Md Abu Sayeed Khaled has over 20 years of experience in IT with a focus on Oracle databases, data warehousing, and ETL processes. He has worked on projects involving data migration, extract transformation and loading, database design, performance tuning, and report/form development. Khaled is proficient in SQL, PL/SQL, Java, and has experience with tools like Oracle Forms, Reports, SQL Developer and Toad. He holds an MSc and BSc in applied physics and electronics from the University of Rajshahi in Bangladesh.

1. Md Abu Sayeed Khaled
Mobile:6138840024
Email: khaledtoronto@gmail.com
Security Status: Secret
Professional Summary:
• Over 7 years of experience in IT industry especially in Enterprise Data Warehouse and Data Mart applications,
client/server business systems and Decision support Systems (DSS) analysis, design, development, Testing and
implementation. Loading and maintaining Data Warehouses
• Strong knowledge of Extraction Transformation and Loading (ETL) processes .
• Designed the mappings between sources external files and databases such as Oracle, DB2 and XML files to
Operational staging targets and Implemented logic for Slowly Changing Dimensions.
• Knowledge of Dimensional Data Modeling – Physical and Logical Data Modeling using ERwin 4.1/3.x., Star
Schema modeling and Snow Flake Schema modeling.
• Excellent expertise on PL/SQL Procedures & SQL Queries that includes Cursors, Bulking techniques, Procedures,
Functions and Packages, Oracle Supplied Packages, Collections, Partitioned Tables, Triggers, Materialized Views,
Table Indexing, Index Organized Tables (IOT), SQL*Loader, ETL Tools etc
• Expertise in working with various operational sources like DB2 ,SQL Server, Oracle, Teradata.,MY SQL
• Experience in involving Strategies and developing Architecture for building a Data warehouse by using data
modeling tool ERwin.
• Strong understanding of the principles of DW using Fact Tables, Dimension Tables and star schema modeling.
• Excellent knowledge of studying the data dependencies using Metadata stored in the DataStage Repository.
• Hands on experience in writing, testing and implementation of the Stored Procedures, functions at Database level
using PL/SQL.
• Extensive experience in loading high volume data and performance tuning.
• Experienced in using Microsoft Office: MS word, Excel Spreadsheet, PowerPoint and Outlook.
• Played significant role in various phases of project life cycle, such as requirements definition, functional & technical
design, testing, Production Support and implementation.
• Have good experience in TOAD, SQL DEVELOPER
• Experience in Designing, development of Customized application modules using Oracle Developer Suite(Oracle
Forms, Reports)
Technical Proficiency:
Languages and Frame SQL, SQL plus, PL/SQL, HTML, ASP.Net MVC, C# , Java, Java web skills (HTML, CSS, Servlets,
JSPs, Javascript, Hibernate, Spring MVC, Tomcat, Eclipse),
RDBMS Oracle 11g/10g/9i, DB2,MS SQL Server 2000,MYSQL
Oracle tools Oracle Forms11g/10g/9i/6i, Oracle Reports11g/10g/9i/6i
Case tools ERwin 7.3, E/R Studio
Oracle Application Suite Oracle E-busines Suite 11i( Finance), Banner
Methodology/Best Practice Oracle CDM Advantage 2.0, AIM
Others Tools /Technologies TOAD, SQL Developer, SQL Navigator, SQL Loader
Operating Systems Unix, Solaris, Linux, Windows
Professional Training:
• Develop PL/SQL Program Unit by Oracle University
• Introduction to Oracle SQL&PL/SQL by Oracle University
• Oracle Forms Developer: Build Internet Application I by Oracle University
• Oracle Forms Developer: Build Internet Application II by Oracle University
• Oracle Application Server 10g, Oracle Discoverer10g In house training, UAE Armed Forces
• Java Programming language by Sun Microsystems
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2. Professional Experience:
Client Elavon, TN, USA [May 2012 – - April, 2013]
Role: PL/SQL Developer
Tasks
 Wrote PL/SQL code for payment processing for all types of Credit and Debit Cards, Check Conversion, Gift and
Prepaid Cards, Payment Terminals, Risk Management ,Fraud Control and Controlling privileges and permissions to
users of the database and all applications.
 Wrote PL/SQL code for qualifying for the Advanced Internal Rating Based approach for credit risk (A-IRB), Capital and
Operational risk of the Basel II Accord.
