Bhaskar Singotam Cell   : 614-432-4741

Email : bhaskarsn@gmail.com

 

Summary

 

●       About 11+ years of experience in requirements analysis, design, development and testing of software systems in client/server and distributed environment.

●       Involved in analysis and Design using OOAD, designing UML methodologies (using Rational Rose, Argo, JUDE), various design patterns and implementing server-side and distributed applications.

●       Expertise in using different Design patterns including Factory, Facade, Command, DAO, Singleton, Business Delegate and MVC architectural design patterns.

●       Expertise in using frameworks SPRING/Struts/Ajax.

●       Expertise in design and development of layered large-scale enterprise applications in the Banking, Automotive, Healthcare and Telecom sectors, using technologies like ESB, Web services, EJB, EJB Timers, IBM MQ Series 6.0, JMS, persistence technologies like Hibernate, JTA, and KODO, Java-FTP interfacing, HL7 standards in healthcare, SyncML interfacing in Mobile communication, Java Servlets, Java Beans, JNDI, XML, XSDs, WSDLs and Java script.

●       Worked with RDBMS like Oracle 10g, DB2, SQL Server7.0/MSSQL Server 2004 and Sybase10.

●       Experienced in using version control tools like Rational Clearcase, CM Synergy 6.1, Visual Source Safe 5.0, CVS and SVN.

●       Quality Assurance using JUnit, XMLUnit, Fitnesse, Testplans, UnitTesting, Manual System Testing.

●       Experienced working in very rapidly changing AGILE / TDD environments.

●       Experienced in environments requiring direct customer interaction during specifications, design, development, product implementation phases.

●       Experienced in deploying applications using WebSphere and WebLogic app servers.

●       Conceptual awareness about RUP, AGILE, CMM, TQM and ISO.

●       Excellent analytical, interpersonal and communication skills.

●       Able to work independently and collaboratively in Team environment.

 

 

Skills Summary:

Core Expertise	J2EE, SPRING, Hibernate, EJB, EJB Timers, Servlets, JSP, JDBC, XML/XSD, LDAP, web services, Java-FTP
Languages	Java, C++, PL/SQL & UML.
Web  &  App Servers	WebLogic Server9.2, Java Web Server, WebSphere 6.0, Apache Tomcat 3.x-5.x
Scripting Languages	Java Script
Middleware:	SONIC ESB 7.6.2, Oracle OSB 11g, JMS, MQ 6.0
Case Tools / SDLC	Rational Rose, RUP
XML Technologies	HTML, XML, XSD, XSL, XQuery, WSDL
DBMS/RDBMS/Tools	Oracle 8i/9i/10g, MSSQL Server7.0/2004, Sybase10 & MS Access.
Build Tools	Apache ANT1.5
Configuration Management	Rational Clear case, CM Synergy,Visual Source Safe 5.0 , CVS, SVN
Operating Systems	Windows NT, XP, RedHat Linux 4.x-9.0, Solaris 10.
IDE	Sonic Workbench 7.6.2, WebLogic Workshop 8.1/9.2, WSAD 5.1, Jbuilder 8.0, Eclipse 3.2
Bug Tracking Tools	Bugzilla2.4, Rational Clearquest, Mercury QC
LDAP Server	iPlanet LDAP Server 5.1
Other Packages / Tools	TOAD, Telelogic DOORS, Rational Rose 2000, RAD, Argo UML, JUDE.
Frameworks/ORM	SPRING 2.5,STRUTS 1.3, Hibernate 3.0, Fitnesse
SDLC	RUP, AGILE, TDD

 

 

Professional Experience

 

Verizon Telecom, Tampa,FL                                             Duration: Oct 2013 – current

Unified PC & TE                                                                    Sr Java Developer

 

 

The Unified PC(Provisioning Controller) and Tasking Engine is an effort to bring all the interactions of PC with both the upstream and downstream provisioning / activation systems on to a common platform using Oracle OSB. All the external systems interact with PC through the Oracle OSB proxies. The OSB layer has service orchestrations, audit trail, security, request routing, request transformation using XQuery and XSL. The unified Tasking engine part of the project uses the Oracle SOA BPEL components and the Human Task workflows to  handle aspects of all the manual task assignments that occur in the PC workflow. This includes task initiation, re-assignment, suspend, resume, transfer of tasks form one group to another.etc.

