Architectural pattern using Spring Framework.
• Developed the application with various Spring Framework modules like Spring IOC, Spring AOP, Spring Boot, Spring Security, Spring Batch.
• Used Spring MVC framework at the Web tier level to isolate each layer of the application so that complexity of integration will be r educed and maintenance will be very easy.
• Used Spring AOP for solving crosscutting concerns like keeping customer log data and transactions details etc.
• Implemented Batch jobs to deal with large number of chunks using Spring Batch Framework to execute the similar jobs simultaneously.
• Designed and integrated the full-scale Hibernate persistence solution with the application architecture.
• Involved in design and development of the Hibernate Domain Model for the service.
• Involved in using JPA (Java Persistence API) frameworks and APIs as JDO and Hibernate.
• Enterprises Integrated Pattern Implemented with Apache Camel(ESB).
• Developed a RESTful based service for data retrieval to make it independent of the current application .
• Involved on development of RESTful web services using JAX-RS in a Spring based project.
• Proficient in Application Development/Maintenance using Legacy RPI l anguages.
• Worked on XML and JSON for transferring and retrieving data between different applications.
• Wrote services to store and retrieve user data from MongoDB for the application on devices.
• Websphere is used as an Application Server to Deploy the Application.
• Experience in using JUnit and build tools such as MAVEN.
• Collaborated with testers and developers and prepared test plans for producing high quality software applications
• Worked on Log4j for logging errors, messages and performance logs

Environment: Java 1.8, J2EE, HTML5, CSS3, JQuery, Bootstrap, JavaScript, AngularJS, NodeJS, Hibernate, Spring MVC, Spring IOC, Spring Boot, Spring Security, XML, JSP, JUnit, Maven, IBM WebSphere, Apache Camel, JAX-WS, RESTful, Amazon Web Services (AWS), Micro Services, Log4J, Mongo DB and Spring Tool Suite.

Confidential, Woonsocket, RI

Sr. Java/J2EE Developer

Responsibilities:

• Involved in all phases of Software Development Life Cycle process using Agile Methodology.
• Developed presentation layer using HTML5, CSS3, Bootstrap, JQuery and Angular JS.
• Design and developed template based User Interface using Bootstrap and Angular JS .
• Handled all the client side validations, slide show, hide and show controls, dropdown menus and tab navigation using JQuery .
• Designed and developed application using Spring Framework modules like Spring IOC, Spring AOP and handled security using Spring Security Oauth.
• Spring MVC model integration for front-end request action controller and Spring AOP for logging purposes.
• Used Spring IOC for dependency injection and developed controllers for handling Http requests and providing Http response.
• Developed REST and SOAP based Web Services for data retrieval to make it independent of the current application .
• Implemented RESTful web services using JAX-RS and Jersey as provider.
• Implemented Service Oriented Architecture by SOAP based Web Services with JAX-WS and WSDL.
• Worked on XML and JSON for transferring and retrieving data between different applications.
• Involved in using JPA (Java Persistence API) frameworks and APIs as JDO and Hibernate.
• Developed the DAO layer for the application using Spring Integration and Hibernate template support.
• Used JMS API for communication between the components.
• Established connection to Oracle database with Spring Integration, Hibernate and created POJOs for mapping with the database tables.
• Experience in writing complex PL/SQL queries using joins, Stored Procedures, Functions, Triggers, cursors, and indexes in Data Access Layer.
• Developed test cases for Unit Testing, Integration Testing with JUnit.
• Collaborated with testers and developers and prepared test plans for producing high quality software applications
• Worked on Log4j for logging errors, messages and performance logs.
• Used Maven as build automation tool and deployments are on Web Sphere Application Server.
• Jenkins for Continuous Integration and Spring Tool Suite (STS) IDE for application development.

Environment:: Java, J2EE, HTML5, CSS3, Bootstrap, JQuery, AngularJS, Spring IOC, Spring AOP, Spring MVC, Spring Security, Hibernate, JDBC, REST, SOAP, JAX-RS, JAX-WS, WSDL, Service Oriented Architecture, JMS, Oracle, SQL, PL/SQL, Unit Testing, JUnit, Log4j, Maven, Web Sphere Application Server, Jenkins and Spring Tool Suite (STS).

