AT&T
iAccess Architecting / Development, Atlanta, USA (Sept-08 to till date)
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Technologies: J2EE
(Java 5 and 6), Weblogic 8.1,9.1 and 10.1, Spring 2.5, EJB 3.0, Jprobe, Hibernate,
Ant build scripts, lunt build server, Sun Unix, UML, JavaMail, JDBC, Ant
builder, Oracle 9i, JNDI, LDAP, Load Runner, CVS, Junit, eclipse, Apache POI
3.2 HSSF, Jfreechart , JCS (Java Cache System) and Agile model
Description: Project focuses
on the architecting, development the AT&T iAccess application. iAccess is
a multipurpose web based application used
for provisioning AT&T customer portal, portal server monitoring (jmeter),
multi-server SSH utility (Ganymed SSH2) and reporting. Work on customer
portal enhancements.
Roles and Responsibilities:
- Architect and
developed the iAccess application for AT&T portal using the Spring
MVC (MVC architecture) along with Hibernate.
- Developed the
project from scratch in Agile model and deploy the application in short
period of time.
- Designed and
developed multi-server SSH web tool, Server Monitoring utility
- Woked on performance
tuning, fixing memory leaks in Portal and iAccess applications (JProbe)
- Recommended and
implemented the Java Cache System and Jfreechart for Sunrise dashboard system.
- Developed the
generic ant build script for development (Windows) and production
servers (Unix). Setup the lunt build server for schedule and automated
builds
- Implemented Security
framework using LDAP (Active Directory)
- Implemented Apache
POI 3.2 HSSF excel for Reports.
- Design and developed
the generic audit framework, which can be used as plug and play
component in any application.
- Migrated the Service
ware functional to iAccess application
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Cbeyond
OSS Development, Atlanta, USA (Aug-07 to Sept-08)
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Technologies: J2EE, EJB
3.0 ,Web Services (Axis), SOAP, XML, XSL Spring- MVC framework, Weblogic9.1,
Tomcat 5.1, Hibernate, Unix, UML, EJB, Velocity, JavaMail, JDBC, Ant builder,
Oracle 9i, JMS Server, JNDI, LDAP, Load Runner, Test Director, Sub version,
Junit and Spring Unit, eclipse,
Security framework using JAAS and JSSE and agile model
Description: This assignment involves multiple projects like 1. Architecting and
developing the Cbyond SOA layers to integrate the internal system with
external systems , 2. Re architecting the CBOL Portal with Spring frame work,
so application able to handle the system loads 3. Functional development for
CBOL milestones deliveries using Agile model.
Roles and
Responsibilities:
- Architect and
developed SOA (Service Oriented Architect) layer for Cbeyond
Vendor Integrated system using Axis 1.3, Web service, JMS Tops, XML and
XSL technologies
- Re architect Cbeyond
Portal in Spring MVC framework (Service layer with light weight POJO
objects, Hibernate integrated Transaction layer) to increase performance
and available
- Hand on in the
prototype and development stages
- Continued leadership
in the definition of a new, layered, architecture for the system, and devising
techniques to allow the old and
new architectures to work together under the same application
- Delivery responsible
for the Cbeyond main and quick hits release in SDLC with 30 resources by
providing best practices, OO design, programmer testing, automated
builds, etc.
- Designed, developed,
and deployed a new single sign on (SSO) framework for Cbeyond OSS
applications.
- Implemented Security
framework using LDAP (Active Directory) and JAAS
- JBoss
Server used in the prototype and development phase for SOA architecture
and Spring prototype
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Abbott MESA Project , Chicago , USA
(Aug-05 to Aug-07) Maintenance
& Enhancement
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Technologies: J2EE, WebSphere 6.0,
Tomcat 4.8, UML, Struts framework, Web Services, EJB, JDBC, Ant builder,
Oracle 10g, Optimizeit, JProfile, JNDI, LDAP, MKS, CVS, Junit, J Cactus,
eclipse, Jboss and RUP model
Description: This project focused on the consolidation and re architecting Abbott
Cluster application suite and provided milestone delivery support
Roles and
Responsibilities:
- Responsible for
Architecting the Abbott MESA application suites by using Strut
framework, Web Services, and EJB services.
- Led the framework
selection process. Adopted the Struts framework/ Web services and the
recommendation turns out to have been a great one.