 

Responsibilities:

●       Designed and developed Oracle OSB service orchestrations for interaction of PC with other systems like SNM & BGW related to different network components. 

●       Developed the OSB components to capture the initial BOD request coming from the upstream ordering systems, breaking the request into different payload components using Proxies, XQuery and XSL.

●       Developed some of the SOAP web services used by the Tasking engine, like the Unified Task availability service, User profile / schedule services using Spring IoC, Spring Data, EclipseLink2.5 / JPA.

●       Used top-down approach by hand coding of XML schemas and WSDL for web services.

●       Analysis of business requirements and translating them into technical design.

●       Publishing the HLD/LLD of various application components, using UML.

●       Worked on build / deploy ant scripts for integrating the OSB, SOA and web services components.

●       Used SoapUI to unit test the various services and worked with the testing team in identifying and resolving issues.

 

 

Environment: 

Java 1.6/1.7, SPRING 3.x, JPA, EclipseLink2.5, Soap web services, SOAP UI 2.1, Oracle 11g, CVS, JUnit 3.8.1,  Weblogic 11.x Cluster setup, Oracle OSB and SOA, Solaris 10, Linux, Oracle SOA, Ant, Eclipse Indigo, JDeveloper11

 

 

 

 

HealtheSystems, Tampa, FL                                          Duration: Nov 2012 – Oct 2013

Therapeutic Alerts                                                  Sr Developer

 

 

As part of the workman’s compensation claim’s processing HealtheSystems, provides solutions to notify prescribers, pharmacies and the customers of misuse of prescription medication when the patient goes to multiple physicians within a certain period of time to get prescription of opioids, which could lead to addiction and overdose, thereby causing major health issues and costs.

Therapeutic Alerts is a solution around the misuse of opioid drugs. This consists of processing the customer claim data on a daily basis and running this data , through an in-house knocked down version of a commercial rules engine, and generating different letters , which are sent out to prescribers and pharmacies based on state laws and requirements.

 

Responsibilities:

●       Designed and developed the business rules and facts which are specific to customers.

●       Worked on pieces of the in house rules(decision tree) engine infrastructure.

●       Reviewed test cases for the numerous scenarios.

●       Worked with the DB team and the business analyst to understand the current Db solution, to determine the business rules to generate different letters based on different drugs, dosage, fill date and other customer specific criteria.

●       Involved in the configuration/trouble shooting of the dev/QA/UAT/prod regions.

●       Involved in building the SVN modules using Apache Maven and deploying the files on to VCron environment to run the batch process

●       Developed a POC to showcase the use of Spring MVC, Spring JPA, Hibernate and Maven.

 

 

Environment: 

●       JDK 1.6, SPRING 3.0, SOAP UI 2.1 Oracle 11g, SVN, vFabric Tomcat 6.0.x, JMS, Apache Maven 2.2.1, Eclipse Galileo.

 

 

Fidelity(FIS), St Petersburg, FL                                 Duration: May 2011 – Nov 2012

DSRT(Deposit Shield Real time)                                         Sr Design/Developer

 

 

The DSRT product is a Risk, Fraud and Compliance solutions offering to the financial institutions

being developed in phases to protect the institutions and its customers from fraudulent deposit related transactions. DSRT is networked through the Enterprise Service Bus(Sonic ESB), to enable development and execution of re-usable service modules from across the organization, for ingesting the data, aggregating it to the definition of a product for a customer, with risk scoring, strategy employment from a sophisticated decision engine and publication of alerts and responses as defined for the product.

 

Responsibilities:

●       Designed and developed the processes / sub-processes and services for the Deposit Shield orchestration service using Sonic ESB for service modules, Spring JDBC template for the Dao layer, Spring IOC for managing dependency and JaxB for XML binding.

●       Developed the module to generate the dynamic itinerary based on the proprietary Sonic message format for use by the Chameleon UI.

●       Developed the scoring / strategy module for the CIF attribute service based on inputs from the business analysts and statisticians(SAS team).

