SUMMARY

• A hands - on Senior Java resource wif a proven track record for leading complex software development projects through all phases of the development lifecycle to successful completion and implementation.
• Expertise in designing, developing and deploying applications using J2EE technologies including Spring, Hibernate, Servlets, JSP, EJB, JSTL, Struts, JSF, JMS
• 8+ years of IT experience as Sr. Java/J2EE Developer and wif expertise in B2B, EAI, Web and Client/Server Applications.
• , AJAX, JDBC, JNDI, Java Beans and Web Services.
• Experience working in various Software Development Methodologies like Agile, SCRUM and TDD.
• Actively involved in architecting various Business Layer and Data Management components of dis web based system over J2EE architecture.
• Proficient in using Design Patterns like GOF Design patterns(Creational, Structural and behavioral) and J2EE design patterns like MVC, Singleton, Front Controller, Business Delegate, Service Locator, DAO, VO, DTO etc.
• Database Design, Modeling, Migration using SQL and PL /SQL, Oracle, DB2, SQL Server.
• Experience in Big Data space like Hadoop and NoSQL.
• Experienced in Developing and Deploying Applications using Web sphere, Web Logic, Apache Tomcat and HTTP Server.
• Good noledge in Log4j, JUnit, Maven and Jenkins.
• Specialized in RDBMS design using normalization techniques and expertise in using SQL and PL/SQL to write Stored Procedures, Functions, Packages and Triggers.
• Experience in various software developments IDE's like Eclipse, My Eclipse.
• Excellent Leadership, Technical, Communication, Analytical and Problem Solving skills and ability to get on well wif people including cross-cultural backgrounds.

TECHNICAL SKILLS

Tools: and Technologies: Spring, Hibernate, JSTL, Struts, JSF, JMS, Angular.JS, Node.JS, Backbone.JS, Bootstrap.JS, jQuery, React.JS

Languages: Java, Flex, JavaScript, PL/SQL, T - SQL, C# .Net, HTML, XML

Markup languages: HTML5, CSS3, XHTML and XML

Web Services: RESTful and SOAP

Data-interchange format: JSON, XML

Change Management tools: SVN, GIT

Database: Hadoop, NoSQL, Oracle, MySQL, SQL Server

App/Web Servers: IIS and Apache

Methodologies: Agile/XP (Extreme Programming) and SCRUM

PROFESSIONAL EXPERIENCE

SR. JAVA DEVELOPER

Confidential, Columbus, Georgia

Responsibilities:

• In an Agile environment, developed new functionalities for a large-scale, high-volume web application using Java, SOAP, REST, Eclipse, JUnit, Spring, and Git.
• Involved in modifying the existing JSP's and writing the new controllers using Spring MVC and used IBatis for object relational mapping.
• Created Hibernate mapping files for Java classes using table per class hierarchy strategy.
• Extensively involved in Spring and DAO business logic implementation for dis application.
• Development of Spring Config file and Web.xml.
• Wrote Java Servlets to manage an XML-based persistence layer to cut down on server round-trips during development.
• Consistently maintained 95% (or better) code coverage.
• Used Java Servlets, JSPs, XML, and CSS for developing the web component of the application.
• Developed generic Java packages to produce and consume JMS messages through topics and queues in asynchronous message processing wif guaranteed delivery.
• Worked on presentation layer to develop JSP pages and embedding CSS, JavaScript, DOM and HTML5.
• Bulk loading of the data into Cassandra cluster using Java API's.
• Used Spring AOP for logging for crosscutting concerns of the application.
• Used GitHub for source control management.
• Responsible for creating RESTful Web services using JAX-RS.
• Created and deliver client-facing Big Data and NoSQL learning products for consulting practice
• Responsible for cluster maintenance, adding and removing cluster nodes, cluster monitoring and troubleshooting, manage and review data backups, manage and review Hadoop log files.
• Designed, automated and lead Enterprise level high volume Java and WebLogic upgrades and migration effort.
• Used SOAP protocol, JAX-WS and Apache CXF in development of web services.
• Experience using various Java, J2EE and open source frameworks - Servlets, JSP, JMS, Java Mail, REST and XML.
• Unit testing was performed using JUnit and Version control through Git.
• Backend testing and development of the DB by writing scripts to test the integrity of the application NoSQL/Hadoop databases.
• Experience in working wif the HBase as a NoSQL DB in the MapReduce framework.
• Created Class Diagrams and sequence diagrams using UML.
• Designed and implement scalable Big Data architecture solutions for various application needs.
• Developed an Angular.JS workflow manager leveraging Angular-UI's state router for flexible configuration and management of multi-step user input flows.
• Implemented client side Interface using React.JS.
• Implemented the validation, error handling, and caching framework wif Oracle Coherence cache.
• Developed SQL and PL/ SQL scripts for transfer of data between databases.
• Developed complex SQL queries for reports.
• Worked on MongoDB database concepts such as locking, transactions, indexes, Sharding, replication, schema design.
• Experience in managing MongoDB environment from availability, performance and scalability perspectives.
• Used JUnit Framework for the unit testing of all the java classes.
• Involved in the development of project back-end logic layer by using most of the core java features such as Collection Framework, Interfaces, and Exception Handling programming.
• Created Single Page Application wif loading multiple views using route services and adding more user experience to make it more dynamic by using Angular.JS framework.
• Involved actively in designing web page using HTML, Backbone, JavaScript, Bootsrap.JS and CSS.

