Bharathiragul Mahendran

Domain: Manufacturing & Automotive Services

• Led a team of 12 QA engineers to deliver high-quality releases for data and BI platforms.
• Built an end-to-end automation framework and in-house application to validate Power BI dashboards and analytics pipelines.
• Trained machine learning models to verify dynamic dashboard data and detect visual anomalies, reducing manual validation by 60%.
• Designed and executed test strategies, including MDM validation, Azure Synapse queries, and table creation from Parquet files.
• Collaborated with data engineers and business stakeholders for KPI validation, demos, and walkthrough.
• Mentored junior testers, and established peer review practices, improving test case quality and coverage.

Domain: B2B, Telecom Fulfillment Systems

• Led a QA team of five in validating modules for Verizon’s B2B, Local, and Fulfillment portals.
• Conducted end-to-end testing in pre-production environments to ensure defect-free releases before go-live.
• Created detailed test plans, authored test cases, and simulated real-world scenarios using custom datasets.
• Automated regression test cases using the Robot Framework, streamlining test cycles, and improving accuracy.
• Collaborated closely with developers and business stakeholders to ensure testing aligned with evolving requirements.
• Delivered high-confidence validations that directly supported Verizon’s business readiness and customer experience goals.

Domain: Healthcare (US & India)

• Validated complex ETL workflows for inbound and outbound data integrations, ensuring accurate transformation and load processes.
• Wrote advanced SQL queries to test business rules and verify data integrity across staging, warehouse, and reporting layers.
• Collaborated with Product Owners, Business Analysts, and System Architects to gather requirements during PI planning and Agile ceremonies.
• Ensured full compliance with HIPAA and PHI guidelines, conducting thorough due diligence on sensitive data flows.
• Prepared test plans, traceability matrices, and test case documentation aligned with application requirements and design specs.
• Led a 3-member QA team, delivering high-quality functional, integration, and system testing across enterprise healthcare applications.