Confidential, Columbia, SC

Java/J2EE Developer

Responsibilities:

• Involved in all phases of the Software development life cycle (SDLC) using Agile Methodology.
• Developed User Interface using JSP, JSTL, HTML, CSS, Java Script, JQuery and Angular JS.
• Developed client side application with Angular JS in a clean Model View Controller (MVC) Architecture.
• Involved in component development using J2EE principles and used design patterns such as Singleton, Factory and Data Access Object (DAO) in the implementation of the application.
• Used Spring MVC and Dependency Injection for handling presentation and business logic.
• To maintain loose coupling between layers published the business layer as services and injected necessary dependent components using Spring IOC and published cross cutting concerns like Logging, User Interface exceptions, Transactions using Spring AOP.
• Integrated Spring DAO for data access using Hibernate.
• Implemented persistence framework using Hibernate & Handled Transaction Management using the provided data source.
• Used Spring Security for Authentication and Authorization of the application.
• Extensively used JSON to parse the data from server side to satisfy the business requirement.
• Responsible for designing Hibernate mapping files based on business logic and Object relationships.
• Integrated Spring and Hibernate together and worked on developing backend components and services using Hibernate and spring.
• Established Database Connectivity using JDBC, Hibernate O/R mapping with Spring ORM for Oracle.
• Worked on Hibernate for mapping the java objects to relational database and SQL queries to fetch the data, insert and update the data from the database.
• Used Hibernate in Data Access Layer to access and update information in the database.
• Extensively used HQL and SQL for querying databases.
• Consumed Web Services to interact with other external interfaces in order to exchange the data in different forms by using Restful service.
• Implemented SOA architecture with Web Services using SOAP, WSDL, UDDI and XML using Apache CXF framework and worked on parsing the XML files using DOM/SAX parsers.
• Created tables, triggers, PL/SQL Stored Procedures, SQL queries, Joins, i2ntegrity constraints and views for IBM DB2.
• Used Multithreading in programming to improve overall performance using Singleton design pattern in Hibernate Utility class.
• Implemented Restful and SOAP based Web Services and used Soap UI for testing.
• Used Spring JMS module for lookup for the queues and MDBs for the listeners.
• Involved in Unit Testing of various modules by generating the Test Cases.
• Performed deployment of applications on Web Logic Server.
• Written LINUX shell scripts to identify user login information.
• Involved in day to day handling of JIRA issues (production issues at time) that involved data inconsistencies that required to be solved in very less time.
• Worked with Eclipse IDE and used Gradle build tool to achieve more functionality for build process.
• Used Jenkins as build management tool for continuous integration process and used Git as Version Control tool.
• Involved in Bug fixing of various modules that were raised by the testing teams in the application during the Integration testing phase.
• Participated in Code Reviews of other modules, documents, test cases.

Environment:: Java, J2EE, HTML, CSS, JavaScript, JSP, JSTL, JQuery, Angular JS, Spring IOC, Hibernate, XML, XSD, Web Services, Restful, SOAP, WSDL, Log4j, JUnit, DB2, Web Logic, Jenkins, Gradle, GIT, Eclipse, JIRA, Agile Methodology, Windows, Linux, Rational Rose.

Confidential, Phoenix, AZ

Java/J2EE Developer

Responsibilities:

• Involved in development, unit testing, performance tuning, application support & maintenance in Information Technology and analyzing the online trading strategies and developing the application using Object Oriented Application & Design (OOAD).
• Involved in all phases of Software Development Life Cycle process using Agile Methodology.
• Developed presentation layer using HTML5, CSS3, Bootstrap, JQuery and Angular JS.
• Design and developed template based User Interface using Bootstrap and Angular JS .
• Handled all the client side validations, slide show, hide and show controls, dropdown menus and tab navigation using JQuery .
• Updated/modified JSP pages using Struts tags, used JQuery and its validator plugin for validating Forms in the presentation layer.
• Used Ajax and JSON to send request to server and updating GUI pages using callback functions.
• Implemented Ajax for couple of navigation screen flows for asynchronous calls.
• Configured new actions, result types and global errors in struts.xml and used struts tiles to create application web pages.
• Worked on design patterns which include decorator, facade, front controller, Intercepting filter and MVC.
• Developed REST based services using Spring REST API and Apache CXF .
• Involved in creating Hibernate configuration files for session factory and transaction manager and created Hibernate mapping files for java classes using table per class hierarchy strategy.
• Worked on persistence layer, developed Hibernate DAO classes to persists objects into database.
• Used apache common digester to parse data from XML files and populate data into java beans.
• Used HQL (Hibernate Query Language ) and Query criteria to interact with data base ( Oracle )
• Used Spring Dependency Injection, spring application context features in the application.
• Involved in creating Spring Web services for Claims Inquiry transaction.
• Used spring AOP to log agent’s statistics.
• Developed the solution for application security including Tomcat server security, LDAP authentication and authorization (users have restricted permission to the application depending on their roles).
• Responsible for Unit Testing using JUnit and Regression Testing . Used Mongo DB for database Storage.
• Utilized Log4j for request/response/error logging.
• Developed the build scripts using Maven
• Involved in production bug fixes, analyzing and improving overall application performance.
• Deployed the applications using WebLogic Application server.
• Used SVN as version control tool.
• Actively participated in production support.

