PROFESSIONAL OVERVIEW

• Over ten years of experience building Enterprise level applications with involvement in full Software Development lifecycle SDLC including business analysis, requirements, functional technical design, development implementation, testing, deployment and maintenance of Software Systems.
• Extensive experience in real time web based, high volume systems, utilizing Java and Open Source technologies.
• Expert level Core Java as well as Java EE technology skills having utilized cutting edge technologies such as Multi-Threading/Concurrency, Messaging and Web services.
• Comfortable working on all layers of an application server side components, middle tier and front end
• Ability to work independently and within a team and ability to quickly adapt a new project and become productive.
• Strong problem solving, analytical, logic implementation, installation and configuration skills.
• Excellent knowledge of UML, object modeling, analysis and design patterns. Full life-cycle development experience, including experience with Agile and other methodologies.
• Good working knowledge of industry best practices for Enterprise development including implementing and refactoring to design patterns.
• Sun certified Java programmer SCJP since year 2002 and Web component developer SCWCD .
• B.S in Software Engineering with major in software architecture and design.

TECHNICAL SKILLS

Languages: Core Java, Java SE/J2SE, Java EE/J2EE, XML, UML, SQL.

Specialties: Application architecture, design, development, deployment, maintenance and web development, Scalability and performance tuning.

Web Technologies: JDK, Servlet, JSP, JSTL, Spring, Struts, Java Beans, EJB, RMI, XML/XSD/XSLT, JAXB/XML Beans, Web Services SOAP, REST , Jersey, WSDL, XFire/CXF, AXIS, JMS, TIBCO EMS, JMX, JNDI, AWT/Swing, Applets, HTML, CSS, JavaScript, AJAX.

Application/Web Servers: Apache Server, Tomcat, JBoss, Websphere, Weblogic.

Frameworks/Tools/APIs: MVC, Apache Struts1,Struts2, Spring 2.5, Hibernate2.1/3.x, jQuery, Tiles, Site Mash, Apache Ant, Apache Maven, Java IO, Sockets, Mail, Log4j, OSCache etc.

Testing Tools Selenium, JMeter

Design/Modeling: OOA D using UML, Design Patterns, MD UML, Rational Rose, MS Visio

GUI Tools: Eclipse/My Eclipse/WTP, Fire Bug, CVS, SVN, Clear Case, Clear Quest, JIRA

Database: Oracle, MySQL, MS SQL Server

Operating Systems: Linux, UNIX, UNIX Shell, Mac OS, Win 9x/ XP/ NT/ 2000

PROFESSIONAL EXPERIENCE

Confidential

Senior Application Consultant Java

Responsibilities:

• Involved in requirement analysis, Design, Development, testing and documentation.
• Implemented agile development practices according to the application requirements.
• Actively participated in scrum, sprint and iteration planning and sprint review meeting calls.
• Implemented action classes to interact with business objects and injected the service objects using spring DI.
• Implemented REST web services to serve business data in format of XML and JSON to the mobile apps.
• Implemented content cache to improve performance while maintaining thread safety and data consistency.
• Implemented Observer observable pattern to get application notified of content changes by integrating with CNS.
• Used Spring Dependency Injection to initialize components and maintain loosely coupled classes.
• Involved in creation of various OO techniques and UML methodology such as use cases class diagrams.
• Implemented UI utilizing Struts2, JST, EL and JavaScript framework jQuery.
• Significantly improved JUnit tests code coverage and watched continues integration to maintain build green status.

Environment: Core Java, REST, Spring, Hibernate, JDBC, SQL, Oracle, Maven, XML, JSON, Struts2, jQUery, JUnit etc.

Confidential

Responsibilities:

• Involved in requirement analysis, Design, Development, testing and documentation.
• Implemented multithreaded module to generate page content at app startup cached for request time processing.
• Implemented EhCache to store the CMS Artifacts like Page View, Page, Content which reduces the database calls and increases performance.
• Implemented Spring beans for Action classes and injected using Struts2 spring plugin dependency injection.
• Implemented DAO layer using Hibernate to pre-fetch content from database.
• Involved in implementing internationalization, errors messages externalization logging, performance tuning etc.
• Involved in creation of various OO techniques and UML methodology such as use cases class diagrams.
• Created unit tests using JUnit and EasyMock to improve the code coverage.
• Closely worked with application users and provided production support.

Environment: Core Java, REST, Spring, Hibernate, Struts2, JDBC, SQL, Oracle, Maven, XML, JUnit etc.