- Implemented
Security framework using LDAP (Active Directory)
- Executed
the project in complete SDLC process from requirement, design,
development, testing and deployment with 20 resources
- Technical oversight
and hands-on development in the many new or rewritten system
features
- Automated test scenarios
using JUnit and JCactus
- Evangelist for the
highest possible quality in our deliveries, including not only code
correctness and performance, but documentation for our end users.
- Performance
tuning of infrastructure services using Jprofile
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Bench Mark / Tear Down
,Chennai, India ( Jan – 05 to July –
05)
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Technologies: J2EE,
Weblogic8.1, Sun One Server, Solaris, UML, Servlet, JSP, EJB, JDBC, Ant
builder, Oracle 8i, JProbe, JNDI, LDAP, CVS, Junit, Cactus, J2EE Design patterns and eclipse
Roles
and Responsibilities:
- Architect, designed
and implemented a Bench Mark /Tear down applications in strut
framework
- Delivered projects
from requirements to deployment phases (Complete SDLC) with 30
resources
- Performance tuning
the Web application using JProbe. My work resulted in a roughly 50%
improvement in responsiveness of the application to online queries, and
brought the application well into established SLAs.
- Evangelized the
JUnit, testing framework.
- Consulting and
mentoring on object-oriented design and WebLogic Server architectural
clusters.
- Hand
on the Bench mark modules on the development
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Credit Application
Exposure System (CEAS) Canada ( May –04 to Jan –05)
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Technologies: J2EE,
Weblogic8.1, Tomcat, Solaris Unix, UML, Struts, JSP, EJB, JDBC, Maven builder, Oracle 8i, Optimize It, JNDI,
LDAP, CVS, J Unit, J Cactus, Enterprise Architecture and eclipse
Roles and
Responsibilities:
- Architect and
implemented CEAS applications for Canadian bank using multi tier
architect, Struts, EJB with best design patterns (Session Faรงade,
business delegate, DAO layer, transfer object and abstract proxy
patterns)
- Project
execution and management responsibility for Cognizant – Canadian
bank projects with 40 resources
- As project developed
from scratch, identifying appropriate development, testing tools
methodologies and deployment architecture.
- Design the project
using rational rose tools and provided best design patterns
- On hands on the
modules, provided the technical support to team
- Build the project
using ant script, later upgraded to maven scripts
- Developed the Junit,
Jakata cactcus suites for testing the code and EJB beans
- Preformed the load
testing and turn the SQL and code to provide better performance
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Direct Way Retail Service
,Bangalore , India (Nov –03 to April
–04)
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Technologies: J2EE,
Weblogic7.1, Tomcat, UML, Web service, SOAP, XML, XSL,JSP, EJB, JDBC,
ant builder, Oracle 8i, Optimize It,
JNDI, LDAP, CVS, JUnit, and eclipse
- Proposed DWRS
architecture in the Web service to integrate application in the J2EE and
ASP application using XML and XSL technologies
- On hands on the
application development and setup the Junit test case suites
- Implemented the
design patterns like singleton, proxy pattern, abstract factory patterns,
DAO layers, etc…
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Nortel Network
Application Developments, Canada (May
–00 to Oct 03)
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Technologies: J2EE, Java, Tomcat, Weblogic, EJB, Unix,
UML, Swing, Applet, AWT, XML, DTD, JDBC, Ant builder, Oracle, Clear case,
Clear quality , JUnit, JBuilder, TL1,TCP/IP,FTP,http Server, Classic
waterfall model and iterative
Roles and
Responsibilities
- Hands on the NMS and
EMS application layers for Nortel networks
- Re architect EMS
layer in the multiple layers by introducing the middle tier architecture
- The application
developed in Client, Middle and backend Tier. The Client application
developed using Swing technologies. Swing used to design the look of the
real network element and operate them (like removing card from network
self, raising alarm, etc.)
- Replace the RMI
architecture with EJB architecture to increase performance and
reliability in the distributed computing system
- Involed in the
requirement collections, analysis for enhancement and design
- Developed
the Nortel Networks application suites almost single handled like light
weight craft, alarm monitoring systems, networks stimulation, EMS and
NMS systems etc…
- Automated test
scripts using Junit suites to robust the sanity checks
- Development build
scripts using the ant scripts for Nortel Networks Suites
- Design the
application using use case development and UML tools (Rational Rose
tool)
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