●       Developed code to send / receive messages from the IBM mainframe services using MQ Series for DL and PCA transaction types.

●       Worked on development of the infrastructure,Acct Ownership,requestLog, tLog and core services modules. Determined the in/out data formats during transformations for service orchestration.

●       Used Sonic workbench and management console to deploy services to target containers and test the services.

●       Reviewed test cases for the numerous scenarios involved in scoring module.

●       Worked with the DB team, to resolve issues related to the CIF(Cust info file), AIF(All Items File), and RDI(Reject Deposit Items) daily feeds  sent by the banks.

●       Involved in the configuration/trouble shooting of the MQ managers/queues for various dev/QA/UAT/prod regions.

●       Involved in building the SVN modules using Apache Maven and deploying the generated archive files on to the ESB containers.

●       Currently involved in a POC effort for DSRT – Batch, using Spring Batch.

 

 

Environment: 

●       JDK 1.5, SPRING 2.5, IBM MQ series 6.0, Progress Sonic ESB 7.6.2, Sonic Workbench 7.6.2, Oxygen 11.2, Data Power(check scanner), SOAP UI 2.1 Oracle 11g, SVN, Websphere 6.0, Tomcat 6.0.29, JMS, JaxB 2.5.1, Apache Maven 2.2.1, UNIX-HP, Mercury QC, IBM Blade servers.

 

 

 

 

Verizon Telecom, Tampa,FL                                             Duration: Feb 2009 – Apr 2011

RVOIP-PC                                                                             Sr Design/Developer

 

 

The Re-invent VOIP is a large initiative by Verizon to provide its customers the benefits of VOIP based solutions in cutting down their costs significantly. This solution is targeted as both the Retail and the Wholesale markets, both in US and EMEA (Europe, Middle East, Asia). RVOIP has lot of systems like IOrder(EMEA Wholesale orders), IASA(EMEA Retail orders), OPro(EMEA Retail orders), NRM(Number range management), PC(Provisioning Controller), ESAP(Electronic switch activation platform), Broadsoft, Voicemail etc.The PC(Provisioning Controller) is the central system in the entire provisioning process. This is basically a workflow application, which accepts the orders originating from the Upstream systems like IOrder, IASA, OPro and based on the workflow logic routes the orders to the appropriate downstream systems like NRM, ESAP, Broadsoft to provision the customer.The interaction of PC with all these various systems is done using Web services, IBM MQ, BEA JMS and FTP. PC also facilitates the Service delivery group to complete/intervene where required in the workflow.

 

Responsibilities:

●       Developed the common bean instantiation infrastructure using SPRING IoC and also responsible for maintaining the SPRING config XML and ensuring that the team follows the naming conventions in SPRING config XML. 

●       Developed the declarative auditing and logging management aspect infrastructure using SPRING AOP components, Advice, Pointcuts and the Advisor classes for the IPAudio application.

●       Developed the  transactional beans, using SPRING’s AOP based declarative transaction management.

●       Migrated application code in phases from using direct jdbc, to use the SPRING JDBC template feature for resource and exception management.

●       Involved in development of the infrastructure piece for PC, MQLib, a Java based wrapper for IBM MQ, DB brokers for Oracle and MSSQL, Wrapper for securing, encoding/decoding and mapping of ASN.1 messages, JNDI lookup using the Service Locator patter, securing web services at the RPC layer, publishing/subscribing to web services in ITW.

●       Developed/configured the hibernate DAO/persistence classes by applying the Layer supertype pattern using the HibernateTemplate and HibernateDAOSupport classes to leverage SPRING’s support for Hibernate persistence.

●       Involved in BREQ/SREQ/interface discussions with business users and other interface owners. Created/updated ICD(Interface Control doc),HLD(High level design) LLD(low level design), WSDLs, XSD documents as a result of the discussions for sub-initiatives like EMEA Wholesale(Netherlands/France), SBC Greenfield automation, SBC migration, IpAudioConferencing(over VOIP), ImmersiveVideo.

●       Involved in the design/configuration/trouble shooting of the MQ managers/queues for various dev/testing/UAT/prod regions.

