SUMMARY:

• A motivated proactive professional about 8 years of experience, coupled with strong analytical and adaptive skills in implementing various business applications and products using JAVA/J2EE technologies.
• 8 years of IT Experience in developing, deploying, and managing Web/Enterprise based applications, client/server based applications and extensive relational database based applications.
• Extensive experience in design and development of J2EE applications using Core Java, Java collections, JDBC, Servlets, JSP and Expert in Core - Java with strong understanding of Collections/Generics, Event/Exception handling, Multithreading/Concurrency.
• In depth knowledge of Object Oriented Analysis and Design (OOAD), Design Patterns and Service Oriented Architecture (SOA).
• Very good at web development using HTML, XHTML, XML, CSS, PHP, JavaScript, JQuery, and web design using Bootstrap.
• Expert in developing Interactive Single page, responsive, and Event driven applications using AngularJS, NodeJS, ReactJS, BackboneJS, and Ajax.
• Experienced in using Web/Application servers like Nephos, IBM WebSphere, WebLogic, JBoss, Glassfish and Tomcat.
• Experienced in building API using REST and SOAP and consuming third party REST/SOAP web.
• Strong Knowledge in XML technologies including XML, XSD, XSLT, JAXP (DOM, SAX, JDOM), JAXB (Castor, XML Beans).
• Extensive experience in all phases of Software Development Life Cycle (SDLC) and methodologies including Waterfall and Agile.
• Very good experience in working with Spring framework ( Spring IOC, DI, and AOP ), Struts framework, Hibernate, JPA and MVC architecture.
• Worked on Hibernate for mapping the java objects to relational database and SQL queries to fetch the data, insert and update the data. Expertise in HQL & SQL Queries.
• Hands on experience in back-end procedure development, for Database Applications using Oracle, DB2, SQL and PL/SQL, SQL Server.
• Expertise in implementing client-server business applications using Micro services.
• Experience in writing ANT, Maven build scripts, providing logging facility using Log4j and Writing JUnit test cases.
• Utilized Postman for verifying the smooth workflow of the application.
• Configured and used JIRA for bug tracking and functional testing.
• Having good knowledge in NOSQL data bases like DynamoDB, MongoDB and Cassandra.
• Experience in using version control systems such as SVN and GIT.
• Exposure in the implementation of various Amazon Web Services (R53, Amazon EC2, Amazon S3, Amazon Simple DB, Amazon SQS, Amazon Cloud, Amazon RDS, Amazon Elastic Load Balancing and Amazon EBS).
• Knowledge of event sourcing and distributed message systems like Apache Kafka
• Experience in Continuous Integration (CI) and Continuous Deployment (CD) process systems using Bamboo, Jenkins.
• Hands on experience with automated test tools such as Cucumber, Selenium.
• Excellent analytical and problem-solving skills and thrive on building world-class software quality assurance systems and processes that ensure the delivery of perfect applications.
• Exceptional ability to quickly master new concepts and capable of working in-group as well as independently with excellent communication skills.

TECHNICAL SKILLS:

Programming Languages: C, C++, Java, J2EE

Frameworks: Spring 4.0, Spring MVC, Struts 2.3.3, Hibernate 4.3.0

Web Services: XML, WSDL, SOAP, REST, JAXP, JAXB, XMLBEANS

ClientSide Technologies: JavaScript, AJAX, jQuery 1.11, Angular

Application Servers: IBM Apache Tomcat, Glassfish, WebSphere, JBOSS, WebLogic.

Database Tools: Oracle 11g,10g/9i, MySQL, Mongo DB, Dynamo DB, Cassandra

Cloud Technologies: AWS, Google Cloud

Build management: Ant, Maven

Utilities: Log4j, JUnit, JIRA, POSTMAN

Java IDEs: NetBeans, Android Studio, IBM RAD, Eclipse, Spring Tools Suite.

