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Etl/bi Test Lead Resume

SUMMARY

  • Skilled professional having 10+ Years of experience in IT industry with experience in ETL/BI (DWH) Report development and Testing.
  • Worked closely with QA Manager, Developers, Business Analyst, Business Operations and other QA staff to ensure that business requirements are testable and verifiable.
  • Proven customer - facing skills during test case review and User Acceptance Testing (UAT), coordinating and cohesively interfacing with end users in respect of business process testing, scope creep, data set- up and business scenario clarification.
  • Strong proficiency in complete Software Development Life Cycle (SDLC), Software Testing Life Cycle (STLC) and Bug Life Cycle (BLC)
  • Proficiently experienced in onsite-offshore test coordination and communication process to bring about synergistic and cogent relationships between onsite team and offshore team.
  • Lead the efforts to plan testing, build test cases, execute tests, report results, and troubleshoot issues found on the ETL platforms.
  • Experienced in AGILE, Waterfall Model Methodologies and Techniques. Worked as center of excellence lead.
  • Extensive experience in Black Box Testing Functional Testing, Integration Testing, System Testing, Regression Testing, Manual Testing on Enterprise Applications.
  • Experienced using Jenkins and Gitlab and having experience on testing storage tools like S3, HDFS.
  • Strong working experience in the Data Analysis, Design, Development, Implementation and Testing of DWH using Data Conversions, Data Extraction, Data Transformation and Data Loading (ETL)
  • Sound Knowledge and experience in Metadata and Star schema. Analyzed Source Systems, Staging area, Fact and Dimension tables in Target Data Warehouse.
  • Expertise in OLTP/OLAP System Study, Analysis and E-R modeling, having knowledge Star flake and Snowflake schema used in relational, dimensional and multidimensional modeling.
  • Involved in preparation of Test plan and Test Cases and Test summary Report.
  • Experienced in managing the 18 members team as QS Test Lead.
  • Involved in preparation of test data for functionality of Informatica Sources Mappings, Targets
  • Extensive experience working with Data warehouse ETL tools like Informatica, and Pentaho and Informatica DVO to automate the workflows.
  • Have good hands on experience in Informatica, Tableau Dashboards, COGNOS, Business Objects Reports development and testing and Excel Macros, Python scripting, Control M and Ab Initio and Main frames
  • Expert in reviewing/reporting, track & maintaining Defects with high level of accuracy and informative recreation steps using Quality Center, JIRA, QUEST and Bugzilla.
  • Hands on experience in writing SQL queries, Joins, Functions, PL/SQL Procedures, DBMS, RDBMS in Oracle, SQL Server and Netezza databases. Involved in preparation of Weekly and Status reports.

TECHNICAL SKILLS

Testing Tools: HP Quality Center 11.0, Rational Test Manager, JIRA, Version One

Data Modeling: Dimensional and relational Data Modeling in COGNOS Framework Manager.

Databases: ORACLE 12g, SQL Server 2008, Microsoft Access 2000, DB2, Netezza database, Hive

Database Tools: PL/SQL Developer

ETL TOOLS: Informatica Power Center 10.2.1, Pentaho, MDM, Ab Initio

Programming: SQL, PL/SQL, Core Java, C, C++

Operating Systems: Windows XP/2003/2007, Unix

BI & Visualization tolls: COGNOS, Business Objects and Tableau desktop and Tableau Public and SAS

PROFESSIONAL EXPERIENCE

Confidential

ETL/BI Test Lead

Responsibilities:

  • Analyzed business requirements, system requirements and data mapping requirement specifications, interacting with client, developers.
  • Written Test Strategy and get reviewed with the team and then preparing the Test Cases.
  • Involved in extensive DATA validation using SQL queries and back-end testing.
  • Building, Maintaining and tuning Dashboards, reporting queries and ETL mapping to load data from XML source to relational pre- staging, then from pre- staging to staging, then from staging to Data warehouse, from there validate Tableau public and Tableau desktop Dashboard’s and Micro strategy reports.
  • Perform defect Tracking and reporting with strong emphasis on root-cause analysis to determine where and why defects are being introduced in the development process.
  • Involved in preparation and maintenance of the Requirement Traceability Matrix (RTM) to measure the progress, test matrix and test script review.
  • Exclusively involved PL/SQL batch programs and responsible for reporting the defects to development team.
  • Tested the ETL INFORMATICA mappings and other ETL Processes (Data Warehouse Testing)
  • Experience in creating UNIX scripts for file transfer and file manipulation.
  • Written several complex SQL queries for validating Reports.
  • Manage automation of file processing as well as all ETL processes within a job workflow
  • Lead in few complex Projects and Performed testing and created QA documents.
  • Automated test cases execution in ALM using VB script & validated JSON XML using Soap UI.
  • Experienced using Jenkins and Gitlab and having experience on testing storage tools like S3, HDFS.

