Sr. Etl Qa Tester Resume
Richmond, VA
SUMMARY
- 7+ years of experience in SQL, ETL / BI, Data Warehouse Testing, Manual Testing and web based client/server applications
- Solid experience in the Analysis, design, development, testing and Implementation of Business Intelligence solutions using Data Warehouse/Data Mart Design, ETL, OLAP, BI, Client/Server applications.
- Experience using query tools for Oracle, MS SQL and DB2 and Teradata server to validate reports and troubleshoot data quality issues.
- Experience with Agile Methodology.
- Creating and executing SQL queries to perform Data Integrity testing on an Oracle, SQL Server, DB2, Teradata, MySQL Database to validate and test data using TOAD, SQL Server Management Studio, T - SQL.
- Well versed in detecting errors and conducting UAT by designing, developing, and executing test cases
- Performed Backend Database testing on Oracle, MS SQL Server, DB2, Teradata, Hadoop, NoSQL, MongoDB databases, used SQL.
- Performed Manual and automated testing using HP alm/ Quality center, Jira, MTM, TFS and Test Director.
- Extensive experience in writing SQL scripts to validate the database systems and for backend database testing.
- Good experience in data sources, data profiling, data validation, developing low level design patterns based on the business and functional requirements.
- Ability to quickly adapt to different project environments, work in teams and accomplish difficult tasks independently within time frame.
- Skilled in analyzing business context and requirements for UAT testing purposes
- Extensively worked on Dimensional modeling, Data cleansing and Data Staging, Data integration of operational sources using ETL processes.
- Tested several complex reports generated by Cognos, Business Objects, SAS, SSRS including Dashboard, Summary Reports, Master Detailed, Drill Down and Score Cards
- Experience in all phases of Software Development life cycle.
- Excellent communication skills, Good organizational and interpersonal skills, outgoing personality, Self-motivated, hardworking, ability to work independently or cooperatively in a team, eager to learn, ability to adapt based on the demands of work.
TECHNICAL SKILLS
ETL Tool: Data Stage, Informatica Power Center 9 / 8.6
Reporting Tools: IBM Cognos 8.1/Business Objects XI R2/R3
Database: Oracle10g/9i, SQL Server 2012 / 2005, IBM DB2, Sybase, Teradata 13 and MS-Access
Utilities: Toad, Citrix server, Oracle SQL Developer, SQL Advantage, Putty
Testing Tools: HP Quality Center 9.2 / 10 / ALM, TFS, JIRA, Clear Quest, Rational Clear Case
PROFESSIONAL EXPERIENCE
Confidential, Richmond, VA
Sr. ETL QA Tester
Responsibilities:
- Reviewed the Business Requirement Documents and the Functional Specification. Prepared Test Plan from the Business Requirements and Functional Specification.
- Tested to verify that all data were synchronized after the data is troubleshoot and also used SQL to verify/validate my test cases.
- Tested the ETL process to automate the testing process and also load the test data into the testing tables.
- Extensively executed SQL queries in order to view successful transactions of data and for validating data.
- Involved in extensive DATA validation by writing several complex SQL queries and Involved in back-end testing and worked with data quality issues.
- Documented the validation rules, error handling and test strategy of the mapping.
- Tuned the complex SQL queries for better performance by eliminating various performance bottlenecks.
- Worked in an Agile technology with Scrum
- Written several UNIX scripts for invoking data reconciliation. Reported bugs and tracked defects using Quality Center/ALM
- Involved in backend testing for the front end of the application using SQL Queries in Teradata data base.
- Worked with Data Conversion projects for testing data quality after migration.
- Used SQL for Querying the DB2 database in UNIX environment.
- Identify potential problems, omissions and open issues and attend walkthroughs and attend signoff meetings.
- Tested different master detail, summary reports, ad-hoc reports and on demand reports using Cognos Report Studio
- Wrote SQL scripts to perform database testing and to verify data integrity.
- Responsible for UAT project planning like creating testing scenario, test plans, and test scripts
- Handle the tasks of explaining UAT scope, criteria and entry/exit strategy to less trained professionals
- Responsible for drafting complex SQL queries and perform allocation testing from front end / user interface
- Written several complex SQL queries stored procedures for validating Cognos Reports
- Responsible for verifying the log files using UNIX and database for the submitted application.
Environment: ETL Informatica, BI Cognos, SQL, PL/SQL, Oracle, TOAD, MS Excel, MS Access, MS Visual Studio, Tableau, HP ALM/Quality Center, SQL Server and UNIX.
