SUMMARY

• 6+ years of experience in analysis, design, development and implementations of client/server, database and/or Intranet - based applications using Java, J2EE technologies
• Strong expertise in all phases of Software Development Life Cycle - Software requirement analysis, design, development and Testing
• Experienced in designing and developing enterprise and web applications using Java and J2EE technologies like Java, Servlet 2.4/ 2.5/3.0, JSP 2.0/2.1/2.2, JDBC, JNDI, JPA, JAX-WS, Struts1.1/1.2/2.0, EJB 3.0/3.1, Spring 2.0/2.5/3.0, Hibernate 2.0/3.0/3.2, Web Services, XML, Junit
• Experience in XML related technologies like XSL, XSD, XPATH, DTD, and XML Schemas, XML Parsers like DOM & SAX.
• Experience on Web Technologies using HTML4/5, CSS2/CSS3, XHTML, DHTML, JavaScript, jQuery, AJAX, JSF, AngularJS, React JS, XML and JSON
• Experience with Core Java concepts like Collections Framework, multithreading, memory management.
• Experience in using ORM frameworks like Hibernate, JPA and integrating with Spring ORM.
• Experience in building web applications using Spring framework features like Spring MVC, Spring Context, Spring Data, Spring AOP, Spring ORM, Spring Batch and Spring Security.
• Experience in building Microservice applications using Spring Boot for developing RestFull web services.
• Managed Amazon Web Services (AWS) like EC2, S3 bucket, Lambda, Auto-Scaling through API Integration.
• Expertise in developing web servicesusing SOAP, WSDL, RESTful, JAX-WS, JAX-RS, JAX-RPC, AXIS, and JERSEY.
• Experienced in using Log4j and good expertise in Ant Tool, Maven and Gradle.
• Experience in using the Integrated development environments like Eclipse 3.2/3.3/3.5/4.2 , Rational Application Developer 6.0/7.0, IBM Web Sphere Studio Application Developer (WSAD) 5.0, and IntelliJ for Java/J2EE development
• Experience in database development using SQL, T-SQL and PL/SQL in Oracle (9i, 10g and 11g), DB2 and SQL Server environments
• Experience in writing complex SQL Queries, Stored Procedures, Triggers, Cursors, and Functions
• Experience in Shell Scripting, Knowledge of other scripting languages like Python, Ruby.
• Worked on different Application Servers like WebLogic 9.1/10.0/10.3/11 g, WebSphere 6.x/7.x, JBOSS 4.2/6.1 Server and Web Server like Apache Tomcat 5.X/6.X/7.X
• Good experience on Design Patterns (J2EE) like Singleton, Factory Method, DAO, Session Facade, Front Controller, Service Locator and Delegate Pattern
• Experience and working knowledge of Agile Methodology (Scrum, extreme programming and Unified process), Rational Unified Process and Test-driven development (TDD)
• Experience in using version control tools like SVN, CVS, GIT and Clear Case

TECHNICAL SKILLS

Programming Languages: C, C++, Java, J2EE, PL/SQL, Unix Shell Scripts

Java/J2EE Technologies: Servlets 2.4/2.5/3.0, JSP 2.0/ 2.1/2.2, EJB 3.0/3.1, JDBC, JSTL, JMS

Frameworks: Struts 1.1/1.2/2.0, Hibernate 3.0/3.2, Spring 2.5/3.0, CXF, MyBatis

Web Technologies: HTML5, DHTML, XHTML, CSS3, Java Script, jQuery, AJAX

Application/Web Servers: Apache Tomcat 5.x/6.x/7.x, JBOSS 4.x/3.x, IBM Web Sphere 5.x/6.x, Web Logic / 9.1/10.0/10.3/11 g

