SUMMARY

• Over 8+ years of experience in IT Industry as a Java/J2EE Developer involving in Analysis, Design, testing of web based and client server multi - tier applications that use Java/J2EE technologies.
• Extensive knowledge and experience on all phases of Software Development Life Cycle (SDLC) mainly on Test Driven Development (TDD), Agile and Waterfall methodologies.
• Excellent understanding of Object Oriented design methodology and Core Java concepts.
• Strong knowledge on Model View Controller (MVC) framework and Data Access Objects (DAO) layer.
• In-depth knowledge in implementing J2EE Design Patterns.
• Knowledge on various open source frameworks like Struts and Spring.
• In-depth knowledge in using J2EE technologies such as JSP, Servlets, JDBC.
• Experiences in major web application server like Apache Tomcat, Apache Camel, JBoss, WebLogic.
• Experience in designing web applications with front-end technologies like HTML, XML, JavaScript, JQuery, CSS, Ajax and Bootstrap.
• Knowledge of development in Java, AngularJS, Node.js, SQL and JavaScript, HTML, CSS.
• Strong knowledge in back-end databases like Oracle 9i/10g/11g, SQL Server 2000, DB2 7.3
• Knowledge of NoSQL databases such as Cassandra, Elastic Search, MongoDB.
• Experience in using various Amazon Web Services (AWS) Components like EC2 for virtual servers, S3 and Glacier for storing objects, EBS, Cloud Front, Elastic cache and Dynamo DB for storing data.
• Good working experience in Java web services both SOAP and Restful Web Services, implementing SOA architectures with Web Services using WSDL, SOAP and UDDI.
• Expertise in implementing Web services and JMS for the synchronous and asynchronous communications between two applications running in different servers.
• Experience in using Version Control Systems like CVS, Git and SVN.
• Development experience with Core Java such as IO, Multithreading, Collections, Exception handling, Networking.
• Development of cloud hosted web applications and REST APIs using Spring Boot with embedded Tomcat.
• Expertise in SQL, PL/SQL, Stored Procedures and Database Triggers in Oracle.
• Good Exposure on Testing and Bug Life Cycle.
• Strong experience in software testing and maintenance standards.
• Strong experience in User Interaction, customer support and system maintenance.
• Experienced in application production support and troubleshooting problems.
• Excellent communication, analytical and interpersonal skills and highly motivated team player with ability to work independently.

TECHNICAL SKILLS

Programming Languages: Java 1.6/1.7, J2EE, PL/SQL, C, C++

Java EE Technologies: Servlets 3.0/2.5, JDBC, EJB 3.0, RMI, JPA, JMS

Java EE Frameworks: Spring 4.0, Spring ORM, Spring IOC, Hibernate 3.0, Struts 2.1, JSF 2.0, PowerMock, JavaMail

Markup Languages: HTML, XML, JSP

Scripting Languages: CSS, JavaScript, AngularJS, Node.js, AJAX, JSON

XML Technologies: XSLT, XSD, JAXP (SAX, DOM), SOAP, WSDL, JAX-WS

Middleware Technologies: RESTful and SOAP Web Services.

Application/Web Servers: Apache Tomcat, Web Logic 10.3.6, JBoss.

Environment: s: Eclipse, Net Beans, STS, JBuilder

Databases: Oracle, MySQL, DB2

Design Methods: UML, OOAD, SOA, J2EE Design Patterns

Build Tools: Maven, ANT, Gradle.

Version Control: Clear case, CVS, SVN, Git.

Modeling Tools: MS Visio, Rational Rose, Visual Paradigm

Operating Systems: Windows, Linux, Unix

Others: JUnit, Log4j, Bugzilla, JIRA, AWS, Jenkins, jQuery

PROFESSIONAL EXPERIENCE

Confidential, Austin, TX

Sr. Java Full Stack Developer

Responsibilities:

• Designed use cases for the Application as per the business requirements.
• Participated in requirement gathering and framework implementation sessions through Agile methodology.
• Designed use cases, sequence and class diagrams, activities, states, objects and components. Used UML (MS Visio) for software design.
• Developing presentation layer with JSPs, HTML5, JavaScript, CSS3, Bootstrap, jQuery, JSON, AJAX, AngularJS, Spring Form tags, JSTL Tags.
• Developed AngularJS functionality in the application to provide two-way binding to the system.
• Used Bootstrap &media queries to create Responsive Webpages across the different size of screen from phone or Laptop.
• Used AJAX to handle asynchronous requests & in suggestive search and to display dialog boxes.
• Involved in design and implementation of MVC architecture in different modules.
• Integrated Spring and Hibernate to develop the business layer which serves the data required for JSF beans.
• Wrote the DAO's to access the database using JDBC calls and created aspects using Spring AOP annotation approach.
• Used Hibernate, object/relational-mapping (ORM) solution technique, to map data representation from MVC model and Oracle Relational Data Model with a SQL-based schema.
• Implemented SOA architecture with Web Services using SOAP, WSDL, UDDI and XML.
• Configured JDBC data sources and JMS connection factories in WebSphere.
• Developed SQL queries for retrieving data used to generate the reports.
• Developed Stored Procedures and Triggers on Oracle Database.
• Involved in the development of PL/SQL backend implementation and using SQL created Joins and complex statements.
• Designed and developed the REST based Microservices using the Spring Boot, Spring Data with JPA and used Swagger to interact with API end points of the micro services.
• Development of cloud hosted web applications and REST APIs using Spring Boot with embedded Tomcat.
• Exported SQL data in to Elastic Search to allow much faster and scalable user searches from the database and integrated Java and Angular based application to Elastic Search tier via Spring 4 Restful Controllers communicating to a custom java utility wrapping the Jest API.
• Created Proof of concepts using MongoDB.
• Written variety of filter queries in MongoDB to retrieve JSON data and passed to service layer.

