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EXPERIENCE SUMMARY
Oracle Certified Professional (OCP), Oracle PL/SQL Developer with close to
* ***** ********** ** *** design and development of Oracle University/
Oracle Education Online applications. Worked with Oracle University
Maintenance and Support team at Oracle Corporation. Possesses strong
knowledge of Oracle SQL, Pl/SQL, Mod-Pl/SQL, HTML DB, Data Warehousing
concepts, data modeling techniques. Worked as a point of contact for
customers and has excellent experience working in offshore-onsite model.
Experienced in managing small teams.
Excellent communication and interpersonal skills with good analytic power
and client facing skills.
Skills Matrix
PL/SQL SQL Mod-PL/SQL
Testing UNIX Shell scripts TOAD
Java script Performance Tuning SQL Plus
SQL Developer C,C++ Data warehousing
Operating Systems : Windows Xp, Windows vista, Unix
Database : Oracle 9i,10g
PL/SQL Concepts : Stored Procedures, Functions, Triggers, Packages,
Cursors, REF Cursors, Collections,
Materialized views, Exception Handling
Oracle Discoverer 10g
PROFESSIONAL EXPERIENCE
Oracle Corporation, Bangalore, India
July 2007 - April 2010
Senior Oracle PL/SQL Developer
Oracle Corporation (NASDAQ: ORCL) is a multinational computer technology
corporation that specializes in developing and marketing enterprise
software products - particularly database management systems. Headquartered
in Redwood City, California, United States, Oracle employs more than
100,000 people worldwide.
Industry: Training&Education
Environment: Oracle 9i, SQL, Pl/SQL, Java scripts, HTML, Mod pl/sql, HTML
DB
Project 1: Oracle University Resource Center (OURC)
Oracle has partners and contractors globally across all the regions like
APAC, NORTH AMERICA, LATIN
AMERICA, JAPAN AND EMEA.OURC is an online application which is being used
by Oracle University
Instructors and the Regional Managers across the globe. This OURC is used
by the Oracle Instructors, Partner
Instructors and Contractors. All users have their own access to the
application. This application is a one point
show stop of all the information about the Oracle University Classes that
are scheduled, Instructors handling
The classes, the student evaluations etc.,
Responsibilities:
. Requirement gathering and enhancing the features of OURC application.
. Development, Support and maintenance of Oracle Education site
http://education.oracle.com.
. Created SQL scripts, PL/SQL stored procedures to extract data and show
them on the UI of the OURC application.
. Tuned complex SQL queries running in Oracle Education portal database.
. Developed materialized views to be used by the Oracle Education
portal. These views were created to enhance performance of the system.
. Worked on Collections like Record type, Table data types.
. Worked on REF cursors with in the procedures to dynamically run the
cursor queries.
. Created reports in Mod Pl/SQL to extract data from various data marts
which are used by the instructors, users, regional managers of Oracle
University globally
. Created various reports that provide the required information to the
users of OURC. The reports included Event Schedule reports, Instructor
Schedule reports, Evaluation reports, etc.,
. Created Refresh procedures, stored procedures, designed collections,
triggers to be used on the Oracle Education portal.
. Created technical documents and Developer Guides for the customer
facing applications.
. Resolved bugs and other issues arising in Oracle Education site.
. Conducted technical trainings on Oracle SQL, PL/SQL as part of Oracle
academy.
Project 2: Oracle University E-Attendance
E-Attendance is an online application that is being used by Oracle
University worldwide. It's an application which is used by the OU
instructors and the customers/students who attend the class. Students who
attend the class sign in the attendance using this application. The
instructor checks that all the students signed in and he verifies the
attendees list. This list is the main report which is being used by the
Oracle University to charge the customer and get the revenue. This is a
customer facing application which should be up always since it effects the
revenue generation of Oracle University. This application is developed in
Mod PL/SQL and the reports are developed in HTML DB. Oracle partner and
contractor employees also can attend the classes.
Responsibilities:
. Requirement gathering and enhancing the features of Oracle University
EAttendance
. Development, Support and maintenance of the customer facing
application
. Provided UI enhancements to the Reports available on Oracle
EAttendance portal.
. Created reports in HTML DB to extract data from various data marts
which are used by the instructors of Oracle University globally.
. Created SQL scripts, PL/SQL stored procedures to extract data from
OLTP systems & to load into the data marts.
. Created reports using Oracle Discoverer 10g
. Tuned complex SQL queries running in Oracle EAttendance portal
database.
. Developed materialized views to be used by the Oracle EAttendance
portal. These views were created to enhance performance of the system.
. Designed and developed Business Reports to be used by the customers on
Oracle EAttendance portal. The reports included Student sign in,
Instructor verify reports etc.,
. Created stored procedures, designed collections, triggers to be used
on the Oracle EAttendance portal.
. Created technical documents and Developer Guides for the customer
facing applications.
. Resolved bugs and other issues arising in Oracle Education site.
. Trained other developers/team members on functionality of the
application and on Oracle's coding and compliance standards.
. Resolved high priority issues with a quick turn around time.
Achievements:
. Awarded as "The Unsung Hero" for the 2009-Q3 for the best performance
and contribution towards the enhancement of the customer facing
applications.
. Received a memento for mentoring the junior developers efficiently and
supporting them to work on board.
. Resolved the highest number of issues raised in the online
applications with quick turnaround time.
Wipro Technologies, Bangalore, India
November 2004 - June 2007
Oracle Developer
Wipro Technologies Limited is a giant information technology services
corporation headquartered in Bangalore, India. Wipro is one of the largest
IT services company in India and employs more than 108,071 people worldwide
as of March 2010.It has interests varying from information technology,
consumer care, lighting, engineering and healthcare businesses.
Industry: Banking and Insurance (Jan 2006 - June 2007)
Client: The Hartford, Connecticut
Environment: Oracle 9i, SQL, Pl/SQL, UNIX
Project Name: Claims Processing
Responsibilities:
. Involved in requirements gathering, creating functional & technical
design documents, Coding & Unit Testing, SIT and UAT.
. Responsible for development, implementation and support of the
database.
. Optimized and modified the triggers, complex store functions,
procedures etc.
. Assisted a junior developer in the development of the database,
procedures, functions, etc.
. Responsible for the dealing with the problems, bug fixing and
troubleshooting.
. Written UNIX shell scripts to execute the oracle stored procedures on
the server.
. Tuned complex SQL queries to improve the performance.
. Resolved bugs and other issues arising in Oracle Database.
. Developed materialized views to be used by the application. These
views were created to enhance performance of the system and to refresh
the data on the local servers.
Industry: Banking and Insurance (Nov 2004 - Dec 2005)
Client: UBS
Environment: Oracle 9i, SQL, Pl/SQL
Responsibilities:
. Understanding business data relationships
. Created Complex SQL queries and PL/SQL procedures
. Created database objects and refreshes for refreshing the data from
external database servers to local servers.
. Responsible for the development, implementation and support of the
database of the server.
. Optimized and modified the triggers, complex store functions,
procedures etc.
. Responsible for the dealing with the problems, bug fixing and
troubleshooting.
. Worked on materialized views and refreshed the data at regular
intervals to refresh the data on the local servers.
. Handling duties like designing, updating, debugging, writing
specifications and codes for applications.
. Maintained good rapport with the co-partners and seniors.
. Given some technical sessions to the team.
Achievements:
. Received FIMC (Feather In My Cap) Award twice for the best performance
and the maximum fixes in the application.
EDUCATION
. Bachelor of Technology in Computer Science & Engineering from
Nagarjuna University with 83.96% (2000-2004).
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VENKATA S. MADDALI