Jagannathan Naganathan

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

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.

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.