Summary
Overview
Work History
Education
Skills
Timeline
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Bala Kumar

Summary

6+ years of diverse experience in Software Quality Assurance with a thorough knowledge of System, Functional, ETL and Regression testing methods. Good product knowledge in Canadian banking, insurance, and mobile domains. Over 5 years utilizing Agile/Scrum methodology in managing projects. Proven ability in handling different phases of Software Testing Life Cycle (STLC) from Test Analysis, Test Planning and strategy, Test Environment Setup and Test Case Design, Defect Life Cycle, Test Execution, End of Test Case. Comprehensive knowledge of data warehouse design methodologies and industry standards. Skills in quickly understanding the requirements from End Users, existing systems, demo systems, Scope Documents and Business Requirement Documents (BRD). Good experience in creating and executing Test Plans, Test Cases, Defects by following best QA Methodologies for both Manual and Automated Testing environments. Expertise in Manual Testing and Database (ETL) testing. Designed the ETL processes using SSIS to load data from Oracle, SQL Server, Flat Files and Excel files to target SQL Server staging databases. Designed, developed and implemented ETL framework using SSIS, stored procedures, functions for Oracle extractions into SQL Server dimensional model. Involved in troubleshooting and debugging of ETL, SQL stored procedures and reports. Managed package configuration to efficiently deploy ETL packages from development environment to Production environment. Validating the load process of ETL to make sure the target tables are populated according to the data mapping provided that satisfies the transformation rules. Extensively used ETL methodology for testing and supporting data extraction, transformations and loading processing, in a corporate - wide-ETL Solution. Exclusively worked with the ETL team to analyze the source and Target Database systems. Exclusively worked on ETL test case scenarios with business functionality and generated the reports for business users. Expertise in analyzing and designing automated as well as manual procedures for the verification, validation, and implementation of accurate testing strategies for the successful deployment of real-time solutions. Good experience in understanding of Business & Testing requirements and writing detailed Test Plans, Test Cases, and Test Scripts. Ability to handle multiple tasks and work independently as well as in a team, having strong analytical and problem-solving.

Overview

6
6
years of professional experience

Work History

Quality Engineer

TD BANK
11.2022 - Current
  • As a quality engineer with experience in ETL testing, I have worked extensively with JTMF, JIRA, SSMS, and Confluence to conduct regression and functional testing
  • My goal is to continue to improve product quality and ensure customer satisfaction
  • Led efforts to standardize and streamline testing processes across the organization, resulting in improved quality and consistency of testing
  • Collaborated with developers and business analysts to identify and resolve defects and issues, ensuring timely resolution and minimizing impact to customers
  • Trained and mentored junior team members on testing best practices and tools, contributing to their professional growth and development
  • Designed and executed test plans for data migration projects, ensuring data accuracy and completeness during the migration process
  • Worked closely with project managers to estimate testing effort and provide testing status updates, ensuring projects stayed on track and on budget
  • Participated in Agile ceremonies such as daily stand-ups, sprint planning, and retrospectives, contributing to the continuous improvement of the team's processes
  • Conducted risk assessments and created risk mitigation plans for ETL testing, reducing the likelihood of critical defects and minimizing business impact
  • Evaluated and recommended new testing tools and methodologies to improve efficiency and effectiveness of testing processes
  • Developed and maintained traceability matrices linking test cases to business requirements, ensuring comprehensive test coverage and adherence to requirements
  • Conducted end-to-end testing of complex data integrations ensuring data accuracy and completeness throughout the integration process
  • Conducted security testing of ETL processes, identifying and resolving security vulnerabilities and ensuring compliance with industry standards and regulations
  • Analyzed and reported on test results, identifying trends and patterns to improve testing effectiveness and quality.