UI frameworks: Angular JS, React JS, JSF

IDE Tools: Eclipse 3.2/3.3/3.5/4.2 , RAD 6.0/7.0, WSAD 5.0, IntelliJ

Build Automation: Ant, Maven, Gradle

RDBMS: Oracle 9i/10g/11g, Microsoft SQL server2008, DB2

XML/Web Services: XML, XSD, DTD, SAX, XSLT, WSDL, XML-RPC, DOM, JAXP, XPATH RESTful, SOAP

Operating Systems: Windows NT/2000/XP/Vista/Windows 7, UNIX

Configuration Management tools: Clear Case, SVN, GIT, CVS

Unit testing framework: Junit, Mockito

PROFESSIONAL EXPERIENCE

Confidential - Minneapolis, MN

Java/J2EE Developer

Responsibilities:

• Involved in various phases of Software Development Life Cycles (SDLC) like Design, Development and testing phases, and developed Use Case diagrams, Class diagrams, and Sequence diagrams.
• Used, participated in Agile Methodologies for design and development of the applications.
• Developed Business components using core java concepts and classes like Interface, Polymorphism, Collections, Serialization and Multithreading etc.
• Improved the performance of the backend batch processes using Multithreading and concurrent package API.s
• Developed client/server and N-tier web applications using Java, J2EE, Apache Struts framework and Spring (MVC) framework.
• Worked on the migration of a legacy application which was built in Struts to Spring based application.
• Involved in the Development of Spring Framework Controllers. Developed Controller for request, response paradigm by Spring Controllers using Spring-MVC.
• Used Spring Data, JPA and Hibernate to create light weight web and app integration layer.
• Worked extensively on the spring framework, implementing Spring MVC, Spring Security, IOC (dependency injection) and Spring AOP.
• Used Spring integration for integrating the application with Microservices using spring integration workflow files.
• Used Postman to test the REST Services.
• Worked on service-oriented systems that utilize REST web frameworks, SOAP and message queue technologies (Spring MVC 4, Spring REST Template, ActiveMQ server, Spring Integration).
• Used J2EE design patterns like DAO, DTO, and Service Locator etc.
• Created Spring MVC - REST based JSON Services, used Rest Template for making a client call to JAX-RS web services with JERSEY implementation.
• Used micro service architecture, with Spring Boot-based services interacting through a combination of REST and MQ and leveraging AWS to build, test and deploy Identity micro services.
• Worked onAWScloud services like EC2, S3, and EBS for installing, configuring and auto scaling.
• Amazon EC2 is also used for deploying and testing the lower environments such as Dev and Test.
• Worked with AWS cloud service in creating EC2 instances and providing them roles and sometimes participated in writing custom policies and deployed applications on Elastic Bean Stalk and EC2.
• Worked with Docker to deploy Micro-services in modern containers to increase Isolation.
• Used Redis as a distributed key-value store to track concurrent user activities on a given loan account.
• Exposed REST endpoints using Camel REST DSL.
• Used EIP patterns like Message Transformation and Message Splitting.
• Used Camel Components like HTTP/HTTPS, SQL and AWS S3.
• Object storage service Amazon S3 is used to store and retrieve media files such as images.
• Involved in implementing the rules in ILOG (Rules Engine) as per the requirements.
• To facilitate OAuth2.0 based authentication and authorization, we have used the open source framework ‘APIs’ (APIs Secure), a project from OAuth-Apis in the github.
• Implemented the front end using HTML5, CSS3, JavaScript and used Angular JS, Bootstrap, AJAX to get the data from the server asynchronously by using JSON objects.
• Implemented reusable custom directives using AngularJS using restrict, event handlers and templating.
• Wrote Rest services to feed data to an application with AngularJS framework.
• Used Tomcat for the web deployments.
• Used Oracle as Database and used Toad for queries execution and Involved in writing SQL scripts, PL/ SQL code for procedures and functions.
• Prepared Unit test cases using JUnit and integration testing.
• Used GIT and SVN for source control and Jenkins for continuous integrations.
• Worked on Jira for User requirements and used Jira as bug tracking tools.

Environment: Java 1.8/J2EE, Linux, Apache Camel, Redis, HTML, Spring 4.0, Hibernate, SOAP, RESTful, Agile Methodology, Spring Boot, Micro Services, CSS3, JavaScript, Servlets 3.0, AngularJS, AWS, S3, EC2, Eclipse 4.4, JQuery, Unix Shell Scripting, Oracle 11g, AJAX, Apache Tomcat 8.0, GIT, SVN, Docker, Maven, Gradle, JUnit 4, Log4j, Jira, Jenkins.