Operating Systems: Windows 2000/XP/7/10, Linux, Unix, Mac

PROFESSIONAL EXPERIENCE:

Confidential, Denver, CO

Sr. Java Developer

Responsibilities:

• Involved in Daily Scrum (Agile) meetings, Sprint planning, grooming to gather & understand requirements and estimation of the tasks for the user stories, participated in retrospective and presenting Demo at end of the sprint.
• Used Test Driven Development (TDD), Unit Tests (Junit, Mockito), Gradle, JIRA issue navigator, GIT as a part of everyday tasks.
• Developed the unit test cases in Test Driven Development (TDD) and mock testing using JUNIT and Mockito frameworks.
• Developed Web applications using Java, J2EE, Struts and Hibernate.
• Actively involved in coding using Java 1.8, Spring 4.x to develop features from end to end.
• Designed and implemented an application using Spring MVC, Spring IOC, Spring Transactions, Dependency Injection using Spring Annotations, Spring AOP, Spring Container-managed transactions, and Hibernate.
• Used Spring Security for authentication and authorization of users, Spring JDBC for easy database operations using JDBC template and Spring Boot for easy bootstrap applications from scratch.
• Used spring's test framework to create integration tests for various spring controllers to test our API using unit tests.
• Developed Microservices using Spring MVC, Spring Boot, Spring Cloud.
• Used a Microservices architecture, with Spring Boot-based services interacting through a combination of REST and Spring Boot.
• Implemented RESTful Web services to retrieve data from client side and made REST API calls from Node JS, parsed the data to project to client and handled the security and Authorization using Spring Security or OAuth.
• Maintained high-quality RESTful services and implemented REST web Services using Spring MVC and JAX-RS.
• Wrapped the web application to desktop application using electron.js.
• Worked with Node.js to make calls to the web services using URL’s which would perform GET, PUT and POST operations on the server.
• Involved in the configuration and administration of AWS (Amazon Web Services), EC2 (Elastic Cloud Computing) resources such as instances, EBS volumes, snapshots, elastic load balancers.
• Involved in deploying systems on Amazon Web Services (AWS) Infrastructure services EC2.
• Extensively used hibernate named queries, criteria queries, Hibernate Query Language (HQL) to interact with database to perform database operations.
• Developed Data Access Layer using Hibernate ORM framework, Spring JDBC and Spring Transactions.
• Implemented and managed high availability (Replication) and load balancing (sharing) cluster of Mongo DB having TB’s of databases.
• Hands on experience with data base design in both SQL and NO-SQL databases
• Create SQL queries to join tables, aggregate data and modified PL/SQL queries to match the business requirements.
• Used Selenium for performing automated testing.
• Involved in the development of presentation layer and GUI responsive development using JSP, HTML5, CSS/CSS3, Bootstrap, jQuery.
• Responsible for setting up Angular 4 framework for UI development.
• Participated in front end development using Angular 4, JavaScript, HTML5, CSS 3.0, JSON and Bootstrap.
• Experience in developing prototypes using responsive frameworks like Bootstrap.

Environment: Java 8, HTML5, CSS3, JavaScript, jQuery, XML, JSON, Angular 4, Bootstrap, Node JS, Electron JS, AWS, Spring, Struts, Hibernate, Struts, Oracle, PL/SQL, MongoDB, web service (RESTful), WebSphere, JUnit, JIRA, Mockito, Gradle, Selenium.

Confidential, El Paso, TX

Sr. Java Developer

Responsibilities:

