Devadutta Bhattacharjee Email & Phone Number

Greater Los Angeles Area

Technologies: Java 1.7, Spring IOC, Spring MVC, Spring AOP, Oracle, Maven 3, ActiveMQ, Hibernate, JUnit, Restful WebServices, BIRT.Responsibilities:1. Designed and implemented a notification system in Java using Spring boot, Hibernate, Oracle, using observer pattern that would notify the business users (send an email) of any anomaly in the reporting process, create a ticket (using Rest API) with the operations team to investigate and resolve.2. Provide technical support to a suite of reporting products along with custom components in an integrated environment which provided near real time power consumptions and productions trends.3. Interaction with Vendors, business and offshore team to conduct impact analysis in a fast changing environment, coordinate and create design document, execute the project with offshore team whenever applicable.4. Perform code review, low level design review, provide inputs for project planning and dependency management.

Greater Los Angeles Area

Technologies: Java 1.7, Spring IOC, Spring Data JPA, Microsoft SQL Server 2011, Tomcat 7.0, Maven, JPA (Hibernate), Spring MVC, Spring Web flow, JSFProject Description: Integrated solution to maintain the corporate real estate including a web portal to search, view and feed in manual changes to the system, background processes maintain consistent information across web portal, data warehouse and SharePoint system, reporting solution etc. thereby automating the corporate real estate maintenance process. Responsibilities:1. Prototype a web service based integration with Sharepoint to accomplish data migration process from Sharepoint to MS SQL Server.2. Design and contribute towards the architecture of automating the corporate real estate maintenance process.3. Developed CRE&FM web portal using Java, Spring MVC, Spring Data JPA, Hibernate, SQL server 2011.4. Prepared JUnit test suite using Mockito and Powermock.

Whiteplains, Ny

Technologies: J2EE, Java 1.6, Oracle 10g, Websphere 6.1, Ant, Maven2, Struts1.2, My Eclipse Blue, TOAD, JSF/ IceFaces, Hibernate, SVN, Agile s/w development lifecycle.Responsibilities:1. Enhance the performance of the case consolidation and task list generation capabilities by optimizing the underlying stored procedure. 2. Created Technical Specification Document (TSDs) and use cases for case management3. Updated the UI to make it more user friendly using JSF/ IceFaces.

New Jersey, Nj

Technologies: J2EE, Java 1.6, WSDL, IBM DB2 9.7, Websphere 7.1, IRise , Ant, log4j, Spring, Rational Application Developer (RAD), ClearCase, Agile s/w development lifecycle.Responsibilities:1. Created Technical Specification Document (TSDs) and use cases for different products such as ACH payments, Basic Payroll, Premium Payroll, Tax, Invoicing etc. 2. Developed service layer code in Java and SOAP based web services that were used for interacting with various clients of MMS(Move to Money Services) application. 3. Developed DB2 Stored Procedures for retrieving data related to payments and payees which is required due to data migration from Oracle to DB2.

Greater New York City Area

Technologies: Tomcat, Apache, struts, J2EE, Hibernate, Ehcache, MySQL.Responsibilities:1. Worked with HR and Training department to analyze and gather requirements and created use cases, requirement specification and design specification documentation for TES- Training Enrollment System which is used for defining the training requirements and enrolling the employees for a certain training cycle.2. Developed Java based batch process to populate TES database with Employee details from HR system3. Developed code using JSP, Servlets and core Java for the Enrollment system. 4. Used PMD, Cobertura for eliminating defects before the testing phase.

Bangalore, India

Technologies: Linux, Windows 2003, Java, Tomcat, Cisco Unified Communication Manager(CCM), ClearCase, Eclipse, ANT, JSP, ServletResponsibilities:1. Performed requirement gathering by reverse engineering the legacy system and subsequent validation with subject matter experts for the web-based application CAR. 2. Created use cases, class diagram, sequence diagram. 3. Developed Java based reporting flows that query reporting database as well as the CMM(Call Management Records), CDR(Call detail records) generated by CCM.4. Upgrade existing platform specific functionalities to platform independent code. 5. Solved customer issues and performed customizations as required.

Bangalore, India

Technologies: Linux, C, Java, Boa Server, SVN, Applets, CGI, Swing, CVS, VOIP Gateway - MVPFX2,Responsibilities:1. Prepared Software specification document, impact analysis, feasibility analysis, estimation, design and implementation of the enhancements related to user interface & middle layer for Administration Module of MVPFX2.2. Bug fixes in the user interface & middle layer for Administration Module and DBM (Database manager) module. 3. Designed and implemented remote logger console module (access application logs and console messages) and tuning of search phonebook module.

Bangalore,India

Technologies: Linux, C++, Java, CCXML, JAIN SIP Architecture.Responsibilities:1. Communication between multi-modal SIP user agent and IVR System using TCP/IP and UDP connection.2. Created JNI interfaces to access C++ voice API from Java.3. Implementation of JAIN SIP architecture to develop a SIP user agent.4. Used CCXML to handle call events for DTDC IVR System.

Masters, Computer Science

Education record