Hamsa Balaji has over 20 years of experience in database administration, application development, and business intelligence. He is an Oracle Certified PL/SQL Developer and Database Administrator with extensive experience developing data warehouses using Oracle, SQL Server, DB2, and ETL tools like Informatica and DataStage. He currently works as a Systems Engineer at Wells Fargo where he leads the development and implementation of complex data warehouse schemas and reporting solutions.

1. HAMSA BALAJI
11800 Piedmont Road,
Clarksburg, MD – 20871
(301) 326 6578 (C)
Email: hamsapoorna@yahoo.com
EXPERIENCE SUMMARY
Close to 20 years of experience in client/server and data warehouse application
development and administration using ORACLE, SQL SERVER and UDB DB2.
ORACLE certified PL/SQL developer and database administrator. Extensive
experience working with large databases (terabyte), ETL expertise utilizing Data Stage
Ascential, Informatica and reporting design, development experience using Business
Objects Software suite and Qlikview(Dashboard). Proven experience in all phases of
Software Development Life Cycle. Proven experience in communicating more prolifically
to all levels of management and very versatile team player. Certified Project Management
Professional (PMP).
TECHNICAL SKILLS
Languages: C, C++, PRO*C, PERL
Systems: UNIX (AIX, SUN, HP, SCO), MS DOS, WINDOWS, NT, TSO
Software: Oracle V11g (SQL*Plus and PL/SQL), UDB DB2, Shell
Scripting, SQL Navigator, TOAD 10.6, PL/SQL Developer
GUI Tools: Oracle 9i Forms (Web development), Visual C++
Business Intelligence: Business Objects Designer, DESKI, WEBI
Others: QLIKVIEW, CLEARCASE, AUTOSYS
ETL Tools: Informatica 6.0, DataStage Ascential 8.1 & 9.1
TRAINING, CERTIFICATION & HONORS
1. ORACLE 9i PL/SQL Developer Certified Associate & ORACLE 10g Database
Administrator Certified Professional.
2. Certified PMP (Project Management Professional).
3. Certification in DALE CARNEGIE course. (Honored with Breakthrough,
Vision, Crashing Through and Human Relations awards)
4. Extensive training in Business Objects products, QlikView and ETL tools.
5. Consistently received several ‘shared success awards’ and ‘Achieving Excellence’
Awards
EDUCATION
Bachelors in Computer Science and
Masters in Computer Applications.
WORK EXPERIENCE

2. HAMSA BALAJI
Operational Risk Systems and Data Mgmt -Systems Engineer 5
Wells Fargo, MD 07/11 – Present.
Wells Fargo’s ORR application is a common reporting and analytics environment
comprised of powerful and flexible reporting front-end backed by data from various
compliance and operational risk modules. ORR pulls data related to operational risk
combining Assessment data from the Risk Control Self-Assessment (RCSA) module and
reviews, issues and corrective action data from the Centralized Issues and Corrective
Action Tracking (CICAT) Module.
Responsibilities:
• Lead development and implementation of highly complex Star schema
Datawarehouses/ Datamarts for reporting – Using ORACLE, Datastage
Versions 8.1 /9.1 and Business Objects. Mentor other developers and/or
contractors, as assigned.
• Demonstrated excellence and leadership in Production support with complete
self-direction towards all CRS that come into Clear Quest Queue for ORR.
Proven troubleshooting skills/knowledge in Application use of database in all
layers – backend, middleware front end.
• Ensured all deployments adhered to Enterprise Change and Problem Mgmt.
Involved in creation of standards documentation for ETL development and
ensured the team followed.
• Primary ETL architect/developer monitoring the day-to-day ETL jobs.
• Involved heavily in architecting technical solutions from requirements thru
design thru production support keeping the performance goals in mind.
• As a CERTIFIED PROJECT PMP, ensured the applications are developed
according to standard processes.
• Ensured all deployments adhered to Enterprise Change and Problem Mgmt.
Involved in creation of standards documentation for ETL development and
ensured the team followed.
• Recipient of several shared success, Team Excellence and GOLD COIN
awards.
• As part of continuing education credits needed for several of my certifications,
I focus primarily on emerging technology and trends
Collateral Risk Management Systems -Systems Engineer 4
Wells Fargo, MD 11/06 – 06/11.
Wells Fargo’s Collateral Risk Management Systems offers a unique combination of
accurate and comprehensive information on structured transactions, in-depth investment
surveillance, Risk monitoring and flexible specialized reporting helping to identify, monitor
and assess risk.
Responsibilities:
• Design and development of ETL, Business objects and Qlikview applications
that capture stores and presents specific measurements as defined by business
requirements for data analysis and reporting.
• Design, implement and maintain the reporting database that was created for the
reporting data warehouse.

