SivaParvathi Chirumamilla

acuziy@r.postjobfree.com

EXPERIENCE SUMMARY:-

Overall 6 years of Experience in Java/J2EE development with extensive experience in multi-tiered web based architecture and enterprise application using J2EE, Servlets2.2, JSP1.2, EJB2.1, Hibernate2.1.7/3.0, JDBC, Struts, Spring.

Good exposure in Retail, Telecom, HealthCare, Publishing and Hospitality.

Clear understanding of the Object Oriented Programming (OOPS) Concepts

Working with Design and Development of n-tier Web Applications using Weblogic 8.1, IBM Websphere (WSAD 6.1), JBoss 4.0 & Apache Tomcat 5.0.25.

Experienced with RDBMS implementation and development using Oracle 9i/10g, PL/SQL, DB2.

Worked with STRUTS, Spring Framework and MVC design pattern.

Experienced in developing applications using HTML, CSS, DHTML, XML, XSLT and JavaScript.

Expertise in Project Process Flow Management and thorough knowledge of software development life cycle (SDLC) in Agile environment.

Expertise in Packages, Procedures, Functions, Triggers using PL/SQL

Experience working with ClearCase, SVN, CVS 2.5 for Version Control

Capable of analyzing complicated systems for client server, Internet, Intranet systems

Excellent Interpersonal Skills and Communication Skills

Strong in Client interaction and documentation skills.

ACADEMICS

Bachelors in Engineering from VITAM Colleage JNTU University.

TECHNICAL SUMMARY

Languages

JAVA, SQL, PL/SQL, HTML, DHTML,

JavaScript, XML, XSL, XSLT

Frameworks

Struts 2.0, Spring 2.5

Middle Tier/Messaging Tools

J2EE, JSP, Servlets

Tools/Others

Eclipse3.1, Junit, JNDI, CSS, JDBC, ODBC, Ant, Log4J,

RDBMS

Oracle 9i/8.1.7, MarkLogic and MySql, DB2.

Application/Web Servers

WSAD 6.1, RAD 8.0 and Weblogic Server 9.0

Methodologies/Process Tools

OOAD – UML using Rational Rose

Version Control Tools

WinSCP, ClearCase, CVS, SVN and VSS

Operating Systems

Windows 2000/2003/NT

PROFESSIONAL EXPERIENCE

Starwood Hotels & Resorts July 2014 - TillDate

Stamford, CT

Java Programmer

Project Description#

Valhalla is Starwood’s central reservation/loyalty system. Starwood's more than 1200 properties worldwide are managed through this system. Valhalla is one of its kind in SOA (Service Oriented Architecture). Valhalla implementation involved developing web-services for different modules ex: Rates, inventory, booking etc. Idea behind this was to enable these services to interact with each other in a more scalable way, improving the overall maintenance. Also, these services could then be used by various channels (like expedia etc.)/ Locations. Business logic tier was developed using stateless session beans which communicate with the persistence layer built on hibernate. Starwood CRS handles large volume of transactions everyday with no downtime

Responsibilities:

Participate in design and development of new applications features and functions.

Worked with Implementation Spring MVC architecture and Spring Bean Factory using IOC concepts.

Used Business Delegate, Session Facade, DAO, Front Controller and MVC De-sign Patterns.

Developed web based customer management application using Spring, Hibernate technologies which communicated with business operations.

Developed the GUI using JSP framework,css and html.

Developing POJO objects and hibernate mapping files.

Configured Hibernate objects as Spring Beans in the Spring Configuration File.

Used Hibernate in data access layer for data persistency.

Development of custom objects with the help of Hibernate framework to access database tables.

Preparation of configuration files for Hibernate and Handled mapping resources in hibernate.cfg.xml

Created PL/SQL module which was used to integrate the existing data from third parties and on to the database.

Great experience in the Oracle platform especially on SQL standards and Java.

An in-depth grasp of SQL reporting, analytics and business intelligence.

Creating individual mapping descriptor files for each persistable Java classes.

Involved in writing JavaScript functions and validations.

Build/deploy web-service EAR and client (UI) ears on WAS 7.0 .

Used build and deploy scripts in ANT.

Involved in Configuration and Usage of Apache Log4J for logging and debugging purposes.

Closely working with other Starwood teams like ELP, MTG/PSI, Inventory, POE, REX and Accounts and Shopping.

Followed Agile/SCRUM development methodology.

