Etl Tester Resume
Woonsocket Rhode, IslanD
SUMMARY
- Over 7 + years of Professional Experience in Software Quality Assurance and Testing in different environments and platforms including Data Warehousing, Client - Server and Legacy Mainframe applications.
- Extensive experience in reviewing Business Requirement Documents, Software Requirement Documents and preparing Test Cases, Test scripts and Execution.
- Experience in Black box testing with a complete QA cycle - from testing, defect logging and verification of fixed bugs.
- Very good understanding of Data Warehousing concepts, Data Analysis, Data Warehouse Architecture and Designing
- Coordinate and tested the deployment procedure for MicroStrategy changes to the Production
- Done heavy batch testing using AUTOSYS and data validation using SQL and Toad
- Worked on different versions of Cognos for Report testing.
- Excellent Communication, Analytical and Interpersonal skills.
- Worked with IT Operations to ensure test environment readiness.
- Experience in UNIX shell scripting and configuring cron-jobs for Informatica sessions scheduling
- Experienced in working in Agile Scrum, Agile XP, Waterfall, RUP, RAD and SDLC methodology environments
- Good Testing experience in developing reports using SQL Server (SSRS)
- Extensive experience in Functional testing, Integration/System testing, Regression testing and User Acceptance testing.
- Proficient in quality assurance testing by manually and using Automation tools (QTP, ALM/Quality Center and TestDirector).
- Automated and scheduled the Informatica jobs using UNIX Shell Scripting.
- Well versed in GUI application testing, Database testing and Front-end testing.
- Experience in Financial, Banking, Brokerage, and Securities industries.
- Extensively used ETL methodology for testing and supporting data extraction, transformations and loading processing, in a corporate-wide-ETL Solution using Informatica.
- Experience in Dimensional Data Modeling using Star and Snow Flake Schema.
- Experience in testing and writing SQL and PL/SQL statements.
- Experience with Agile Methodology.
- Experience in testing Data Marts, Data Warehouse/ETL Applications developed in Informatica and Ab Initio using Oracle, DB2, Teradata and UNIX.
- Ability to interact with developers and product analysts regarding testing status and to maintain detailed QA documentation.
- Has expertise in Test Case Design, Test Tool Usage, Test Execution, and Defect Management.
- Experience in UNIX shell scripting and configuring cron-jobs for Informatica sessions scheduling.
- Experience in testing XML files and validating the data loaded to staging tables.
- Experience in Performance Tuning of SQL
TECHNICAL SKILLS
OPERATING SYSTEMS: Windows 95/98/2000/NT/XP and Linux (RedHat), HP UX 11i v1.5/1.6/2.0)
LANGUAGES: C, PL/SQL, SQL*Plus
RDBMS: Teradata V2R6 (MLOAD, FLOAD, FAST EXPORT, BTEQ), Oracle, MS SQL Server
REPORTING TOOLS: SSRS, Micro Strategy, Cognos 6.5/7.0, IBM Cognos 8
DATAWAREHOUSING: Informatica 9 / 8.6.1, OLTP, OLAP, Data Stage 8.x,, DataMart, SQL*Loader, TOAD
TESTING TOOLS: MS Project Test Scheduling, Test Director, Quality Center, QTP
PROFESSIONAL EXPERIENCE
Confidential, Woonsocket, Rhode Island
ETL Tester
Responsibilities:
- Responsible for Business analysis and requirements gathering.
- Responsible for coordinating testing throughout both systems ODS and EDW which were two different teams.
- Involved in backend testing for the front end of the application using SQL Queries in Teradata data base.
- Wrote UNIX shells scripts (Korn Shell) to generate data, extracts test data, and load data to Oracle database using SQL*Loader
- Tested SQL to extrapolate data from the autosys database to populate a spreadsheet
- Promoted Unix/Informatica application releases from development to QA and to UAT environments
- Wrote Test cases in ALM and Defect report generation using ALM (Application Life cycle Management)
- Conducted Data Migration and Data Cleansing
- Tested different reports including detail, summary reports and on demand reports developed by SSRS Report Studio
- Used Agile Test Methods to provide rapid feedback to the developers significantly helping them uncover important risks.
- Hands on experience in Automation testing using QTP
- Responsible for leading team and co-coordinating with offshore team.
- Designed and kept track of Requirement Traceability Matrix
- Quality Center updates and test cases loadingand writing Test Plan and executing Test Cases and printing status report for the team meetings.
- Involved in Integrating and Functional System Testing for the entire Data Warehousing Application.
- Used Quality Center for defect tracking.
- Performed data quality analysis using advanced SQL skills.
- Performed data analysis and data profiling using SQL and Informatica Data Explorer on various sources systems including Oracle and Teradata
- Tuned ETL jobs/procedures/scripts, SQL queries, PL/SQL procedures to improve the system performance.
- Wrote Test cases in ALM and Defect report generation using ALM (Application Life cycle Management)
- Tested reports based on the statistical analysis of the data from various time frame and division using SQL Server Reporting Services (SSRS)
- Worked on Autosys which involved in creation of Autosys jobs, execution
- Involved in data warehouse testing by checking ETL procedures/mappings
- Implemented and maintained tools required to support data warehouse testing.
- Performed all aspects of verification, validation including functional, structural, regression, load and system testing
- Tested several data migration application for security, data protection and data corruption during transfer
- Tested data migration to ensure that integrity of data was not compromised
- Created and Developed Reports and Graphs using ALM.