3. HAMSA BALAJI
• Interact with business users directly to help extract and come out with
templates for requirements and assist in various stages of project from
Blueprinting, realization, implementation and post implementation support
• Developing/Enhancing processes to integrate data from source systems to
RDW using ETL, PL/SQL, and UNIX. Writing oracle PL/SQL procedures,
functions to support backend activities.
• Responsible for various application DBA activities including but not limited to
performance tuning, troubleshooting, and optimization of reporting solutions.
• Qlikview and Business Objects Development lead.
Health Education Assistance Loan-> Senior Application DBA
Health Resources and Services Administration (HRSA -US Government)
12/05 – 11/06
HEAL program provides loan guarantees to students entering certain health profession
schools in a timely and efficient manner using the online web based application called the
HEAL Online Processing System (HOPS) addressing strategies for protecting, preserving,
validating, sharing, reusing and disseminating the loan information stored in its databases.
Responsibilities:
• Technical Lead support for the entire database design, implementation and
sustainment. Plan growth and changes (capacity planning)
• Designed, developed and implemented applications using Oracle and ASP
.NET to automate the batch input functionality, Password Functionality for
HOPS. Work as part of a team and provide support.
• Responsible for all Application DBA functionalities including database
security, user administration, Complex tuning activities, monitoring
performance, performing database exports/imports, database and application
tuning. Setup and maintain documents and standards
• Participate in front end application and report changes to support above
functionality
Demand Capture Conversion Project-> Software Consultant
Marriott Reservation Data Warehouse (MRDW) at Marriott International
11/04-11/05
MRDW is Marriott’s Reservation data Warehouse empowering lodging associates to
access reservation information necessary and relevant to making profitable lodging
business decisions. The Demand Capture Conversion project is aimed at modifying
MRDW’s existing non-price turndown processing and related reporting to handle the new
Statistical Unconstrained SU data from mainframe (OMNI)
Responsibilities:
• Design, develop and implement solutions for receiving, processing and storing of 2
years of historical SU data in very large partitioned tables to support year over
year comparisons in reports and cubes.

4. HAMSA BALAJI
• Developing/Enhancing processes to integrate data from source systems to RDW
using ETL (Informatica), PL/SQL, and UNIX. Writing PL/SQL procedures,
functions to support backend activities.
• Performing complex data warehouse SQL tuning activities, monitoring to improve
processing time. Performing data warehouse DBA activities. (Create, drop,
rebuild partitions, monitor database table spaces etc)
• Responsible for analyzing complex business requirements, perform all related data
mapping for Marriott’s data extract requests resulting in excellent deliverables.
• Expert documentation support from design thru post support. ( responsible for all
technical design specifications)
VISTA Development/Support (consultant) at NASD
(View for Internal Surveillance and Trading Analysis) 07/04 – 11/04
NASD is charged with regulating the securities industry and the NASDAQ Stock Market.
VISTA assists market regulation, enforcement and district users in conducting routine
examinations, identifying unusual trading practices, abuses and analyzing trading patterns.
Responsibilities:
• Writing and enhancing programs in PL/SQL, PRO *C, C, UNIX shell scripts to load
and support huge partitioned tables that contain trade, quotes data on a daily basis.
• Running, monitoring and tuning the above ETL jobs/activities on a daily basis to
improve performance.
• Testing and modifying application processes for migration from SEQUENT to SUN.
• Performing various application related DBA activities to support large (4 terra byte)
database (create, drop, rebuild partitions, monitor database table spaces, write SQL
scripts for archiving partitions, tune SQL queries etc)
• Create VDD (Version Description Document) documents to run above jobs in
production when necessary thru PVCS.
YP/WP Conversion (Technical Architect) at SBC 12/00 –
05/04
Yellow Pages and White Pages directory systems were developed using Oracle. As part
of the conversion, data files are collected from various mainframe systems and fed into
Oracle using SQL Loader. It is then transformed and manipulated using PL/SQL for
loading various conversion and service order related tables.
Responsibilities:
• Involved in Design review meetings to interact with different clients to finalize &
document requirements. Involved in data mapping to create technical design
documents. Documented the requirements and created program Instruction
(specification) based on the requirements.
• Analyzing the business requirements and writing PL/SQL procedures, packages and
functions as part of YP/WP conversion.