Confidential - Woonsocket, RI

Java/J2EE Developer

Responsibilities:

• Used, participated in Agile Methodologies for design and development of the applications.
• Involved in Scrum meetings for effective development.
• Involved in complete Software Development Life Cycle (SDLC) with Object Oriented Approach of client’s business process and continuous client feedback.
• Setup Drools Rule Engine on JBOSS server and manage configuration.
• Involved in writing javaAPI for Amazon Lambda to manage some of theAWSservices.
• Used Micro-services to ensure the scalability of application on cloud infrastructure.
• Developed application modules using Spring MVC, Spring Annotations, Spring Beans, Dependency Injection, with database interface using Hibernate.
• Used SpringMVC front controller pattern to handle requests starting with dispatcher servlet to handle incoming requests.
• Implemented Spring Bean Factory to create proxied object using AOP Framework
• Experience with SAML single sign on configuration.
• Used Spring Security framework to set up authentication and authorization for the application using firm wide single sign on (SSO).
• Involved in the design and development of Batch Jobs using SpringBatch Architecture
• Used Hibernate as an ORM mapping tool and worked with Hibernate Query Language (HQL).
• Worked on backend logic using Servlets, EJB, Hibernate and JDBC
• Defined the Hibernate Configuration File, Hibernate Mapping using annotation and created classes to persist the data.
• Developed Message Driven Beans (MDB) as Queue listeners for JMS queues.
• Development of Application based on J2EE using JSP, Servlets, Spring Framework, and Rest Web Services with JMS.
• Developed RESTful web services using Java, Spring Boot, NoSQL databases like MongoDB.
• Used AJAX to call the REST API methods and connect to the backend.
• Implemented SOAP messages for information exchange for Web services.
• Worked on REST-SOAP transformation for services calls.
• Produced and consumed the web services data in the form of JSON, XML.
• Created different XML documents using XML, XSD and XSLT. Used E4X and Light DOM parser, and SAX parser for transforming the XML data.
• Developed classes using core java (multithreading, concurrency, collections, memory management) and some spring IOC.
• Designed & developed the UI application using React JS, Rest, Spring MVC, SpringData JPA, Spring Batch, Spring Integration& Hibernate.
• Developed various screens for the front end using React JS and used various predefined components from NPM (Node Package Manager) and Redux library.
• Used React JS for templating for faster compilation and developing reusable components.
• Created dynamic forms for displaying the data in the React DOM according the information from backend.
• Used React JS for templating for faster compilation and developing reusable components.
• Implemented business logic in Middle Tier using pluggable components, which were specified in the customized xml documents.
• Monitor of Site-Minder server logs for identifying problems with Authentication and authorization of users.
• Wrote test cases which adhere to a Test-Driven Development (TDD) pattern.
• Developed Maven configuration files to load the context of the application.
• Used GIT for source control and Jenkins for continuous integrations
• Worked on Jira for User requirements and used Jira as bug tracking tools.
• Involved in unit testing, integration testing, SOAP UI testing, smoke testing, system testing and user acceptance testing of the application.
• Developed functions and store procedures using SQL for the Application.
• Wrote database queries using SQL and PL/SQL for accessing, manipulating and updating Oracle Database

Environment: Java 1.7/J2EE, Linux, HTML, Spring 4.0, Hibernate, AWS, RESTful, Agile Methodology, CSS3, JavaScript, Servlets 3.0, Spring Boot, React JS, MongoDB, Eclipse 4.4, JQuery, Unix Shell Scripting, AJAX, JBOSS EAP 6.1, JUnit 4, Log4j, GIT, Jira, Jenkins, SQL.