• Involved in the design discussions and understanding of business requirements.
• Identified the relevant functional and technical requirements.
• Used AGILE methodology and actively participated in Scrum meetings to produce quality deliverables within time.
• Created object modeling using UML2.
• Created Class Diagrams, Sequence Diagrams and Activity Diagrams to describe the relationship that exists among system's object in accordance with the business requirements.
• Involved in the Development of various layers to accommodate the application as per the MVC design pattern, DAO and DTO patterns using Spring, Struts and Hibernate.
• Involved in system design and Core java 8 development using Collections Framework, Exception Handling, I/O System, Multi-Threading, Lambdas, Streams, Parallel Streams, Functional Interfaces, and JDBC for the action classes.
• Developed interactive and dynamic web pages using hand coded semantic HTML5, CSS3, JavaScript, jQuery, Angular 2 and Bootstrap.
• Designed dynamic client-side JavaScript codes to build web forms and simulate process for web application, page navigation and form validation.
• Designed and developed XSLT transformation components to convert data from XML to HTML.
• Used XML DOM API for parsing XML.
• Extensively used Spring IOC, configured Application Context files and performed database object mapping using Hibernate annotations.
• Spring AOP was used for intercepting the SOAP requests and for logging requests and also for transaction management.
• Used Hibernate Template and Core Hibernate in data access layer to access and update information in the database.
• Developed Web services to allow communication between applications through REST.
• Worked on performance tuning of cluster using Cassandra, configured internode communication between nodes and client using SSL encryption.
• Used Maven to build the application and deploy it on to the server.
• Deployed applications on WebSphere Application Server and performed required configuration changes.
• Maintained version control of the Java files with SVN and GIT.
• Used Log4j for logging various levels of information like error, info, and debug into the log files.
• Wrote unit testing codes using JUnit, resolved bugs and other defects using Firebug, JIRA and Eclipse's debugging tool.
• Involved in Unit integration, bug fixing, acceptance testing with test cases, Code reviews.

Environment: Core Java (Java 8), HTML5, CSS3, JavaScript, jQuery, XML, Angular 2, Bootstrap, Spring Core, Spring IOC, Spring MVC, Spring DAO, Struts, Hibernate, Struts, Cassandra, SOAP web service, RESTful web services, Maven, WebSphere, JUnit, JIRA, Firebug, SVN, GIT

Confidential, Chicago, IL

Java/J2EE Developer

Responsibilities:

• Involved in all phases the of an end-to-end implementation which included project requirements gathering, analysis, design, development, testing and debugging.
• Provided Java programming support for existing and new applications.
• Developed Web applications using Java, J2EE, Struts and Hibernate.
• Enforced quality and validity of data affected by Java programs via database packages in core java.
• Utilized Java 8 features like Lambda expressions and Stream API for bulk data operations on collections which would increase the performance of the application.
• Designed Prototype and project layout skeletons using jQuery, CSS3, HTML5, XML, DHTML and JavaScript.
• Developed Single Page Applications (SPA's) using AngularJS.
• Used AngularJS in creating animations based on CSS classes for a new requirement surfaced by the client.
• Created a responsive web application integrating Bootstrap with AngularJS and media queries.
• Used Spring dependency injection, annotations and Spring MVC components to implement business layer and navigation part of application.
• Implemented the associated business modules integration using Spring, and Hibernate data mapping.
• Used JavaScript, CSS, C++, and HTML to create front-end screens of the module.
• Used JavaScript validation frame work for performing front end validations.
• Involved in developing Database access components using Spring DAO and integrated it with Hibernate.
• Worked on performance tuning of cluster using MongoDB, configured internode communication between MongoDB nodes and client using SSL encryption.
• Exposed and consumed SOAP based Web Services to communicate between systems.
• Testing and deploying the application on JBOSS and WebSphere.
• Created and configured new JIRA projects and worked with departments to maintain existing JIRA projects.
• Followed TDD (Test Driven Development) methodology to write unit tests with JUNIT

Environment: Core Java (Java 8), C++, HTML, CSS3, JavaScript, jQuery, XML, DHTML, Angular JS, Bootstrap, Spring Core, Spring IOC, Spring MVC, Spring DAO, Spring Security, Spring Integration, Spring web flow, Struts, Hibernate, Struts, MongoDB, SOAP web service, JBOSS, WebSphere, JUnit, JIRA.

