Thaineesh Periyasamy

Senior QA Engineer | Carelon Global Solutions | Oct 2022 – Mar 2024

Led manual and automation testing for U.S. healthcare web, mobile and API applications. Built a Playwright UI/API automation framework using JavaScript, Cucumber and POM, reducing manual regression effort by 75%. Performed API, SQL, integration, E2E, performance, accessibility and security testing, and supported CI/CD, defect management and release quality. Mentored junior QA engineers.

Senior Systems Analyst – Healthcare QA | Legato Health Technologies | Nov 2021 – Oct 2022

Worked on U.S. healthcare claims and insurance applications, translating requirements into risk-based test scenarios and leading UAT with 10+ client teams. Automated REST API and Selenium tests, performed SQL/database and data migration testing, and supported CMS/HIPAA-related workflows. Improved document validation efficiency through automation.

Quality Assurance Engineer | Cognizant Technology Solutions | Feb 2016 – Nov 2021

Performed manual and automation testing for digital banking web, mobile and API applications. Delivered functional, integration, regression, E2E, API, database, performance and accessibility testing. Developed test plans and QA documentation, managed defects and root-cause analysis, and collaborated with global Agile teams to support production-quality releases.

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