●       Developed the FTP interface with KPN(Netherlands) and Vangent(France) for uploading the ECBT(Emergency call back tracking) information files for subscribers and processing the responses from the service providers.

●       Developed the EJB timer based pollers and the JSPs to manually start/stop the pollers, for IVUE/IASA interfaces.

●       Extensively used SOAP UI for unit testing web service interfaces.

●       POC for all issues related to IOrder/IASA/OPro/IVUE/KPN/VANGENT - PC interface.

●       Responsible for preparing the PROD support document, with various external box IPs, end points, MQ Queue/channels/port and application properties information. Doing a sanity check/flowing dummy orders and ensuring that PC workflow does not have any issues.

●       Providing support during DIT/IST/UAT/Alpha/Beta testing phases.

●       Involved in building the CV modules using ant script and deploying the generated EAR file in the weblogic server.

 

 

Environment: 

●       J2EE 1.5, SPRING 2.5, Hibernate 3.0, EJB 2.1, IBM MQ series 6.0, BEA Workshop 9.2, SOAP UI 2.1 Apache xerces, Oracle 10g, MSSQL server 2004, CVS, JUnit 3.8.1, Websphere 6.0, Weblogic server9.2, BEA JMS , AWQM(Advanced workflow queue management), Solaris 10, Linux, Mercury QC,Verizon’s ITWorkbench.

 

 

Compuware, Detroit,MI                                             Duration: Mar 2008 – Jan 2009

Connected Vehicle CTC                                                        Sr J2ee Developer

 

This project leverages the Open Mobile Alliance Device management specification to manage the million plus Onstar units embedded in each car.Since the Onstar is basically a telematics service which has a GPRS enabled cell phone connected to the onboard safety, communication and vehicle diagnostics electronics. There is a need to be able to  manage  software upgrades, perform  diagnostics and get the unit to upload reports   remotely.Connected Vehicle uses a service oriented approach to enable a maintenance personnel to manage the above mentioned operations  using Insignia device management server.Each operation is performed by providing the DM(Device manager) server with a SyncML script which is a set of instructions on how to manage the device.The SyncML will mention which device node is to be managed and what script has to be run on the device node.The device in turn will notify the dm server with the status of the assigned command which is notified back to the user. In case we have a series of commands to be performed on the device the sequence of commands are maintained using a work flow script with the use of the Open Symphony work flow engine.

 

Responsibilities:

●       Worked on coding the basic AIF 155 message builder framework which generates AIF155 message to be consumed by the SMS builder in order to generate the final SMS message.

●       Developed the AIF 155 fallback functionality wherein after repeated attempts to send an SMS using packet data connection, results in failure and then the sms is routed through the circuit switch channel.

●       Developed the VDS(Vehicle Data services) interface using EJB and JDO persistence frameworks.

●       Developed the VDS web services used by VDU(vehicle data unit) and UI apps.

●       Developed the WLNGProxy and the InsigniaOMAProxy services for interfacing with the BEA WLNG server and the Insignia Device management server.

●       Responsible for building the CV modules using ant script and deploying the generated EAR file in the weblogic server.

●       Installed and configured the EMXP proxy server and tested it by running command scripts from the Device Management server.

●       Working on installation of WLNG server in the Dev-DMZ environment for Phase III certification of the CV project.

 

 

Environment: 

●       J2EE 1.5, EJB 2.1, Eclipse 3.2, Xalan, Oracle 10g, Subversion 1.4, JUnit 3.8.1, Insignia Device Management Server 4.2 ,Weblogic server9.2, Weblogic WLNG 3.0. BEA JMS , Open Symphony Workflow.

 

 

Siemens Medical Solutions, Malvern, PA                                      (Aug 2006 – Feb 2008)

Soarian Clinicals                                                                                       Sr. J2EE Developer

 

Siemens Medical Solutions is one of the world’s largest suppliers to the healthcare industry. The company is known for bringing together innovative medical technologies, healthcare information systems, management consulting, and support services, to help customers achieve tangible, sustainable, clinical and financial results.