Environment: Java, J2EE, Servlets, JSP 2.5, JUNIT 4.1, Spring 2.5.6/3.0, Spring ORM Spring Form tags JSTL, AWS, Docker, Cloud, EC2, azure, Groovy, Hibernate 3.0, Oracle11g, Apache Tomcat.

Confidential, Dayton, OH

Sr. Java Developer

Responsibilities:

• Responsible for the development of Core Java in this application.
• Implemented the application using Struts 2.1 framework which is based on Model View Controller architecture.
• Created technical design Documents for Hibernate.
• Involved in creation of Low-Level Design including sequence diagrams and class diagrams to comprehend the existing architecture
• Used Spring Core Annotations for Dependency Injection and Spring MVC for REST APIs application with Spring Boot and Microservices.
• Implemented Microservices architecture using Spring Boot to make the application independent.
• Develop Elastic Index API service to index/retrieve data from elastic search instance which is in AWS cloud using Jest client API.
• Wrote Java API to store multimedia files into AWS cloud S3 storage using AWS SDK.
• Used Exception Handling to wrap the exceptions appropriately and show user-friendly error messages to the end users.
• Used Bootstrap to create drop-down menus, forms and modal effects for styling in the application.
• Created visual reporting with Bar & Pie charts using jQuery fusion charts.
• Created Typescript reusable components and services to consume REST API using Component based architecture provided by Angular.
• Developed AJAX featured UI components that targets Spring MVC based server controllers, which returns HTTP response.
• Used Kafka for stateful computations of streaming data to avoid operational overhead and handle a greater number of messages of high volume and high velocity.
• Development of user interfaces using Struts, HTML and client side validations using JavaScript and AJAX.
• Implemented server-side validation implementing business-defined rules with Struts action classes.
• Made use of REST architecture style for building the web services.
• Developed web services using JAX-WS and REST.
• Developed hibernate mapping files, implemented value objects to retrieve the data using Hibernate.
• Developed HQL Queries, SQL and Criteria Queries for database Query Operations including Stored Procedure call.
• Used Eclipse IDE for entire application development and version controlling.
• Made use of tomcat web server for the deployment of the application.
• Implemented a message producer sending XML messages to a JMS queue.
• Used Maven as a build tool for the development of the application.
• Preparation of Junit test cases and testing.

Environment: JDK 1.7, AWS, Core Java, struts 2.1, Hibernate 3.1, Toad, MySQL 5.5, JAX-WS Webservices, Docker, Cloud, EC2, azure, Groovy, REST, SOAPUI, Eclipse 3.0, Tomcat 7.1, UNIX, Junit.

Confidential

Sr. Java/J2EE Developer

Responsibilities:

• Involved in Requirements gathering, Development, Testing and delivery of application.
• Participated in daily stand up and Sprint planning sessions as part of Agile Scrum Methodology.
• Developed the applications using JSP, Struts and implemented MVC Architecture.
• Designed UI pages using JSP, HTML, Angular JS, JavaScript, CSS, AJAX, JQUERY, JSP, JSON and Tag libraries.
• Implemented business tier using Spring IOC, AOP and MVC.
• Involved in using Core java concepts - Collections, Exception Handling, Multi-Threading.
• Involved in ORM mappings for associations, Inheritance & fetching strategy, performing CRUD operations and managing second level cache using Hibernate.
• Worked with NoSQL Cassandra to store, retrieve, and update and manage all the details.
• Utilized RabbitMQ as the messaging middleware.
• Utilized Spring annotations and XML configuration for Dependency Injection.
• Involved in implementing logging, exception handling and transaction management using spring AOP.
• Used Spring Core Annotations for Dependency Injection and used Apache Camel to integrate Spring framework.
• Monitoring agent on each service instance by Microservices monitoring system.
• Developed and debugged the Servlets and deployed WAR in WebSphere Application server.
• Managed Project dependencies and build using Maven.
• Used JAX-B to call web services described by WSDL.
• Tested SOAP web services using SOAP UI and REST web services using REST Client.
• Developed Web Services for data transfer using Restful Webservices.
• Involved in building the code & deploying on JBoss application server.
• Implemented agent-server messaging dialog using Camel and JMS (Active MQ implementation)
• Involved in setting up Connection pooling and used JMS for Asynchronous messaging.
• JUnit/Mocha tests were written to test each module in the application.
• Developed Test-driven development (TDD) strategy guiding use of the JUnit testing framework.
• Developed Scripts for AWS Orchestration
• Worked on power DNS on the AWS cloud and maintained it with MySQL database.
• QA, UAT & Production issues investigation and supporting business users.
• Worked with the middleware team and DBAs regarding the database issues and code deployments.

Environment: Java 1.7, JDK 1.6, Eclipse 3.3, JSF, HTML, Oracle 10g, Spring 2.5, Hibernate 3.0, Ajax, XML, AWS, WebLogic.