Confidential

Responsibilities:

• Responsible for Object Oriented Analysis, Design, Development and implementation of the application.
• Responsible for translating the business requirements to technical Design and framework development.
• Designed and developed object oriented and Thread-safe API for representing various domain entities and relationships between them.
• Performed object relational mapping between database tables and java classes and developed data access layer.
• Maintained clustered application servers and batch client deployment in Unix environment.
• Developed modules to execute batch operations using Core Java and multithreading.
• Implemented data batch insertion and update, implemented data access layer using Hibernate, JDBC and SQL.

Environment: Core Java, Hibernate, JDBC, SQL, Oracle, Ant, XML, Weblogic, JUnit etc.

Confidential

Responsibilities:

• Responsible for Object Oriented Analysis, Design, Development and implementation of the application.
• Worked with Front office Traders to understand the business requirements and to develop a low latency automated trading platform.
• Responsible for translating the business requirements to Technical Design and framework development.
• Developed multiple components to fetch the market feeds from external broker-dealer platforms, to process the live market data to apply strategies to find the favorable scenarios, to capture and confirm the trades, to manage the positions.
• Developed Strategies to execute the trades based on the particular scenarios using Core Java and multithreading.
• Implemented multithreading by separating execution policies from task submission by utilizing Executer framework.
• Implemented data access layer using JDBC and SQL.

Environment: Core Java, JDBC, SQL, Oracle, Maven, XML, Weblogic, JUnit etc.

Confidential

Responsibilities:

• Implemented mobile web application for bank customer to perform banking activities from smart phones.
• Implemented the applications presentation tier using Spring MVC
• Implemented web services clients using Spring web services module for data transportation to mainframes.
• Involved in creation of various OO techniques and UML methodology such as use cases class diagrams.
• Involved in development of WSDLs and xml schema.
• Designed and developed object oriented and Thread-safe API for representing various domain entities and relationships between them.
• Implemented server side business logic using Core Java for make a payment feature to various credit account including credit cards, mortgages, loans, leasing and equities.
• Implemented server side business logic using Core Java for transfer funds feature between bank accounts, online bill payment feature and management of overdraft protection accounts.
• Implemented mobile banking Web UI for browsers running on iPhone, black berry and other smart phones.
• Used XML Beans for XML to objects objects to XML marshalling and un-marshalling.
• Implemented cross cutting concerns as aspects at Service layer using Spring AOP.
• Used Spring Dependency Injection to achieve loose coupling and high cohen in components/classes.

Environment: Core Java, SOAP web services, JSP, JSTL, XML, Spring, UML, Websphere, JUnit etc.

Confidential

Responsibilities:

• Led the development for DataSuite from scratch with responsibilities of requirements gathering, Object Oriented Analysis Design, and development of the application.
• Implemented server side business logic using Core Java and multi-threading to develop low latency trading system involving futures, options, CDS, and currency conversion for electronic trades.
• Developed multi-threaded modules to retrieve related market data for various commodities from external systems.
• Designed and developed Thread-safe classes to represent various concurrently accessible objects.
• Decoupled the tasks submission from execution policies by utilizing Executer framework.
• Implemented delayed and recurring tasks using Scheduled Executer Service.
• Implemented applications business logic using various design patters including command pattern, business fa ade, singleton and other GoF design patterns.
• Implemented RESTfull web services using Jersey framework to serve products information and market data in XML and JSON formats.
• Implemented web based web services client by using XSLT for rendering web pages from XML formatted product data and by using AJAX for dynamically refreshing real time market data in JSON format.
• Reworked the same piece many times to get the performance needed and Improvised the code quality based on Sonar Metrics.
• Used Spring Dependency Injection resulting in a more configurable, easy testable and deployable application.
• Created unit tests using JUnit to improve the test coverage of the DataSuite application.
• Created automated functional tests using Selenium RC considerably reducing manual test time for development and QA teams.
• Implemented TIBCO EMS listeners for handling and processing dynamic market data.
• Worked on to expose some of the Spring-managed beans via JMX.
• Worked to setup a web server cluster using apache servers to load balance between tomcat servers.
• Worked on various architecture documents for the project including Use-Case Diagrams, Sequence Diagrams, Class Diagrams, Development Environment Setup Document, and Installation Process Document.
• Build the project using Maven and managed project dependencies using Maven pom.

Environment: Core Java, Jersey/RESTful web services, JSP, JSTL, XML, XSLT, Spring, UML, Tomcat, Apache Server, Oracle, JDBC, JMS/TIBCO EMS, JMX, JUnit, JavaScript/AJAX/ jQuery, Maven, log4j etc.