Confidential, Dover, NH

Java Developer

Responsibilities:

• Worked as a Developer and was involved in the analysis of requirements, design, development, Unit and Integration testing.
• Configured Spring Web MVC Framework to implement MVC design patterns.
• Worked on spring application framework features.
• Worked on Hibernate object/relational mapping as per database schema.
• Extensive use of Struts Framework for validation components and view components.
• Extensively used core java concepts like collection frame work, multi-threading, OOP features and Exception Handling.
• Designed dynamic and browser compatible pages using HTML, CSS, BOOTSTRAP, JavaScript and jQuery.
• Responsible for Web UI development in JavaScript using jQuery, AngularJS and AJAX for dynamic loading of Web pages.
• Developed the jQuery callback functions to implement asynchronous communication using AJAX.
• Used Angular JS as frameworks to create single page applications (SPA) which can bind data to specific views and synchronize data with server using Sass, Less, Bootstrap, Angular JS.
• Developed custom directives, Factories and Services in AngularJS.
• Worked on the REST Web Services.
• Used Spring Framework and developed the Spring Features like Spring Core, Spring IOC, Spring AOP, Spring Data Access, spring web test, Spring Boot, Spring Batch, Spring Security, and Spring Integration.
• Implemented different Design patterns like DAO, Singleton Pattern and MVC architectural design pattern of spring framework.
• Used Hibernate, object relational-mapping (ORM) solution, technique of mapping data representation from MVC model to Oracle Relational data model with SQL-based schema.
• Responsible for Development of Hibernate objects for data fetching for batch and front-end processing.
• Used Log4J API for logging and debugging.
• Written test cases and done Unit testing execution with JASMINE and Junit

Environment: Core Java, HTML, CSS, JavaScript, jQuery, JSON, Angular JS, AJAX, JSP, Spring Core, Spring IOC, Spring MVC, Spring DAO, Spring Boot, Spring Batch, Spring Security, Spring Integration, Spring web flow, Hibernate, Struts, Oracle, PL/SQL, XML, REST web service, JUnit, Jasmine.

Confidential

Java Developer

Responsibilities:

• Implementing Scrum based agile software development for analyzing, designing, and developing applications.
• Involved in the development of various use cases, sequence diagrams using UML.
• Developed the presentation layer written using HTML, CSS, React JS and client-side validations were done using JavaScript, jQuery and JSON.
• Designed a responsive website using Bootstrap grid system to layout contents that fit different devices including mobile, tablet and desktop.
• Used multithreading extensively to improve the performance of the application.
• Designed and developed Action Classes, Form Beans and JSP's.
• Used Spring Core Annotations for Dependency Injection.
• Implemented Spring MVC Controller module for better handling of client request
• Developed Business Delegates, Value Objects, and Data Access Objects (DAO).
• Designed and developed DAO layer using JDBC to access the database.
• Worked on Hibernate for data persistence. Used Hibernate as ORM to map Java classes to data base tables.
• Testing and deploying the application on Tomcat
• Designed and developed the database required for the application using Oracle 10g.
• Developed Stored Procedures, Triggers in Oracle to cater the needs for the entire application.
• Handled events and runtime errors using JSF event listeners and validations.
• Writing the Unit Testing of the components using JUnit.
• Involved in developing Test cases and executing them.
• Used Log4J framework for event logging.
• Actively involved in production support and resolved the production issues depending upon priority of issues.

Environment: Java, UML, JSP, Servlets, HTML, CSS, React JS, JavaScript, jQuery, JSON, Bootstrap JDBC, Spring MVC, Spring Annotations, JDBC, Hibernate, Tomcat, Oracle 10g, JSF, Junit, Log4J

Confidential

Junior Java Developer

Responsibilities:

• Involved in Software Development Life Cycle (SDLC) for documentation, designing, development and user acceptance of the system.
• Prepared Low Level Design document using UML, Rational Rose and MS Word.
• Understanding the various functional requirements for a module and client discussions.
• Involved in the designing of User interface using HTML, CSS and performed client-side scripting using JavaScript.
• Involved in preparing Use Cases, Class, and Sequence UML diagrams based on business requirements.
• Implemented SQL queries and used Oracle stored procedures, and built-in functions to retrieve and update data from the databases.
• Wrote various utility and helper classes using Java collection framework.
• Involved in writing the unit test cases using JUNIT and integration testing.
• Identified and fixed the bugs in the Testing Phase.

Environment: Java, JSP, HTML, CSS, JavaScript, JUnit, UML, Rational Rose, Net Beans IDE, Apache Tomcat, Oracle, PL/SQL and MySQL.