Soarian Clinicals is developed using J2EE technology for better scalability and manageability. This application will replace the existing C++ application (C5). Agile methodology and pair programming is used for development.

Responsibilities:

●      Implemented Query, Business delegate, RSF (Remote Session Facade) classes and Application Service and Application Task classes using Command and Delegate Patterns for some user stories in ORDERS, ALERGIES, PREFERENCES and CHARGE CAPTURE modules.

●      To make the integration seamless and to test our functionality, have developed Stubs classes for integration points.

●      Implemented JAXB Unmarshallers to read the data from Concepts (e.g.: Flowsheet, DisplayGroup, Finding etc.,) and to convert them to Java Objects.

●      Applied XSLs in Java to retrieve the necessary definition XMLs from the ECR.

●      Implemented the persistent layer with JDO (BEA KODO).

●      Actively involved in installing and creating the workflows in AntHillPro for continuous integration loops for MIT and AIT.

●      Refactored code base to split EJBs based on services and implement changes to the deployment descriptor files as part of the application security.

●      Implemented Orders Module subtasks using JMS and MDBs.

●      Developed transformer classes to parse the Inbound HL7 message (Health Level 7) and to convert the same in Soarian Clinical specific format using JAXB.

●      Developed “Fitnesse” fixtures to verify the functional work flows in various modules like ORD, ALG, CLN and CHG.

●      Involved in bug fixing and resolving issues with the QA.

●      Building Software modules using Apache Ant1.5 and AntHillPro 3.3.6.

●      Generated the code coverage reports using Coburtura and improved the code coverage by adding in-container and Junit tests.

Environment: Jdk 1.5, EJB 2.1, BEA KODO 4.0, JMS, WAS 6.1, Eclipse 3.2, Xalan, Xerces, Oracle 10g, SQL Server 2005, Subversion 1.4, Fitnesse 2.0, Junit 3.8.1, Check Style 6.0,OpenGrok,Axis 1.2.1

 

 

SUNGARD EXP, Birmingham,AL                                   Duration: Sep 2004 – Jul 2006

EXP AG 9.0                                                                             Sr.  Java Developer

 

EXP AG is a suite of software solutions that provide a platform for capturing, automating, integrating, managing, and measuring complex business processes. EXP AG blends business process management (BPM), document and content management with Business Activity Monitoring (BAM) into a single cohesive platform. EXP AG's software is trusted and tested daily at the top financial services institutions across the globe, as well as at large and small operations both inside and outside of the financial services industry. Its modularity and adaptability allows organizations to build a fit-to-purpose solution that addresses their unique challenges

 

Responsibilities:

●       Developed the serverside components for the Fax, Case and Document modules using EJB2.0, applied the Session Façade, Service Locator, Value Object, DAO patterns.

●       Developed the EJB components required for the Task search modules and implemented the enhancements for the Task search module.

●       Designed and Developed the WebForms module, including both the UI and the struts serverside components, like Individual webform, Institutional webform, Prep-sheet webform and Milliman Participant Request webform.

●       Interacted with the client(TIAA-CREF) POC for resolving issues related to webforms.

●       Involved in code review and implementation or code review changes.

●       Writing JUnit test cases across all tiers.

●       Involved in bug fixing and resolving issues with the QA.

●       Currently working on a POC for the integration requirements of CARNOT, a BPM product with the OMNI product of SUNGARD.

 

Environment: 

JDK1.5, EJB2.0, Servlets, JSP, Struts1.2, Weblogic 8.1 Server, Windows XP,Solaris, WSAD 5.1, Oracle 9.i/10g, MSSQL Server 2000, SVN, Right Now Web.

 

 

 

 

IBM Global Services, Bangalore                                          Jun 2003 to Aug 2004            

COS (Commissions System – SPRINT TELECOM)               Sr Developer

 

The COS application is one of the numerous applications used by SPRINT to manage their day-to-day business. It is the core Enterprise Incentive Management system used by SPRINT for all its network sales force in the US. It is built around the leading EIM software, TrueComp, thereby leveraging the various features of TrueComp like advanced Rules Engines and reporting features. Various rules like Credit, Measurement, Incentive and Deposit can be created/applied and the compensation of each Participant can be automatically generated based on various factors like the Participant’s position, Position type, position Assignment etc.