Environment: ETL INFORMATICA, HPQC 11.0, COGNOS, Tableau, Oracle PLSQL developer, MDM database, Hive, Mango DB, Python, UNIX.

Confidential

ETL/BI Test Lead

Responsibilities:

  • Write complex structured queries using Oracle SQL & PL/SQL to load the data from source database to target database and then compare Tableau Dashboard and IBM COGNOS report with the database output.
  • Use Agile methodologies like scrum to implement the products features and maintain the software.
  • Use Version One application to track the user stories status and project collaboration.
  • Design and implement test scripts and manage SQL test automation process. Lead continuous improvement efforts within the delivery teams to increase productivity and streamline the process.
  • Develop and maintain sanity and regression suites. Support solution designing activities and automated test scripts.
  • Prepare and participating in requirement analysis stage till production deployment stage including test kick off meetings, team meeting, defect triage, Product demo and weekly status meeting.
  • Responsible in preparation of various reports (Daily status report, Weekly status report, Monthly status report Test summary report).
  • Building, Maintaining and tuning Dashboards, reporting queries and ETL mapping to load data from XML source to relational pre- staging, then from pre- staging to staging, Then from staging to Data warehouse, from there validate Tableau public and Tableau desktop Dashboard’s and COGNOS report.
  • Co-ordinate with Business intelligence testing team and review the deliverables.
  • Provide support to technical discussion and implement application changes. Interact with scrum team on daily basis to resolve technical issues.
  • Help client end users during UAT phase and defects found and tracked for closure.
  • Identify test data scenario wise, involve in peer review of test cases, and test strategy. Have daily meetings and updates with the team on current projects.
  • Monitor the team activities to abide the compliance and process. Review regression and integration suite prepared by team, track various issues to closure, and provide essential support to team to ensure the quality of the product.
  • Analyze business requirements and work with BA, End users and development team to understand the requirements and analyze data model, source to target mapping document to build visualization dashboards and reports, QA, deployment and support using Tableau, IBM COGNOS, Informatica and Oracle SQL, PL/ SQL and Python scripting.

Environment: ETL INFORMATICA, HPQC 11.0, COGNOS, Tableau, Oracle PLSQL developer, MDM database, Hive, Mango DB, Python UNIX.

Confidential

ETL/BI Senior Test Lead

Responsibilities:

  • Analyzed the business requirements, system requirements, and data mapping requirement specifications, interacting with client, developers and QA team.
  • Written Test Strategy, Test Cases, reported bugs and tracked defects using Quality Center.
  • We acted as compliance user for PXP. We performed decision making for the generated alerts.
  • Involved in extensive DATA validation using SQL queries and back-end testing.
  • Performed all aspects of verification, validation including functional, regression, load and system testing.
  • Perform defect Tracking and reporting with strong emphasis on root-cause analysis to determine where and why defects are being introduced in the development process.
  • Apart from project worked on Tableau reports development various portfolio’s in Confidential
  • Responsible for testing Initial and daily loads using Informatica.
  • Involved in preparation and maintenance of the Requirement Traceability Matrix (RTM) to measure the progress, test matrix and test script review.
  • Exclusively involved PL/SQL batch programs and responsible for reporting the defects to development team.
  • Tested the ETL Informatica mappings and validated database results.
  • Experience in creating UNIX scripts for file transfer and file manipulation.
  • Written several complex SQL queries for validating Reports.

Environment: Informatica, HPQC 12, Oracle PLSQL developer, Informatica and Tableau SQL, MainframesUNIX, Version One.

