Summary
Overview
Work History
Education
Skills
Additional Information
Certification
Accomplishments
Courseprojects
Timeline
Generic

Balaji Coimbatore Balasubramanian

Union City,CA

Summary

With 16+ years of experience in the field, I have led and worked with ETL and Manual testing teams, specializing in Quality Assurance, Manual, ETL, and Automated Testing. My expertise lies in testing data warehouse applications, with knowledge extending to SDLC, Agile processes, and QA Methodology. I am skilled in creating comprehensive Test Strategy, Test Plans, Test Cases, and maintaining Test Scripts. To ensure effective reporting on Test Case Execution, Defect Metrics, and Requirement Traceability, I have utilized Project Management Tools like ALM (Quality Center), Azure Devops, and JIRA. Additionally, I possess strong proficiency in using Selenium WebDriver for functional and regression testing of web applications. My experience also includes testing SOAP and REST services using JUnit and TestNG frameworks for automation and reporting. Furthermore, I am proficient in developing web applications using Next.js, a React framework known for server-side rendering and static site generation. I am skilled in leveraging Tailwind CSS, a utility-first CSS framework, to create visually appealing and responsive UI components that adhere to modern design principles. In terms of source code management, I am experienced in utilizing Git and GitHub for efficient version control, collaborative development, and streamlined code review processes. My programming skills include Python, Core Java, JavaScript, HTML5, and CSS3. Lastly, I have diverse domain experience in Insurance, Manufacturing, Banking, and Public Safety & Justice.

Overview

18
18
years of professional experience
1
1
Certification

Work History

QA Engineer / Data Analyst

PNS SOFTWARE INC / SCHRILL TECHNOLOGIES INC
02.2017 - Current

Clients - County of Santa Clara & Blue Shield of California

  • Optimized test coverage by maintaining a well-organized, up-to-date library of test cases corresponding to application requirements changes over time.
  • Enhanced business efficiency by identifying trends and patterns in complex datasets.
  • Improved data visualization techniques, making insights more accessible to non-technical stakeholders.
  • Identified patterns and trends in large data sets and provided actionable insights.
  • Conducted thorough manual and automated tests to identify software bugs, improving overall software reliability.
  • Provided detailed QA reports to stakeholders, facilitating informed decision-making.
  • Led cross-functional team meetings to ensure alignment on quality standards and project timelines, fostering collaborative work environment.
  • Built automated test scripts to handle repetitive software testing work.
  • Validated data accuracy through comprehensive testing of source-to-target mappings and transformations.
  • Collaborated closely with development teams to ensure seamless integration of ETL components, resulting in accurate and efficient data processing.

Technical Test Lead

INFOSYS LIMITED
02.2015 - 01.2017

Clients - Royal Bank of Scotland & Fidelity Investments

  • Collaborated with cross-functional teams to ensure seamless integration of newly developed features.
  • Mentored junior testers in best practices and methodologies, fostering a culture of continuous learning and growth within the team.
  • Conducted root cause analysis on defects, providing valuable insights for future development improvements.
  • Led a team of technical testers, effectively delegating tasks and monitoring progress for timely project completion.
  • Monitored resolution of bugs, tested fixes, and helped developers tackle ongoing problems by providing QA perspective.
  • Coordinated work with various teams to solve problems and improve efficiency for software testing and automation.

Senior Associate

COGNIZANT TECHNOLOGY SOLUTIONS
02.2007 - 12.2014

Clients - AAA, Mercury Insurance, Firmenich & Heathrow Airport

  • Collaborated with developers and product owners to stay current on product features and intended functionality.
  • Reviewed project specification documentation to create appropriate testing methodologies.
  • Optimized test cases to maximize success of manual software testing.
  • Reduced defect leakage rate by conducting thorough root cause analyses and proactively addressing areas of concern in future release cycles.
  • Defined and identified test cases for new application development.
  • Wrote automated test suite for product and provided test coverage analysis.
  • Operated under Agile and Scrum frameworks to complete releases and well-organized sprints.

Education

Master of Science in Data Science -

New Jersey Institute of Technology
12.2023

B. E. - Electronics and Communication Engineering -

Anna University, INDIA
05.2006

Skills

  • Database Management
  • Machine Learning & Deep Learning Algorithms
  • Python
  • Java
  • SQL
  • ETL
  • Webservices & Automation Testing
  • Data Analysis

Additional Information

https://www.linkedin.com/in/balajicb1985/


Certification

  • ISEB Certified ISTQB (International Software Testing Qualifications Board)
  • INS 21 Certification offered by American Institute for CPCU (AICPCU)

Accomplishments

  • Awarded 'Star of the Sprint' for Exceptional and Contribution to the project
  • Awarded 'Special Contribution' for business and ensuring quality standards

Courseprojects

  • Stellar Classification Dataset from Kaggle, Analyzed data and performed outlier detection using LocalOutlierFactor. Handled class imbalance in the dataset through downsampling (SMOTENN). Utilized Permutation Importance for feature selection. Trained and evaluated the dataset using various models including KNN, ANN, Gradient Boosting, and Gaussian Naive Bayes. Implemented ensemble modeling by combining multiple models for improved performance.
  • Facenet using PyTorch, Analyzed the architecture of the Facenet model, compared with other Face recognition models, utilized the Pytorch implementation of the model from github to apply against different data sets

Timeline

QA Engineer / Data Analyst

PNS SOFTWARE INC / SCHRILL TECHNOLOGIES INC
02.2017 - Current

Technical Test Lead

INFOSYS LIMITED
02.2015 - 01.2017

Senior Associate

COGNIZANT TECHNOLOGY SOLUTIONS
02.2007 - 12.2014

Master of Science in Data Science -

New Jersey Institute of Technology

B. E. - Electronics and Communication Engineering -

Anna University, INDIA
Balaji Coimbatore Balasubramanian