 Prepared extract specifications from source systems.
 Prepared ETL specifications describing the process and controls
 Prepared mapping spreadsheets showing source and target data elements and transformation rules.
 Involved in SQL tuning using SQL-Trace, Tkprof and Explain plan utilities.
 Involved in creating Index’s, passing hints, analysing the table statistics and Table partitioning.
 Involved in the design and implementation of the process for loading the monthly, loads coming from flat files in to
staging tables in the Oracle Data base using SQL* Loader.
 Extensive use of Bulk binds and Bulk Collects.
 Developed UNIX Shell and PL/SQL scripting for regular maintenance and production support to load the data in regular
intervals.
 For supporting Data Extraction, transformations and loading processing using SQL* Loader
 Wrote PL/SQL code for Scd Type-2 implementation
 Developed web based applications using Java, JSP, JavaScript, Hibernate, Eclipse, Tomcat, CSS
Client Acxiom Corporations, AR, USA [Sept 2011 – April 2012]
Role:Oracle PL/SQL Consultant
Tasks
 Created PL/SQL Procedures & SQL Queries for the ETL Converting/Migrating data from Mainframe, DB2, Oracle,
XML, Flat files into Oracle database tables for Data warehousing and BI purpose.
 Modified shell scripts to call different procedures and functions in different environments to run
in different time periods.
 Created database objects and Developed and modified PL/SQL packages, functions, procedures, triggers using index,
hints, global temporary table, Cursors, Ref-cursors.
 Gathered the requirement from the client and translated the business design into Technical design.
 Monitor performance and changing performance requirements through application of database tuning and performance
optimization techniques.
 Designed forms and reports using Developer 10g according to the client requirements. Triggers, procedures and
functions are developed in this reports using PL/SQL.
 Created database objects such as tables, views, synonyms, indexes, sequences and database links
 Scd Type-2 implementation using Informatica
 Coordinated the activities of Mainframe source team, data architects and QA teams.
 Prepared ETL specifications describing the process and controls at entity levels.
 Prepared mapping spreadsheets showing source and target data elements and transformation rules.
 Wrote PL/SQL code for Oracle Job Scheduling and Maintain Batch jobs.
 Wrote database triggers, created database links, synonyms, snapshots.
 Wrote Complex SQL script, Analytical Functions
 Testing/debugging/ Production support
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3. Client: Mead Johnsons Nutritions, IN, USA [Mar 2011 – Aug 2011]
Role: Oracle PL/SQL Consultant
Tasks ·
 Created database objects and Developed and modified PL/SQL Procedures & SQL Queries,packages, functions,
procedures, triggers, SQL Queries.
 Wrote PL/SQL code for Oracle Job Scheduling and Maintain Batch jobs.
 Load data into Oracle table using SQL*LOADER and EXTERNAL Table.
 Tested, debugged and took measures for maximum performance utilizing query optimization.
 Wrote triggers, packages, functions and procedures etc.
 Modified shell scripts to call different procedures and functions in different environments to run
in different time periods.
 Wrote database triggers, created database links, synonyms, snapshots.
 Testing/debugging/ Production support
Verifone, Rocklin, CA ,USA [May 2009 – Fed 2011]
Senior Oracle Consultant
Project:
Customization of Oracle Application 10.7 ERP modules (INV, PO, OE, SHIPPING, RECEIBLES etc)
Creating interfaces between Verifone and WorldChain system/ Verifone and JP Morgan Chase system
Role and Responsibilities:
• Database design to support new functionality/interfaces to integrate other external application(World
Chain/JP Morgan Chase/Jabil/Verifone Mexico/Verifone UK /Clarify application etc) with existing Oracle Application
10.7 modules
• Developed web Forms using Oracle Forms 6i and customized standard/custom Oracle Apps forms/libraries/reports
using template and reference forms to support new/modified business need
• Customization of Oracle Application ERP Modules. Including standard and custom forms/reports/library/mass
customer load process/mass order load process
• Involved in Bulk loading of data from non-Oracle data sources using SQL * Loader.
• Participated in system analysis, data modeling and database designing which included creating tables, views,
indexes, synonyms, triggers, procedures and packages.
• Developed UNIX Shell and PL/SQL scripting for regular maintenance and production support to load the data in
regular intervals.