Confidential - Houston, TX

Java/J2EE Developer

Responsibilities:

• Responsible for the analysis, documenting the requirements and architecting the application based on J2EE standards.
• Participated in designing of Use Case, Class Diagram and Sequence Diagram for various Engine components and used IBM Rational Rose for generating the UML notations.
• Implemented SSO using SAMLand WS-Federation services
• Used theJavaCollections APIextensively in the application as security protection for XML, SOAP, REST and JSON to make a secure Web Deployment.
• Developed Jersey Restful Framework of Spring for consuming and producing web services.
• Developed server-side services using Java, Spring, Web Services (SOAP, Restful, WSDL, JAXB, JAX-RPC)
• Experience using SOAP UI for testing web services.
• Implemented Java Web services based on SOA architecture with SOAP and WSDL.
• Implemented different Design patterns like DAO, Singleton Pattern and MVC architectural design pattern of spring framework.
• Used Spring Batch for certain scheduled jobs.
• Used Spring IOC to inject DAO objects into the Business delegate classes.
• Developed the web tier using JSP, Spring MVC
• Involved in design and development of service layer and data access layer using Spring, Hibernate and JPA.
• Development of hibernate objects for data fetching for batch and front-end processing
• Integratedand implementedHibernatewith spring frame work.
• Used Hibernate ORM for the persistence layers. Involved in design of XML Schemas (XSD) for data feeds like product data and users orders.
• OAuthis used for authorization and to log in to third party websites.
• Responsible for Web UI development in JavaScript using jQuery, AngularJS, and AJAX.
• Designed dynamic and browser compatible pages using HTML5, DHTML, CSS3 and JavaScript.
• Used JavaScriptlibraries to create slider and page-turning animations on calendar widgets.
• Developed the jQuery callback functions to implement asynchronous communication using AJAX.
• Experience developing web pages using Angular.js Framework and familiar with various Angular JS directives and services.
• Built Web pages that are more user-interactive using jQuery plugins for Drag and Drop, AutoComplete, AJAX, JSON, Angular JS, JavaScript and Bootstrap.
• Used AngularJS for DOM Manipulation, Filters, and Directives.
• Used AngularJS and Bootstrap to consume service and populated the page with the products and pricing returned.
• Designed in-house build automation and continuous integration systems by utilizing Node.js.
• Developing Intranet Web Application using J2EE architecture, using JSP to design the user interfaces and Hibernate for database connectivity.
• Implementing JSP Standard Tag Libraries (JSTL) along with Expression Language (EL).
• Extensive use of Core Java Collections, Generics, Exception Handling, and Design Patterns for functionality, such as portfolio summary and user information.
• Designed and developed Controller Servlet, which will route request to Application Controller and followed HTML 5 standards to work with cross browser and mobile compatibility.
• Used XSL to transform XML data structure into HTML pages.
• Experience using different jQuery plugins for the web pages.
• Experience working on and using Jira.
• Enriched UI using JSF UI Components and Backing Beans, JSF, JMS involved in configuring faces-config.xml for navigations, controllers.
• Developed various EJB components to fulfill the business functionality.
• Developed applications using NO SQL MongoDB for proof of concept.
• Involved in writing the Java utility classes to convert MQ based control claimant information.
• Extensively Worked with Eclipse as the IDE to develop, test and deploy the complete application.
• Written SQL queries, stored procedures modifications to existing database structure as required per addition of new features and automated using IBatis.
• Implementing TDD (Test driven Development) for new enhancements to drive the application to minimum defects zone
• Written JMeter script to automate monitoring and ordering virtual product license for test environments.
• Used Junit and Mockito for testing the application and log4j for logging the application.
• Used Maven build tool to build and deploy the application and Hudson for continuous integration.

Environment: Java 1.7/ J2EE, Spring-Hibernate integration framework, JSP 2.2, SQL Server 2008, Hibernate, PL/SQL, XML, Weblogic 11g, Eclipse 4.2, Spring web flow, Maven, Dozer frame work, Mockito, REST web service, JavaScript, jQuery, JSON, HTML 5, MQ, CSS 3, AJAX, MongoDB, OAuth, Unix Shell Scripting, XSL, Jira, Junit 4, GIT, Bootstrap, Angular JS, Apache Tomcat.