Confidential, MN

ETL/BI Test Lead

Responsibilities:

  • Assisted in gathering the business requirements, Analysis, test and design of the flow and the logic for the Data warehouse project.
  • Extensively used ETL methodology for testing and supporting data extraction, transformations and loading processing in ETL Solution using Informatica.
  • Created ETL test data for all ETL mapping rules to test the functionality.
  • Assisted in performing the Data Validation, Data Verification, Record Count, Data transformation
  • Worked on the Star schema with the fact and dimension tables.
  • To perform the ETL testing I was extensively using the SQL functionalities.
  • We followed the agile methodologies in the Project.
  • Using the SQL functionalities ensure that the data are populated against source and target.
  • Assisted to test the reports using the Cognos Reporting Solution.
  • Tested several different types of reports including Report Layout, Naming Conventions, Totals, and Sub-Totals, Drilling options, prompts, metric calculations, drill maps and COGNOS filters.
  • Used Informatica Workflow Monitor to monitor workflows and review session log.
  • Worked on Source Analyzer, Power Center designer, Workflow manager, Mapping Designer.
  • Writing test cases for data extracts to make sure the vendors are sending correct data files.
  • Maintained Source definitions, Transformation rules and Target definitions.
  • Raised defects in HP Quality Center as Defect Tracking System.
  • Perform defect Tracking and reporting with strong emphasis on root-cause analysis to determine where and why defects are being introduced in the development process.
  • We will log all the defects in the HP Quality Center, once the defects are assigned, the Development team fixes it, and we will retest the logged defects and close.

Environment: ETL INFORMATICA, HPQC 11.0, COGNOS, Oracle PLSQL developer, MDM database, UNIX.

Confidential, MN

ETL/BI Test Lead

Responsibilities:

  • As an ETL QA Tester, I was involved in analyzing the existing system process.
  • Created Master test plans and test cases for manual testing from BRD to match the project's initiatives.
  • Based on the various Business rules developed the ETL test cases from the Mapping Document.
  • Performed ETL testing and extensively used SQLs. Used PLSQL connect to Oracle Database.
  • Expertise in writing SQL Statements in database to make sure whether the data is populated in Data Mart/Data warehouse according to Business Rules in the Framework Manager.
  • Assisted in the Data Validation as Record Count against the Source and Staging Data and Target table.
  • Investigating the issues which performed during the Smoke testing, System testing, Integration testing, Regression testing, End to End testing
  • Implemented the Auto Sys scheduled jobs in UNIX Environment. Raised defects in HP Quality Center defect tracking system.
  • Raised defects in HP Quality Center as Defect Tracking System.
  • Perform defect Tracking and reporting with strong emphasis on root-cause analysis to determine where and why defects are being introduced in the development process.
  • Logged the defects in the HPQC and once the defects were fixed, again retest defects and closed.
  • Collected evidence for each step of the process to ensure that any errors are capture in time and resolved immediately.
  • Assisted in the Data Migration testing against the Dimension Tables and Fact Tables.

Environment: ETL (Informatica and MDM), COGNOS, Oracle, HP Quality Center, PL/SQL developer, UNIX.

Confidential, MN

ETL/BI Test Lead

Responsibilities:

  • Analyzed the business requirements, system requirements, and data mapping requirement specifications, interacting with client, developers and QA team.
  • Written Test Plans, Test Strategy, Test Script, Test Cases, reported bugs and tracked defects using Quality Center
  • Performed all aspects of verification, validation including functional, structural, regression, load and system testing.
  • I worked as COE lead for Business Intellengence.
  • Written complex SQL queries for data validation for verifying the ETL Mapping Rules.
  • Tested Metadata of tables including the data types, constraints and default values on the columns.
  • Involved in maintaining the test environments; with activities like requesting data loads, data base backups, restarting the servers, requesting the deployments, troubleshooting issues.
  • Used Toad to run SQL queries and validate the data loaded into the target tables.
  • Involved in user training sessions and assisting in UAT (User Acceptance Testing).
  • Involved in Functional Testing, Regression Testing, Sanity Testing, Ad-hoc Testing and User Acceptance Testing.
  • Responsible for testing Initial and daily loads of ETL jobs.
  • Involved in preparation and maintenance of the Requirement Traceability Matrix (RTM) to measure the progress, test matrix and test script review.
  • Exclusively involved PL/SQL batch programs and responsible for reporting the defects to development team.
  • Tested the ETL informatica mappings and other ETL Processes (Data Warehouse Testing)
  • Experience in creating UNIX scripts for file transfer and file manipulation.
  • Written several complex SQL queries for validating Reports.
  • Created Test input requirements and prepared the test data for Data Driven testing.
  • Involved in extensive DATA validation using SQL queries and back-end testing.
  • Tested the different sources such as Flat files, Main Frame Legacy Flat Files, SQL server 2005 and Oracle to load into the Oracle data warehouse
  • Extensively used Rational Clear Quest to track defects and managed them.
  • Performed periodic checks to run crosscheck against QA/SIT/PROD environments to ensure it is up and running.