SR. JAVA DEVELOPER

Confidential, Herndon, VA

Responsibilities:

• Worked on the Re-architecture of the JAVA application using Spring MVC and designing the Data Migration from various External systems.
• Integrated Struts wif Spring by delegating Struts action management to Spring framework.
• Configured Java objects wif back end database tables using O/R mapping in Hibernate.
• Implemented Spring Security for user autantication.
• Developed Spring REST services for all the modules.
• Worked in Agile environment wif active scrum participation.
• Deployed J2EE components (Servlets) in WebLogic Application server.
• Worked wif REST client web services to pull data from web service.
• Used Subversion in Eclipse which maintains versioning for directories renames and file metadata.
• Developed a RESTful service to provide all the CRUD capabilities.
• Designed and developed HTML front screens and validated user input using JavaScript.
• Used JDBC to invoke Stored Procedures and database connectivity to Oracle.
• Worked on migration of application from WAS to Tomcat by participating in all aspects of migration plan starting from Development to production environments.
• Performed Validations on UI data using JSF validations and JavaScript and HTML5 pages.
• Used WSAD Application Server to deploy dis application.
• Designed dynamic and browser compatible pages using HTML5, CSS3, JQuery and JavaScript.
• Written SQL queries and used DB2 stored procedure, functions, triggers, cursors, objects, sequences.
• Involved in writing Maven scripts for merging jar files into existing repository.
• Used JMS for consuming requests, validations, message queuing.
• Developed Shell scripts for deployment of the application on Linux.
• Wrote services to store and retrieve user data from the MongoDB for the application on devices.
• Created Single Page Application wif loading multiple views using route services and adding more user experience to make it more dynamic by using Angular.JS framework.
• Built and configured WebSphere Portal components including navigation, menu, and content view portlets.
• Worked on creation of MongoDB databases, collections and deploying JavaScript's using mongo shell.
• Planned and Implemented SSL encryption for Mongodb intra-cluster communications.
• Designed and developed a web-based catalog tool using Java, Maven, Hibernate wif Annotations, MySQL, JSP, and CSS.
• Developed Servlets and JSPs based on MVC pattern using Struts framework and Spring Framework.
• Wrote PHP codes to interact wif the JSON services to provide an easy to configure web service server interface.
• Participated in development of a well responsive single page application using Angular.JS.
• Worked wif Bootstrap for compiling CSS, JavaScript and building the System wif the convenient methods.
• Used ANT to built the project and JUnit to develop unit test cases.
• Used Angular.JS, HTML5, CSS3, SOA, RESTful and JavaScript framework for creating Dynamic Reach Design Layout wif JSP.