- Responsible to help testing team on creating test cases to make sure the data originating from source is making into target properly in the right format.
- Involved in Data Extraction from Teradata and Flat Files using sql assistant.
Environment: Quality Center & ALM 11.0, SQL, PL/SQL, SSRS, Informatica 9.0, MainFrame Flat Files, Agile, UNIX, Autosys, QTP,Teradata SQL Assistant, data migration, unix, Oracle 10G, DB2, TOAD9.7
Confidential, Richmond VA
ETL Tester
Responsibilities:
- Responsible for Business analysis and requirements gathering.
- I have imparted and organized training to newcomers in the team regarding different technologies like SQL
- Tested various operational Drill-through and Drill-down reports using SSRS
- Involved in Manual and Automated testing using QTP and Quality Center
- Written various Autosys JIL Scripts to activate the UNIX scripts in production.
- Promoted Unix/Informatica application releases from development to QA and to UAT environments
- Attending Client calls for Business understanding and Clarifications.
- Designed and developed UNIX shell scripts as part of the ETL process to automate the process of loading, pulling the data for testing ETL loads
- Worked in an Agile technology with Scrum
- Tuned ETL jobs/procedures/scripts, SQL queries, PL/SQL procedures to improve the system performance
- Designed and developed UNIX shell scripts as part of the ETL process to automate the process of loading, pulling the data for testing ETL loads.
- Wrote SQL and PL/SQL scripts to perform database testing and to verify data integrity.
- Reported bugs and tracked defects using Quality Center
- Running SQL queries and extracting data from Oracle and DB2 for data migration. Used DB Visualize
- Involved in extensive DATA validation by writing several complex SQL queries and Involved in back-end testing and worked with data quality issues.
- Written several shell scripts using UNIX Korn shell for file transfers and clean-up process
- Managed and executed the test process, using Agile Methodology
- Involved in data warehouse testing by checking ETL procedures/mappings.
- Performed the tests in both the SIT, QA and contingency/backup environments
- Performed all aspects of verification, validation including functional, structural, regression, load and system testing
- Involved in backend testing for the front end of the application using SQL Queries in Teradata data base.
- Tested several data migration application for security, data protection and data corruption during transfer
- Involved in Data Extraction from Teradata and Flat Files using sql assistant.
- Performed data analysis and data profiling using SQL and Informatica Data Explorer on various sources systems including Oracle and Teradata
- Strong ability in developing advanced SQL queries to extract, manipulate, and/or calculate information to fulfill data and reporting requirements including identifying the tables and columns from which data is extracted
- Executed the Test cases for SSRS
- Involved in creating source target mappings based on the Technical Design requirements.
- Involved in Manual and Automated testing using QTP and Quality Center.
Environment: Informatica 8.6.1/8.1, data migration, SSRS,SQL,Toad, PL/SQL, unix, Quality Center 11.0, MS Excel, Teradata 13 Agile, QTP,Teradata SQL Assistant, XML, Autosys & Putty
Confidential, Glen Allen, VA
ETL Tester
Responsibilities:
- Interacted with end-users and functional analysts to identify and develop business requirements and transform it into technical requirements.
- Involved in requirements analysis by interacting with analysts for the creation of Data marts using Informatica.
- Worked with data reconciliation for the entire data migration project for both target system and rejected re-cords.
- Worked on complete SDLC from Extraction, Transformation and Loading of data using Informatica.
- Wrote shell scripts (Korn Shell) to automate and migrate data from operational data source to datawarehouse.
- Used SQL for Querying the DB2 database in UNIX environment.
- Created and executed QTP scripts by using descriptive programming.
- Tested data migration to ensure that integrity of data was not compromised.
- Involved in designing the Data Mart model with Erwin using Star Schema methodology.
- Creating dimensions and facts in the physical data model.
- Design and Development of pre-session, post-session routines and batch execution routines using Informatica Server to run Informatica sessions.
- Tuning of SQL queries for better performance.
Environment: Informatica Power Mart 8.4, data migration, Oracle 8.1.1/9i,QTP, Windows, UNIX, Excel, SQL Server 7.0/2000, Erwin, Visio, TOAD, unix, Business Objects.
Confidential, Charlotte NC
QA Analyst
Responsibilities:
- Created Test Plan and Test Scripts and analyzed the user/business requirements. Functional specs, Use Case documents and created the Test Plans, Test cases for System testing.
- Executed of generated Test Cases Manually in QC.
- Created the Regression Test cases and automated them for the purpose of regression testing using QTP.
- Developed and maintained automated test scripts to support regression testing and participated actively in system testing and regression testing.
- Developed and maintained the regression test bed.
- Complete responsible for manual testing of the Web Site.
- Attended project meetings, release meetings, and QA status meetings.
- Conducting user interviews at both in-house and client locations, gathering and analyzing requirements using Requisite Pro RUP.
- Perform Gap analysis by identifying existing technologies, documenting the enhancements to meet the end state requirements.
- Conduct workflow, process diagram and gap analyses to derive chuck for existing systems enhancements
- Assist with user testing of systems (UAT), developing and maintaining quality procedures, and ensuring that appropriate documentation is in place.
Environment: SQL Server 2005, Oracle 8i, MS Excel, SQL, QTP, Quality Center 8.2, Windows NT, Web Logic Server 7.0, UNIX, J2EE, Oracle 8i, EJB 2.0.