Confidential

Responsibilities:

• Led the development for EOS Trader Admin with involvement in requirements gathering and Object Oriented Analysis Design and development of the application.
• Implemented applications business logic using Core Java for data transportation between various layers of application and to handle high volume of objects in memory, and searching, sorting and filtering on them.
• Implemented the applications authentication and authorization using Spring LDAP.
• Implemented the applications presentation tier using Spring MVC.
• Implemented TIBCO EMS message broadcast and TIBCO EMS message listening.
• Worked on LDAP objects retrieval, modification, saving and updating using Spring LDAP.
• Implemented AJAX enabled pagination, retrieval, searching and sorting on thousands of database rows.
• Used Spring Dependency Injection to configure dependencies and to achieve low coupling between classes.
• Implemented application persistence layer using Hibernate ORM.
• Created automated functional tests using Selenium RC considerably reducing manual test time for development and QA teams.

Environment: Core Java, JSP, JSTL, Spring, LDAP, UML, Websphere, Oracle, Hibernate, JMS/TIBCO EMS, JUnit, JavaScript/AJAX/jQuery, HTML, Maven, log4j etc.

Confidential

Responsibilities:

• Responsible for the Object Oriented Analysis Design OOAD architecture and developed use Cases, class diagrams and sequence diagrams using Rational Rose Enterprise edition.
• Developed and implemented trading order monitoring application to monitor trade orders and their statuses.
• Implemented business logic using Enterprise Java Beans EJB and connectivity to MS SQL database using JDBC.
• Implemented MVC Model-View-Controller pattern to decouple business logic from presentation layer using Struts framework to develop web application.
• Used JMS for asynchronous messaging for order related commands execution.
• Involved in development of business layer and data access layer.

Environment: Java, J2EE, EJB2.1, Servlets, JSP, UML, Websphere, MS SQL Server 2005, JDBC, JMS, JUnit, Ant, log4j etc.

Confidential

Responsibilities:

• Responsible for architecture, design, implementation of Software systems, creating artifacts and development.
• Involved in the design, development and implementation of web services and SOA architecture to enable real time retrieval search of ecommerce data with 4 millions of products and 100 millions of product attributes.
• Involved in planning and development of xml schema.
• Involved in creating database schema for the project using MySQL database.
• Utilized Java Architecture for XML Bidding JAXB for producing java objects and beans for web services complex types.
• Implemented support for REST and SOAP protocols in project.
• Implemented Controller Servlets for processing web services request over http protocol.
• Performed testing using SOAP UI client, developed custom client tools for automated testing of project.
• Involved in deployment and releases of builds and to provide support to clients.

Environment: Java, J2EE, Web Services, SOAP, REST, WSDL, XML, JAXB, XFire/CXF, Http Client, SOAPUI, Servlets, JSP, JSTL, EL, UML, MySQL, JDBC, JUnit, HTML, Ant, log4j etc.

Confidential

Responsibilities:

• Involved in Full Life Cycle Development in Distributed Environment Using J2EE platform.
• Implemented the MVC based Struts Framework architecture to maintain the systems in J2EE standards and enabled the data flow.
• Integrated with Ingram Micro mainframe/enterprise system and converted from legacy systems into N-tier architecture.
• Designed and Implemented credit card transactions and added highly secure feature for the management of most frequently used credit cards through persisting them into database into encrypted format using RSA cryptography.
• Applied XA support for maintaining cross databases referential integrity across the databases.
• Implemented Session-layer Security Services SSL/https for credit card request/response between browser and server.
• Implemented order notification via Tibco order cycle status using JMS services and Tibco server for notification of the order events takes place at Ingram Micro enterprise system to client application.
• Designed and developed ordering system using design patterns namely command pattern and Value Object for on the fly open orders modifications.
• Designed and Developed complex hibernate Criteria quires for dynamically defined rules.
• Implemented complex database quires using hibernate query langue for fetching various objects.
• Developed Hibernate Model for the Site and performed Object Relational Mapping.
• Used tiles framework for developing user interface layout for the site.

Environment: Java, J2EE, Servlets, JSP, JSTL, XML, UML, Free Marker, Tomcat, MySQL, Oracle9i, Hibernate, JDBC, Struts1.2, tiles, JMS, JUnit, JavaScript/AJAX, HTML, DHTML, Ant, log4j etc.

Confidential

Responsibilities:

• Implemented custom MVC based framework architecture to enable the data flow.
• Developed and maintained the system components using Core Java, and developed JSP pages of web application.
• Involved in Designing and implementation of dynamic Content Management System CMS .
• Integrating Magnolia CMS over SOAP with management layer and developed AJAX based information portal.
• Used Site mash for developing user interface layout for the site.

Environment: Core Java, Servlets, JSP, JSTL, SOAP, XML, UML, Tomcat, Velocity, MySQL, Hibernate, Struts, Magnolia CMS, JUnit, JavaScript/AJAX, HTML, Ant, log4j etc.