Client: Pepsi Co. Valhalla, NY,USA [Jun 2008 – Apr 2009]
Role: Oracle PL/SQL Developer
Task:
 Created data warehouse objects – Fact tables, dimension tables, table partitions, sub-partitions, normal and bitmap
indexes, materialized views, stored packages, functions , PL/SQL Procedures & SQL Queries indexes
 Converting/Migrating data from SQL Server, XML and Flat files into Oracle database tables for Data warehousing.
 Created PL/SQL procedures to transfer data from legacy sources to staging area and from staging area to data
warehouse.
 Wrote pl/sql code using Cursors, Bulking techniques, Procedures, Functions and Packages, Oracle Supplied Packages,
Collections, Partitioned Tables, Triggers, Materialized Views, Table Indexing, Index Organized Tables (IOT),
SQL*Loader.
 Wrote PL/SQL code for Oracle Job Scheduling and Maintain Batch jobs.
 Load data into Oracle table using SQL*LOADER and EXTERNAL Table.
 Wrote Complex SQL script, Analytical Function.
 Improved query performance by query optimization - tracing the query execution plan (explain plan)..
 Testing/debugging/ Production support
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4. Client: McKesson Inc, Scottsdale, AZ ,USA [Feb 2006 - May 2008]
Role: Oracle PL/SQL Developer
Task:
 Created Complex SQL Queries using Dynamic SQL, Analytical function.
 Designed database tables, keys, indexes, grants, triggers, packages, functions and procedures etc.
 Wrote pl/sql code using Cursors, Bulking techniques, Procedures, Functions and Packages, Oracle Supplied Packages,
Collections, Partitioned Tables, Triggers, Materialized Views, Table Indexing, Index Organized Tables (IOT),
SQL*Loader, ETL Tools etc
 Wrote PL/SQL code for Oracle Job Scheduling and Maintain Batch jobs.
 Load data into Oracle table using SQL*LOADER and EXTERNAL Table.
 using SQL, JCL, REXX execs and ISPF dialog components to capture production data from VSAM or flat files
 Testing/debugging/ Production support
Client: UAE Armed Forces, UAE [Aug 1999 - Dec 2005]
Role: Oracle PL/SQL Consultant
Projects:
Inventory Management System
ERP Project
Production Control System
Vehicle deployment Application System
Task:
• Developed over 260 forms and 350 reports using Oracle Forms , Reports(/ 6i/10g) and ASP.NET
• Integrated the reports developed with Crystal Reports to run from the Accounting System .
• Analyzed user interface requirements, data modelling and created ERD diagrams with Oracle designer.
• Developed forms and report for the requisitions, issuance, demand to main store, receiving from main store
and Local purchase etc.
• Developed reports for monitoring the consumption of materials and issuance of spare parts against each job
Card.
• Developed forms and report for monitoring the fast & slow moving items, dead items etc.
• Customized forms and reports with Oracle e-business suite 11i for supporting existing applications (Oracle
financials, Oracle HRMS).
• Made regular changes in the existing Forms and Reports based on the user s requirement.
• Developed query screen by Oracle forms 10g for the consumption of materials and issuance of spare parts of
each job Card.
• Implemented Banner for Army Medical School
• Testing/debugging/ Production support
Client: National book centre under ministry of cultural affairs, Bangladesh [ Sept 1997 - July 1999]
Role: COMPUTER PROGRAMMER
Project: Library Book Maintenance
Task:
• Wrote PL/SQL Procedures & SQL Queries using Cursors, Bulking techniques, Procedures, Functions and
Packages, Oracle Supplied Packages, Collections, Partitioned Tables, Triggers, Materialized Views, Table
Indexing, Index Organized Tables (IOT), SQL*Loader, ETL Tools etc.
• Created Tabular Forms, Created Parameterized Reporst, Created Drill Down Reports, created batch processes
using oracle forms and reports
• Supporting existing applications
EDUCATION
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5. MSc in Applied Physics & Electronics, University of Rajshahi, Bangladesh
BSc in Applied Physics & Electronics , University of Rajshahi, Bangladesh
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6. MSc in Applied Physics & Electronics, University of Rajshahi, Bangladesh
BSc in Applied Physics & Electronics , University of Rajshahi, Bangladesh
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