5. HAMSA BALAJI
• Create VDD (Version Description Document) documents to run above jobs in
production when necessary thru PVCS and troubleshooting them again for data fixes.
• Writing UNIX shell scripts to support backend utilities.
• Developed separate programs in C/ Pro*C for batch mode processing and online mode
processing to implement address validation.
• Wrote Unix Daemon scripts to automate address validation process on a daily basis.
Repair Order System for IIS 8/00 – 11/00
The functionality of the system includes Stock Maintenance, Repair Operations (local and
third party), Parts Receipts and Adjustment of Parts Costs. The system is developed in
Oracle v8.0 and Oracle Forms v4.5
Responsibilities:
• Developing front-end interfaces / reports using Oracle Forms and reports.
• Developing database level triggers, procedures and functions using PL/ SQL.
• Determining various application locking strategies.
• Writing UNIX shell scripts to support backend utilities.
Database Administrator, DaimlerChrysler Corporation, MI. 2/00 – 7/00
Member of the DaimlerChrysler Database Administration Group. Involved in Software
installations, database administration and support/ trouble shooting activities.
Responsibilities:
• Installation of UDB and Oracle Database software on Sun, AIX and NT platforms.
• Involved in maintaining, upgrading and supporting various database instances.
• Wrote UNIX shell scripts to automate installations.
• Developed various installation standards / procedures.
• Supported developers in Writing UDB/ ORACLE stored procedures/ functions.
Inventory Control System at Software Solution Integrated Ltd (SSI),
7/96 – 6/98
The system was developed in Oracle v7.2 and Forms v4.5 in the Unix Environment. The
functionality of the system included Stock Maintenance, Purchase Order Processing and
Parts Receipts.
Responsibilities:
• Wrote detailed program specifications for purchasing module based on system design
specifications.
• Developed database level triggers, procedures and functions using P/L SQL.
• Developed front-end interfaces using Forms v4.5 and reports.
• Developed interfaces using C, C++ to validate, transform and load data from and to
legacy systems. Wrote various UNIX shell scripts to support the data exchange.

6. HAMSA BALAJI
• During the Acceptance Testing Phase, demonstrated the purchasing functionality to
on-line users, involved in correcting and modifying existing programs and screens,
designing and developing new screens to meet user requirements.
Payroll System at SSI 7/95 –
8/96
This is an enhancement to an existing Production Payroll System developed in Oracle v7.2
and Forms v4.5 in the Unix Environment. The enhancements assisted the management to
generate reports such as pay register, income tax planner, etc. Interfaces were developed
to the PF system.
Responsibilities:
• Modified existing design and program specifications to accommodate new
requirements.
• Involved in the detailed analysis and design of the enhancements system.
• Developed additional database level triggers, procedures and functions using P/L SQL.
• Developed interfaces using C, C++ to validate, transform and load data.
• Developed front-end interfaces using Forms v4.5 and reports. Involved in various
DBA activities.

7. HAMSA BALAJI
• During the Acceptance Testing Phase, demonstrated the purchasing functionality to
on-line users, involved in correcting and modifying existing programs and screens,
designing and developing new screens to meet user requirements.
Payroll System at SSI 7/95 –
8/96
This is an enhancement to an existing Production Payroll System developed in Oracle v7.2
and Forms v4.5 in the Unix Environment. The enhancements assisted the management to
generate reports such as pay register, income tax planner, etc. Interfaces were developed
to the PF system.
Responsibilities:
• Modified existing design and program specifications to accommodate new
requirements.
• Involved in the detailed analysis and design of the enhancements system.
• Developed additional database level triggers, procedures and functions using P/L SQL.
• Developed interfaces using C, C++ to validate, transform and load data.
• Developed front-end interfaces using Forms v4.5 and reports. Involved in various
DBA activities.