Software Tester

Wipro
11.2021 - 11.2022
  • Written complex SQL queries
  • Involved in creating source target mappings based on the Technical Design requirements
  • Involved in Business analysis and requirements gathering
  • Perform responsibilities of database architecture, testing data quality for load systems, and providing data warehouse solutions
  • Tested mappings with the Design Documents and performed testing for various sample data
  • Preparation of technical specifications and Source to Target mappings
  • Extensively used SQL programming in backend and front-end functions, procedures, packages to implement business rules and security
  • Familiar with warehouse software life cycle, appropriate testing environment, and data testing strategies
  • Solid testing experience in working with SQL Stored Procedures, triggers, views and worked with performance tuning of complex SQL queries
  • Extracted data from various sources like Oracle, flat files and SQL Server
  • Applied appropriate validation rules and created workflow parameters to check the validations are correct so that the workflow execution should stop
  • Written test cases and completed test documentation
  • Created ETL test data for all ETL mapping rules to test the functionality of the Pentaho jobs
  • Worked on Autosys for Batch Processing ETL, PL/SQL subprograms and performed backend testing
  • Executed batch processing and verified the jobs status and data in database tables
  • Tuned ETL jobs/procedures/scripts, SQL queries, PL/SQL procedures to improve the system performance
  • Performed all aspects of verification, validation including functional, structural, regression, load, and system testing
  • Managed and executed the test process, using Agile Methodology
  • Extraction of test data from tables and loading of data into SQL tables
  • 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.

ETL Tester

Rogers Corporation
08.2019 - 10.2021
  • Responsible for Gathering test requirements and scoping out the test plan
  • Involved in creating source target mappings based on the Technical Design requirements
  • Involved in Business analysis and requirements gathering
  • Tested mappings with the Design Documents and performed testing for various sample data
  • Preparation of technical specifications and Source to Target mappings
  • Extensively used SQL programming in backend and front-end functions, procedures, packages to implement business rules and security
  • Good experience with design, coding, debug operations, reporting and data analysis utilizing python and using python libraries to speed up development
  • Experienced using query tools for Oracle to validate reports and troubleshoot data quality issues
  • Solid testing experience in working with SQL Stored Procedures, triggers, views and worked with performance tuning of complex SQL queries
  • Applied appropriate validation rules and created workflow parameters to check the validations are correct so that the workflow execution should stop
  • Written test cases and completed test documentation
  • Executed batch processing and verified the jobs status and data in database tables
  • Wrote SQL and PL/SQL scripts to perform database testing and to verify data integrity
  • Performed all aspects of verification, validation including functional, structural, regression, load, and system testing
  • Managed and executed the test process, using Agile Methodology
  • 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
  • Extraction of test data from tables and loading of data into SQL tables
  • 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
  • Responsible for leading and coordinating offshore teams.

Software Tester

Cognizant
03.2017 - 07.2019
  • Involved in writing Complex queries using SQL for Data Integrity checks
  • Established and documented ETL QA standards, procedures and QA methodologies
  • Worked with ETL Source System and Target System (ETL Mapping Document) for writing test cases and test scripts
  • Involved in Data testing by writing SQL queries in database tables
  • Participation in Requirement / Use Case analysis, Risk analysis and configuration management
  • Validating the data in various stages of data movement from Source to Staging and from Staging to Data Warehouse tables
  • Created Test Cases using the SDLC procedures and reviewed them with the Test Manager
  • Retest the modifications, once bugs are fixed after reinstalling the application
  • Generated Problem Reports for the defects found during execution of the Test Cases and reviewed them with the Developers
  • Worked with Developers to identify and resolve problems
  • Developed presentation and testing implementation learning to other testing resources for cross functional training
  • Validating the Data files from source to make sure correct data has been captured to be loaded to target tables
  • Validating the load process of ETL to make sure the target tables are populated according to the data mapping provided that satisfies the transformation rules
  • Validating the Archive process to purge the data that meet the defined business rules
  • Writing complex SQL queries using Case Logic, Intersect, Minus, Sub Queries, Inline Views, and Union in Oracle
  • Involved in Defect Review meetings with Business Core Team and Developed use-case Analysis
  • Actively participating in project specification reviews, writing and maintaining QA technical documentation
  • Identify/debug, troubleshoot, modify, document, test the production issues and create production support schedules.

Education

Bachelor's - Computer Science Engineering

KL University
INDIA
03.2017

Skills

  • Jira
  • Requirements Analysis
  • Data Warehousing
  • Agile Methodologies
  • Scrum
  • Databases
  • Microsoft SQL Server
  • Regression Testing
  • Functional Testing
  • Retail Banking

Timeline

Quality Engineer

TD BANK
11.2022 - Current

Software Tester

Wipro
11.2021 - 11.2022

ETL Tester

Rogers Corporation
08.2019 - 10.2021

Software Tester

Cognizant
03.2017 - 07.2019

Bachelor's - Computer Science Engineering

KL University
Bala Kumar