Environment: Java, JSP, Servlet, HTML5, CSS3, JavaScript, JQuery, AJAX, AngularJS, Struts, Spring, Hibernate, LDAP, JAXP, JAXB, JMS, SVN, WebLogic, Oracle, RESTful Web Logic, ANT, and AXIS.

Confidential

Java Developer

Responsibilities:

• Involved in Requirement Analysis, Design, Development and Testing of the risk workflow system.
• Involved in the implementation of design using vital phases of the Software development life cycle (SDLC ) that includes Development, Testing, Implementation and Maintenance Support in WATER FALL methodology.
• Created user-friendly GUI interface and Web pages using Struts, JSP, HTML, CSS, AJAX, JQuery and JavaScript.
• Responsible for designing, coding and developed the application in J2EE using Struts MVC.
• Implemented Struts framework (Action & Controller classes) for dispatching request to appropriate classes.
• Used simple Struts Validation for validation of user input as per the business logic and initial data loading.
• Achieved synchronization of multiple threads through Multithreading and Exception Handling.
• Extensively used JSON to parse the data from server side to satisfy the business requirement.
• Developed Struts Action Forms, Action classes and performed action mapping using Struts.
• Developed batch job using EJB scheduling and leveraged container managed transactions for highly transactions.
• Involved in developing Web Services to send XML request and reading the response SOAP UI from Java platform.
• Used various Core Java concepts such as Multi-Threading, Exception Handling, Collection APIs, Garbage collections for dynamic memory allocation to implement various features and enhancements.
• Consumed Web Services to interact with other external interfaces in order to exchange the data in different forms by using Restful service.
• Established Database Connectivity using JDBC for Oracle.
• Used Log4J for application logging and notification tracing mechanisms.
• Developed the ANT scripts for preparing WAR files used to deploy J2EE components.
• Analysis and Bug fixing of the production problems and defects along with enhancements.
• Implemented JUNIT test cases for unit testing and Suites for end to end testing.
• Used JIRA for tracking the Project Stories and bug fixing.
• Used SVN to check-in and check-out and co-ordinate among team members for Version Controlling.

Environment: Java, HTML, CSS, JSP, AJAX, JQuery, JavaScript, JSON, XML, Struts, JDBC, IBATIS, Web Services, SOAP UI, Restful, HQL, SQL, JBOSS, Oracle, ANT, Eclipse IDE, J2EE, JUNIT, JIRA and Tortoise SVN.

Confidential

Jr. Java Developer

Responsibilities:

• Involved in Documentation and Use case design using UML modeling include development of Class diagrams, Sequence diagrams, and Use Case Transaction diagrams.
• Developed the application using Struts Framework that leverages classical Model View Controller ( MVC ) architecture.
• Created user-friendly interface using HTML, CSS, JSP and JavaScript for client-side validation.
• Designed the user interfaces using JSP s, developed custom tags, and used JSTL .
• Implemented Multithreading and Collections in java code.
• Used AJAX for dynamically updating the content
• Used Eclipse as IDE tool for creating Servlet, JSP, and XML .
• Developed various java business classes for handling different functions.
• Implemented Business processes such as user authentication, Transfer of Service using Session EJBs
• The application was deployed on the JBoss .
• Involved in build and deploying the application using ANT .
• Wrote SQL for JDBC prepared statements to retrieve the data from database.
• Developed PL/SQL queries, Triggers and Stored Procedures to check the integrity of the data and actively involved in tuning SQL queries.
• Developed JUnit test cases for all the developed modules. Used SVN as version control
• Monitored the logs using Log4j and fixed the problem

Environment: Java, J2EE, JSP, Struts, JNDI, DB2, HTML, CSS, EJB, XML, DOM, ANT, AJAX, JUnit, Eclipse, JBoss, MYSQL, LOG4J, SVN.