Environment: J2EE, Java, Spring, Hibernate, EJB, AJAX, JSP, JBoss, XML, XSLT, DOM Parser, HTML, UML, Oracle 9i, PL/ SQL, JUnit, Log4j, Eclipse,Windows XP, JIRA.

DB Schenker Inc June 2012 - Jan 2014

Long Island, NY

Java Programmer

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DB Schenker is one of the leading globally integrated logistics service providers. This project built a Logistics Data Warehouse to present an integrated, consistent, real-time view of enterprise-wide data. Schenker Logistics supports industry and trade in the global exchange of goods In land transport, worldwide air and ocean freight, contract logistics and supply chain management DB Schenker is currently building a central Regional data store combining the Canada and US data into one centralized data warehouse using Informatica as the ETL tool.

Analyzing the data in order to understand the optimum way of storing and distributing information

Responsibilities:

Created Struts MVC configuration for DVA Project.

Implemented Excel and Print PDF functionalities for all the Data Sources.

Designed and developed front-end JSP’s with HTML & JavaScript

Created Controller Classes, Delegate Service and DAO layers and implementations.

Configured and implemented Struts framework across all layers.

Developing POJO objects and hibernate mapping files.

Identify probable problem areas and look for such problems in the code.

Developed the Struts Action classes, Form beans, and configured the struts-config.xml file.

Involved in Low Level Design (LLD) and enhancements of the application.

Configured Hibernate objects as Struts Beans in the Struts Configuration File.

Used Hibernate in data access layer for data persistency.

Development of custom objects with the help of Hibernate framework to access database tables.

Preparation of configuration files for Hibernate and Handled mapping resources in hibernate.cfg.xml

Provide second line support for fresher’s team.

Actively involved in Monthly releases and fixing Pre Production and Post Production issues.

Writing and testing on different phases including Junit, QA, Dev, Production Testing

Have done Junit and HttpUnit Testing at coding level and Front-End web pages.

Worked on Production Issues and Supporting the Production System.

Environment: Java 1.6, Struts, Eclipse, Hibernate 3.0, JSP, HTML, Oracle10g, Putty, MVC Design Pattern, JavaScript, CSS, Tomcat 6.0.

Nature Publishing Group Feb 2010 – June 2012

Boston, Massachusetts

Java Programmer

Principles of Science and Scitable are the main modules for publishing and learning tools on Genetics and Cell Biology. Principle of Science is a series of textbooks designed for the world we live in today. The first textbook in the program, Principles of Biology, is a research-oriented, affordable interactive textbook for university-level introductory biology courses. Scitable is a free science library and personal learning tool brought to you by Nature Publishing Group, the world's leading publisher of science.

Features: Search functionality, Help from Experts, Building online classroom, Contribute and Share your content, Faculty Catalog and Student Catalog.

Responsibilities:

Working with users and preparing the requirements documentation.

Created Spring MVC configuration for Student Catalog.

Created Controller, Delegate Service and DAO layers and implementations.

Implemented Search functionality on Scitable and Principles

Working as an On-Site coordinator and handled Off-Shore team of 4.

Implemented Book Mark functionality on Text Books.

Prepared peer review documentation for monthly releases.

Created Technical Design Specification, Use Case, Class, and Sequence Diagrams for Student Catalog and Admin modules.

Created reusable java script functions for entire application that way easy to manage and help full in support.

Extensively used JavaScript Objects, Browser Objects, HTML DOM Objects in front end validations and navigation's.

Experienced in converting prototype html pages to dynamic web pages in JSP with JavaScript capabilities.

Created DOZER mappings for domain object to the web service object.

Using Agile programming methodologies during the development phase.

Configured and implemented Spring framework as middle layer for lower level services.

Followed Test First / TDD approach to create the test cases using EasyMock before start the development.

Following Agile development methodology.

Tested JSP pages with HttpUnit and code with Junit.

With TDD (Test Driven Development) write down the test cases and created TestSuites based on MOM(Minutes of meeting).

Worked in Supporting environment on File Server and tracking Book downloads and reporting if any issues while downloading and displaying the URLs.

Moving all the latest files from Akamai to Amason S3 for cost reduction.

Interacted with Offline Application team to support Student Catalog for viewing downloaded books when internet not available(AIR).

Environment: Java 1.6, Spring MVC, Eclipse, Hibernate 3.0, JSP, HTML, Oracle10g, MarkLogic, Putty, WinSCP, MVC Design Pattern, JavaScript, CSS, JBoss 4.0,File Server.

Personal

Ability to work independently and in groups, strong written and oral communication skills Good interpersonal skills.

Contact this candidate