Senior QA Automation Engineer specializing in Cypress, Playwright, and WebdriverIO with a proven track record of building reliable frontend testing frameworks for Vue3 and React apps. I help teams establish CI/CD-ready QA infrastructure, write clear documentation, and scale automation for long-term maintainability. Experienced across healthcare, fintech, and IoT domains.

Jagannathan Naganathan

Senior QA Automation Engineer specializing in Cypress, Playwright, and WebdriverIO with a proven track record of building reliable frontend testing frameworks for Vue3 and React apps. I help teams establish CI/CD-ready QA infrastructure, write clear documentation, and scale automation for long-term maintainability. Experienced across healthcare, fintech, and IoT domains.

Available to hire

Senior QA Automation Engineer specializing in Cypress, Playwright, and WebdriverIO with a proven track record of building reliable frontend testing frameworks for Vue3 and React apps. I help teams establish CI/CD-ready QA infrastructure, write clear documentation, and scale automation for long-term maintainability. Experienced across healthcare, fintech, and IoT domains.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
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Intermediate
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Work Experience

Senior SDET - Accounts & Pharmacy at Evernorth (Cigna Group)
May 1, 2025 - October 9, 2025
Led the development of an end-to-end UI/API test automation suite for Prior Authorization systems and data ingestion pipelines. Built ETL validation scripts in Python to reconcile source-to-target datasets and ensure accuracy and integrity of member eligibility and claims data. Implemented a PyTest-based automation framework integrated into Jenkins, accelerating SIT/UAT testing cycles by 40%. Created Cypress-based UI/API tests for Direct Deposit and Auto-Pay features, reducing regression testing time by 70% and enabling twice-weekly deployments. Engineered SQL-based validation against Snowflake to verify data ingestion, transformation, and reporting consistency across eligibility and ledger datasets. Collaborated with data engineers to design QA checks simulating regulatory audits for coverage and ledger data. Partnered with Dev teams building an AI-driven coverage chatbot to validate conversational flows, eligibility logic, and plan recommendations to ensure accuracy and HIPAA complia
Senior SDET - Gremlins Team at Planned Parenthood Federation of America (PPFA)
July 1, 2022 - October 9, 2025
Developed and executed Cypress UI and API automation scripts for multilingual patient-facing features (ASL 1.5, IAP Indie Provider Interstitial, PlanCPills). Validated English and Spanish sitemap.xml multilingual content and accessibility. Built API validation framework in Cypress + TypeScript to cross-check API responses against warehouse datasets. Implemented SQL validation for data lineage and reconciliation across source APIs, staging tables, and the BigQuery warehouse. Collaborated with Composer pipelines to test orchestrated data loads and flag transformation defects early. Supported QA audits and documentation reviews for features supporting sexual and reproductive health services, ensuring HIPAA alignment with clinical workflows.
Senior SDET - Digital Investing & Wealth Automation Team at Qualitest
April 1, 2022 - October 9, 2025
Built and maintained Cypress automation for portfolio dashboards, account onboarding, and secure investment flows. Designed microservices API testing using Go (httpexpect). Implemented AWS CloudWatch monitoring for real-time visibility into test execution metrics, reducing incident response time by 40% and enabling proactive performance optimization. Configured CI/CD pipelines in Jenkins to automatically execute Cypress tests on code commits. Developed modular, data-driven Cypress tests simulating diverse investor personas; executed REST API tests for wealth-management operations using Java + REST Assured; integrated automated test stages into portfolio provisioning and account servicing microservices via Azure DevOps and GitLab CI.
Lead SDET - Gomega Team at Trane Technologies
October 1, 2021 - October 9, 2025
Validated data pipelines for HVAC energy dashboards, ensuring schema-compliant JSON across microservices in a smart-building architecture. Developed Selenium + Pytest automation for HVAC web interfaces focusing on energy consumption dashboards, setpoint controls, and fault alerts. Designed risk-based test plans using Gherkin and BDD to align QA with product management. Built Cypress UI and Karate DSL API automation for HVAC analytics dashboards; integrated automated tests into Azure DevOps pipelines and collaborated with PM/UX teams to ensure regression coverage and reliability.
SDET – Synchromed at Medtronic
May 1, 2017 - October 9, 2025
Developed functional tests using Nightwatch and Python for Synchromed hardware; mobile acceptance tests with Appium for DBS Patient Application; unit tests for MRI mode using Spock; integration tests for SynchroMed II using BDD/Cucumber to identify security vulnerabilities early, preventing regulatory issues. Measured performance of critical methods after implementing security features using ARXAN; performed risk tracing and requirements documentation to support FDA compliance and audit readiness.
Senior Software Engineer at Wipro, India
January 1, 2014 - October 9, 2025
Led development of telecom protocols and MIBs (Optical Interface, Digital Wrapper, SDH, OTU3), improving network monitoring and performance; collaborated with QA teams for end-to-end validation and integration.
Senior Software Engineer at Scientific Atlanta, India
July 1, 2004 - October 9, 2025
Designed diagnostics software for broadband systems; coordinated with QA teams for integration and validation; contributed to QA improvements and performance testing.
Software Engineer at India Comnet International, India
October 1, 2003 - October 9, 2025
Developed embedded firmware and client GUI for IBOX device; authored test plans and performed system validation for telecom solutions.

Education

Add your educational history here.

Qualifications

Bachelor's Degree in Computer Science Engineering
January 11, 2030 - October 9, 2025
AWS Certified Cloud Practitioner
September 1, 2023 - October 9, 2025

Industry Experience

Healthcare, Software & Internet, Professional Services, Financial Services

Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
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