Sql Etl Tester Resume
Buffalo, NY
SUMMARY:
- Data warehousing and BI Tester with overall 7 years of rich experience in Software Testing/Development
- Good understanding of SDLC and STLC methodologies including Waterfall, Iterative, Agile and Scrum methodologies.
- Good knowledge on different functional areas like Retail, Health care & Banking and Financial Services.
- Solid testing experience of Functional Testing, System Testing, Writing Test Plan, Testing strategy, Testing Scenarios, Functional Test Cases, System Test Cases and Defect Management
- Strong testing Quality Assurance experience within agile environment.
- Involved in preparation of Test Metrics, Status Report and Defect Metrics.
- High degree of analytical skills.
- Worked extensively on BI, DW, Mainframe, client server and web based applications.
- Worked on all phases of Software Testing Life Cycle.
- Good understanding of onsite/offshore work model.
- Good exposure in working various test management and defect management tools like Quality Center, Jira and HP ALM.
- Good knowledge on writing SQL queries for test validation.
- Good knowledge on static/dynamic testing, black box, white box testing techniques.
- Have good understanding of Sprint Planning.
- Flexible and versatile to adapt to a new environment and ability to multitasking and work independently
TECHNICAL SKILLS:
Operating Systems: Windows XP, UNIX
Testing Tools: HP ALM, JIRA
Programming Languages: SQL, XML
ETL Tools: Informatica 9/8.6, SSIS
BI Tools: SAP BO, Cognos
Testing Methodologies: Water fall, Iteration, STLC, Agile
Databases/Database tools: Oracle 11g, 10g, SQL Server 2008, DB2, TERADATA 14
Documentation Tools: MS - Office, MS-Visio, MS Project, PowerPoint
Scheduling Tools: Autosys
PROFESSIONAL EXPERIENCE:
Confidential, Buffalo, NY
SQL ETL Tester
Responsibilities:- Extensively involved in understanding the BRD and mapping document.
- Helped with filling the requirement traceability matrix for enhancement of a system to support testing effort in multiple business areas including Asset Management, portfolio management and risk management.
- Developed complex SQL scripts to validate the data loaded into warehouse and Data Mart tables using Informatica.
- Performed Regression, smoke, sanity and data quality testing writing complex SQL queries.
- Involved in analyzing the requests for new, enhanced, and modified systems, against user and business requirements.
- Responsible for validating the files availability, format and data on UNIX server
- Executed SQL queries to verify the flow of data between back end and front end.
- Writing complex SQL queries for data validation for verifying the mappings and business Rules.
- Creating and executing SQL queries to perform Data Integrity testing on an Oracle Database to validate and test data.
- Performed ETL testing and extensively used SQL functionalities. Used TOAD to connect to Oracle Database.
- Executed SQL queries to verify the flow of data between back end and front end.
- Performed Data Driven Testing of the Application for different users/data sets
- Developed Test cases for the data warehouse in Oracle System
- Conducted Functional testing to ensure that the application meets the requirements and to ensure usability readiness
- Involved in creation of defect analysis report for system Test and UAT.
- Experience in creating UNIX scripts for file transfer and file manipulation.
Environment: Informatica Power Center 9.6, SQL, Oracle SQL Developer, Oracle 9i/10g/11g, UNIX, Shell Scripting, Facets, HP-ALM 11.5x, Windows 7, SharePoint, WinSCP.
Confidential, St. Louis, MO
QA/ETL Tester
Responsibilities:- Assisted in creating fact and dimension table implementation in Star Schema model based on requirements.
- Develop test plans based on test strategy. Created and executed test cases based on test strategy and test plans based on ETL Mapping document.
- Extensively used ETL methodology for supporting data extraction, transformations and loading processing, in a corporate-wide-ETL Solution using Informatica.
- Experience in Data Analysis, Data Validation, Data Cleansing, Data Verification and identifying data mismatch.
- Batch testing development and execution and done analysis of batch works.
- Written complex SQL queries for querying data against different databases for data verification process.
- Experience in creating UNIX scripts for file transfer and file manipulation
- Involved in regression testing of existing applications to the new enhancements and changes.
- Extensively involved in all phases of SDLC (Software development Life cycle) and followed Agile methodology.
- Extensively written SQL queries to validate source to target validations and data validations on reports.