A web portal also provides access to various data for all the parties involved.

 

Responsibilities:

 

●       Involved in requirements gathering for Quota maintenance module using Telelogic DOORS

●       Designed and Developed the Quota maintenance module for the COS WebPortal which will be used by the Supervisors to determine the quota target for the sales force using JSP, Servlet, EJB1.0, Oracle PL/SQL, applied the Session Façade, Service Locator and DAO design patterns.

●       Designed and Developed the Rampup, Guarantee and Appeals web interfaces using JSP,EJB1.0,Java classes and PL/SQL Stored Procedures.

●       Developed a web interface to monitor the pipeline process of the Truecomp system.

●       Developed the class diagrams, sequence diagrams in UML using Rational Rose 98

●       Worked on data transformation tasks using Informatica 6.2.1 workflow mappings. 

●       Responsible for adherence to proper usage of CM Synergy.

●       Ensure adherence to coding guidelines and standards as specified by the EDP (Enterprise Development Process).

●       Conducted  design and code walkthroughs/reviews.

●       Reviewing  test cases, bug fixing

●       Updated Project plans.

●       Involved in CRB meetings

●       Building Software modules using Ant

 

 

Environment: Servlets, JSP, EJB1.0 Weblogic 6.0, WindowsNT, Unix, JBuilder, Oracle 7.i, TrueComp 3.i, Informatica 6.i, CM Synergy, CM Change Management.

 

 

ZapApp(First American Corp), Bangalore                  Duration: April 2002 – May 2003

FAIS (First American interactive Services)                Developer / Module Lead

 

The FAIS platform is a J2EE technology offering that facilitates all aspects of the home buying process. The marketplace will connect consumers, mortgage lenders, loan officers, loan managers, real estate brokers and real estate agents in a unique way. First American brings industry dominance in providing products and services( i.e. title, credit, appraisal, flood) to the real estate industries. It acts as a conduit for the order and delivery of service products between lenders and First American. It consists of many components including Order Management, Product Management, Entitlement ,Qualification & Eligibility, Workflow,Pricing, Security etc and a Portal UI developed using Weblogic 8.1(Sp4) portal workshop.

 

Responsibilities:

●       Designed and Developed use cases like ’User Mgmt’,’Group Mgmt’,’Realm Mgmt’,’Domain Mgmt’ in the Security module using JAAS, EJB2.0, JSP1.2, Servlets2.3, MBeans, iPlanet LDAP SDK3.0.

●       Developed the Custom Authentication Provider using Java classes, Interfaces, Weblogic APIs and LDAP.

●       Implemented the Password policy for users using LDAP Server Controls.

●       Designed and developed the Permissions (Authorization) use case using custom LDAP object classes and Java Bit operations

●       Developed an LDAP data migration utility

●       Designed and Developed Product Management Module using java classes, Interfaces, XML, Xpath, applied the Session Façade, Service Locator, Value Object, DAO and Value List Handler J2EE design patterns.

●       Writing JUnit test cases

●       As a Module Lead was responsible for ensuring training / adherence to proper usage of Rational Clearcase and Rational ClearQuest

●       Was responsible for ensuring adherence to coding guidelines and standards.

●       Conducted peer / team design and code reviews.

●       Providing support to the Business in resolving issues with the QA and the DBAs

●       Responsible for preparing / updating Project plans.

●       Assisting the Build team in the integration of Security, Entitlement and the Product Management modules.

●       Building Software modules using Apache Ant1.5

●       Maintaining software module versions using Rational ClearCase v2003.06.

●       Developed the Components design diagrams that include class diagrams, sequence diagrams in UML using Rational Rose 2000

 

Environment: 

J2EE1.4/JDK1.4, EJB2.0/1.1, Web Services, Servlets, JSP, Weblogic 8.1 Portal Server (Cluster Setup), Xalan, Xerces, WindowsNT, Solaris, Eclipse 3.0, Oracle 9.i, iPlanet LDAP server 5.1, Rational ClearCase v2003.06, Rational ClearQuest v2003.06, Rational Rose 2000.