Environment: Informatica, Oracle 10g, HP Quality Center, Netezza, Windows XP, UNIX

Confidential, Connecticut

ETL/BI Developer and Test Analyst

Responsibilities:

  • Create test plan and test cases for manual and automated testing from the business requirements to match the project's initiatives.
  • Tested various ETL transformation rules based on log files, data movement and with help of SQL.
  • Created and executed detailed test cases with systematic procedure and expected result. Maintained the test logs, test reports, test issues, defect tracking using Quality center 9.2.
  • Extensively used Data Stage for extraction, transformation and loading process.
  • Tested to verify that all data were synchronized after the data is troubleshoot and used SQL to verify my test cases.
  • Creating and executing SQL queries to perform Data Integrity testing on an Oracle Database to validate and test data using TOAD/Exceed.
  • Worked with ETL group for understanding Data Stage graphs for dimensions and facts.
  • Writing complex SQL queries and PL/SQL for data validation for verifying the Packages and business Rules.
  • Involved in testing the OBIEE reports by writing complex SQL queries
  • Tested Data stage Hashed files for extracting and write data - an intermediate file in a job.
  • Ran workflows created in Data stage by developers then compared before and after transformation of data generated to ensure that transformation was successful.
  • Good experience in Cubes
  • Interacted with Users to understand the bugs in Business Reports generated from OBIEE, COGNOS
  • Worked with UNIX shell scripts. Worked with releasing scripts live and tested.
  • Tracked bugs using Quality Center and generated the defect reports for review by the client and the management teams.
  • Involved in debugging of the scripts according to the modifications made to the build using QTP
  • Performed ETL testing and extensively used SQL functionalities. Used TOAD to connect to Oracle.
  • Tested the reports generated by OBIEE and verified and validated the reports using SQL.
  • Perform defect Tracking and reporting with strong emphasis on root-cause analysis to determine where and why defects are being introduced in the development process.
  • Facilitated the sharing of structured data across different information systems using XML Created and executed automation scripts using QTP
  • Tested the reports like Drilldown, Drill Up and Pivot reports generated from OBIEE, COGNOS
  • Automated and scheduled the Data stage jobs using UNIX Shell Scripting.
  • Participate in weekly meeting with the management team and walkthroughs

Environment: Control M and Informatica, COGNOS, OBIEE, Clear Quest, MS Access 2003, UNIX, TOAD

Confidential

ETL /Data warehouse Tester

Responsibilities:

  • As an ETL Tester, I was involved in analyzing the existing system process.
  • Enhanced the Legacy Technical Specifications to meet the Enhanced System specs.
  • Designed and maintained logical and physical enterprise data warehouse schemas.
  • Worked on Star schema loaded data using Fact Tables to the staging tables.
  • As testing all data issues, I have used SQL scripts to get issues resolved.
  • Created naming conventions and system standards for lookup (Connected and unconnected) transformation and target tables.
  • Experienced in writing complex SQL and PL/SQL queries for testing data in oracle targets.
  • Worked on issues with migration from development to testing.
  • Prepared test data to validate ETL rules wherever necessary.
  • Extensively used ETL and Informatica to load data from flat files MS Access and MS SQL Server 2005.
  • Used Informatica Workflow Monitor to monitor workflows and review session log.
  • Designed, developed and deployed new Data Marts along with modifying existing support additional business requirements
  • Worked on Source Analyzer, Power Center designer, Workflow manager, Mapping Designer.
  • Performed Regression Testing as and when the Bugs got fixed and check whether the application is free from builds.
  • Writing test plans to incorporate the testing needs of the data warehouse using Test Director.
  • Writing test cases for the data extracts to make sure the vendors are sending the correct data files.
  • Maintained Source definitions, Transformation rules and Target definitions.
  • Implemented Scheduled jobs in UNIX Environment and EDW scheduler.
  • Worked on testing with Complex Mappings by importing Procedures/functions to build business rules to load data.
  • As a testing process created Database scripts, Procedures, Database Constraints.
  • Designed developed and tested processes for validating and conditioning data and maintained test documents (UAT), System Testing and integration Testing.

Environment: Informatica Power center 8.1/8.6.0, Oracle, SQL, PL/SQL, Clear Quest, Main frames, MS Access 2003, UNIX, TOAD

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