- Created Test Cases, Test Plan and Test summary documents
- Participated in regression testing on Web Based applications and BI reports.
- Performed End-to-End testing of Applications.
- Extensively used HP Quality Center to create test cases, set up test lab for test execution based on Risk, Priority and Severity.
- Created Requirements traceability matrix to trace the test coverage and test execution summary
- Involved in reviewing and sign-off of the Test Plan and Test Cases.
Environment : Informatica 9.5, MySQL 5.5, Oracle 11g, flat files, SQL Developer, SQL, UNIX, Windows 7, HP-ALM 11.5x, Putty 0.63
Confidential, Walnut Creek, CA
QA/ETL Tester
Responsibilities:- Involved in Business analysis and requirements gathering.
- Developed Test Plan and overall Test Strategy for the Application.
- Involved in preparation of technical specifications and Source to Target mappings.
- Created and executed test cases based on test strategy and test plans based.
- Extensively used SQL programming in backend and front-end functions, procedures, packages to implement business rules and security.
- Solid testing experience in working with SQL Stored Procedures, triggers, views and worked with performance tuning of complex SQL queries.
- Creating complex data analysis queries to troubleshoot issues reported by users.
- Deleting the target data before processing based on logical or physical primary key.
- Design and execute the test cases on the application as per company standards.
- Testing of records with logical delete using flags.
- Interacting with senior peers or subject matter experts to learn more about the data.
- Identifying duplicate records in the staging area before data gets processed.
- Ensured that the mappings are correct and effectively communicate testing activities and findings in oral and written formats.
- Implemented various Test cases for the Functional Testing, InterfaceTesting, smoke testing, re-testing, Regression Testing, Performance Testing, Back-End and User Acceptance testing (UAT)
- Created effective Test Cases and did Unit and Integration Testing to ensure the successful execution of data loading process.
- Maintaining test cases, test plan, test reports in TestRail.
- Extensively used SQL Loader to load Test data from csv files to tables.
- Reported bugs and tracked defects using JIRA.
- Worked with ETL group for understanding mappings for dimensions and facts.
- Extracted data from flat files.
- Optimizing/Tuning several complex SQL queries for better performance and efficiency.
- Created various PL/SQL stored procedures for dropping and recreating indexes on target tables.
- Worked on issues with migration from development to testing.
- Written several complex SQL queries for validating Reports.
- Extensively tested several reports for data quality, fonts & headers.
Environment: Oracle 11g, SQL, PL/SQL, flat files, SQL *Loader, Windows 7, TOAD, TestRail, JIRA, UNIX, Putty.
Confidential, El Segundo, CA
ETL Tester
Responsibilities:- Reviewed the Business Requirement Documents and the Functional Specification.
- Written Test Cases for ETL to compare Source and Target database systems.
- Worked on Informatica Power Center tool - Source Analyzer, Data warehousing designer, Mapping &Mapplet designer and Transformation.
- Tested 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.
- Tested the ETL process for both before data validation and after data validation process.
- Tested to verify that all data were synchronized after the data is troubleshoot and also used SQL to verify/validate my test cases.
- Performed Data Analysis during the requirements gathering phase by reviewing the source data model and running SQL queries
- Testing has been done based on Change Requests and Defect Requests.
- Experienced in writing complex SQL queries for extracting data from multiple tables.
- Involved in integration testing of Informatica mappings.
- Performed all aspects of verification, validation including Functional testing, Unit Testing, System testing, Regression testing, structural testing, Performance, load and Back-End testing manually.
- Responsible for different Data mapping activities from Source systems to Teradata.
- Queried Teradata Database and validated the data using SQL Assistant
- Used Quality Center to track and report system defects.
- Performed Data validity testing for reports and feeds based on client's requirement.
- Created reports that included a general overview, open bugs, new bugs and enhancement requests. Entered new bugs and maintained the current status of those bugs.
- Responsible for communicating Defect Status Reports to business in project meetings.
- Participated and Organized weekly meetings and walkthroughs to improve the testing efforts.
- Worked closely with engineering team to discuss the design and testing aspects of the applications to design the test plans and to isolate the root cause of defects.
- Involved in meetings and walkthroughs.
- Responsible for weekly status.
Environment: Informatica Power Center 8.6, UNIX, Oracle 9i, Teradata V2R5, SQL, SQL Server 2008, TOAD, Windows 7, Quality center 9.2