SR. JAVA/J2EE DEVELOPER

Confidential, New York City, NY

Responsibilities:

• Extensive experience using framework APIs like Struts, Spring, iBatis and Hibernate.
• Developed Servlets and JSPs based on MVC pattern using Struts framework and Spring Framework.
• Developed Spring MVC controllers for all the modules.
• Developed Java/J2EE application (JSP, EJB) using Struts/Tomcat for Sybase, JBuilder.
• Created the stored procedures using Oracle database and accessed through Java. Expertise in MVC Architecture using JSF and Struts framework and implementing custom tag libraries.
• Implement enhancements / additional Java code logic for existing customers
• Followed Java & J2EE design patterns and the coding guidelines to design and develop the application.
• Involved in developing the UI panels using JSF, XHTML, CSS, and DOJO.
• Used Jenkins to do different environment builds which is integrated wif mercurial version control tool.
• Implemented content management system enhancements leveraging Web 2.0 technologies.
• Managed large sets of data using Oracle and MySQL databases.
• Created distributed Oracle coherence domains, configuration and system design based on coherence.
• Implemented and customized web services application using JAX-WS wif EJB.
• Developed automation test scripts using Java and Selenium Web Driver
• Created and customized WordPress themes using HTML5, CSS3, and JavaScript.
• Expose PL/I database access layer as web service using Z. Worked wif JCL to schedule jobs on Mainframes.
• Installed and configured a multi-server, clustered ILOG environment.
• Used Ruby to write cloud computing applications.
• Developed a web 2.0 control console using GWT to manage data matching for data staging.
• Used Netbeans IDE for development, configured and deployed the application on Tomcat Server.
• Developed ANT scripts for automating build process.
• Improved code quality and reduced development time by creating JRules analysis and Oracle database tools.
• Used J2EE to communicate legacy COBOL based mainframe implementations.
• Designed, Implemented and Test Oracle ADF applications using JDeveloper.
• Created ASP User Controls to reduce the complexity of user interface design.
• Utilized Clearcase for version control of the application. dis involved creating development streams and defect streams.
• Standardized core logging architecture using Java.
• Developed web-based reporting front-end using WebLogic, Java, JavaScript, Struts, and JSP against an Oracle database.
• Wrote Web services using Apache Axis2 and generated the WSDL.
• Involved in the development of Services using Oracle BPM, WSDL and XSD.
• Experience in setting up Linux Environment on AWS cloud infrastructure.
• Used IBM MQ Series to send information from mainframe to web and back to mainframe.
• Used centralized configuration for multiple servers in JBOSS domain mode.
• Created Cognos content store, data source connections and Cognos configuration.
• Used JQuery for creating different menus and dialog boxes.
• Designed and Developed Drupal based web application.
• Developed the Java Graphical User Interface for end users using JavaFX and Swing frameworks
• Generated PDF reports using iText.
• Designed, developed, and maintained Mainframe COBOl and JCL.

Full Stack Developer

Confidential, Menlo Park, CA

Responsibilities:

• Designed and developed server controllers and their mapping, using Spring and service code.
• Used Spring Beans to encapsulate business logic and Implemented Application MVC Architecture using Spring MVC.
• Participated in all the stages of SDLC from requirements gathering to deployment of software.
• Used MVC architecture, Business Delegate, Session facade, Data Access Object, Value Object and Singleton patterns.
• Created JUnit test cases to cover unit testing for the components.
• Developed and designed Interfaces using Swings.
• Involved in designing and implementing persistence layer using Hibernate following the Generic Data Access pattern.
• Involved in writing client side validations using Java Script.
• Used Log4j for logging and handling defects of the application
• Developed various UI (User Interface) components using Struts (MVC), JSP, and HTML, JavaScript, Ajax.

JAVA DEVELOPER

Confidential, New York

Responsibilities:

• Implemented Dynamic Data source routing using Spring framework.
• Designed and developed of server side Jave code using the Spring framework.
• J2EE to communicate legacy COBOL based mainframe implementations.
• Used standard data access technologies like JDBC and ORM tool like Hibernate.
• Wrote test cases using JUnit testing framework.
• Developed and implemented Legacy system programs by using COBOL, DB2, CICS, JCL and Java.
• Simulation was developed using C++.
• Worked on GUI internationalization using JSP and Core Java.
• Designed and developed Message Flows and Message Sets and other service component to expose Mainframe applications to enterprise J2EE applications.
• Wrote stored procedures in Oracle PL/SQL for data entry and retrieval.