Confidential, Albany, NY
ETL QA Tester
Responsibilities:
- Worked exclusively with BA and Developer as a team to make sure the demands of correct scripting and testing are satisfied.
- Written Test Scripts based on the Business requirements and executed Functional testing and data validation, data reconciliation with defect correction and retesting, followed by regression and performance testing.
- Prepared test cases for data verification Compared SQL results with application results by writing SQL queries.
- Test complex ETL mappings and sessions based on business user requirements and business rules to load data from source flat files and RDBMS tables to target tables.
- Strong ability in developing advanced and complex 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
- Developed SQL queries to check the database automatically and checking the data integrity in ETL Flow of data from source to stage and target Database
- Worked with several ETL sources including Flat Files, XML Files, CSV Files & SQL Server
- Retested and reproduced the logged defects to ensure that the problem is solved.
- Participated daily stand up meeting with UAT Team Lead, Walkthrough online meeting with Product owner, BA, and Developer to make sure everybody in the same page of understanding.
- Handle the tasks of identifying defects and perform root cause analysis by analyzing data quality issues.
- Involved in checking of data integrity and constraints by using SQL Queries.
- Worked in Water Fall as well as AGILE Methodology and used Agile Test Methods to provide rapid feedback to the developers significantly helping them uncover important risks.
- Identify potential problems, omissions and open issues and attend walkthroughs and attend signoff meetings.
Environment: Informatica Power Center 8.6, Cognos, Oracle, SQL, 2, TOAD, SQL Server, MS Excel, MS Project.
Confidential, PA
QA Tester
Responsibilities:
- Tested the ETL process to automate the testing process and also load the test data into the testing tables.
- Wrote SQL scripts to perform database testing and to verify data integrity.
- Perform responsibilities of conducting research on IT requirements and business requirements in UAT areas
- Performed data analysis and data profiling using SQL and Informatica Data Explorer on various sources systems including Oracle and Teradata
- Performance monitoring and tuning of SQL Server queries.
- Handle the tasks of identifying defects and perform root cause analysis by analyzing data quality issues
- Involved in data warehouse testing by checking ETL procedures.
- Worked in AGILE Methodology and used Agile Test Methods to provide rapid feedback to the developers significantly helping them uncover important risks.
- Strong ability in developing advanced and complex 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
- Involved in backend testing for the front end of the application using SQL Queries in Oracle data base.
- Worked with Data Conversion projects for testing data quality after migration.
- Used SQL for Querying the Oracle database in UNIX environment.
- Identify potential problems, omissions and open issues and attend walkthroughs and attend signoff meetings.
- Provide recommendations on performance enhancements in pre-production and production environments.
- Validate the business functionality using UAT Testing
Environment: Informatica 8.6.1/8.1, Oracle 10g, MS SQL Server, MS Excel, MS Access, MySQL 5.0, Windows, HP ALM Quality Center, T-SQL, SQL, TOAD, Flat Files, UNIX Shell Scripting
Confidential, St. Lious, MO
QA Tester
Responsibilities:
- Involved in Business analysis and requirements gathering.
- Assisted in creating fact and dimension table implementation in Star Schema model based on requirements.
- Used Quality Centre for tracking the defects.
- Involved in backend testing for the front end of the application using SQL Queries in Oracle data base
- Extensively used Informatica power center for extraction, transformation and loading process.
- Responsible for assisting senior engineers in developing test estimation, scope and test plan for UAT
- Perform the tasks of designing and developing test procedures to meet business requirements
- Responsible for drafting complex SQL queries and perform allocation testing from front end / user interface
- Assigned the tasks of preparing test results as well as gather test results from other testers in standardized format
- Written several complex SQL queries for validating Cognos Reports
- Responsible for verifying the log files using UNIX and database for the submitted application.
- Coordinated and Interacted with Development team and actively participated in status meetings during the defect life cycle, reported the bugs and maintained their status.
- Developed Test Strategy, Test plan, Test cases, and Test scripts and various other project documentation in HP Quality Center
- Extracted data from various sources like Oracle, flat files and DB2.
- Wrote and ran UNIX Scripts for batch jobs.
- Preparing and supporting the QA and UAT test environments. Tested different detail, summary reports and on demand reports.
- Communicated discrepancies determined in testing to impacted areas and monitored resolution.
Environment: Informatica Power Center 7.2, SQL, TOAD, Oracle 9g, Cognos, HP Quality Center 10.0, MS Access, MS Excel, Unix.