Vishnu D.

I am a QA Engineer with 7+ years of experience in software testing, specializing in functional, API, and database testing across Mobile, Web, Desktop and backend systems. I focus on delivering high-quality, reliable applications by combining structured testing with deep technical analysis. Expertise • Manual Testing (Functional, Regression, End-to-End Testing) • UI/UX Testing for Web and Mobile Applications • API Testing (Postman, Request/Response Validation) • Database Testing (SQL Server, Data Validation) • Cross-Browser & Cross-Device Testing • Bug Tracking, Reporting & Root Cause Analysis • Fintech Application Testing (Transactions, Payment Flows, Data Accuracy) • E-commerce Testing (Cart, Checkout, Order Flow, Payment Integration) • Mobile Application Testing (Android/iOS Functional Validation) • Payment Gateway Testing (Stripe, PayPal) • Business Logic Validation & Edge Case Testing • Agile/Scrum Testing Environments • Client Communication & Requirement Understanding QA Documentation Expert in Comprehensive Test Cases, User Flows, API Testing, and Functional Documentation of the overall Project. Domain Experience • Fintech Applications Hands-on testing of financial systems, including transaction flows, payment processing, data accuracy, and validation of critical business logic. • Healthcare Insurance Systems (Additional Expertise) Experience in claims processing, eligibility verification, payment validation (EOB/EOP), and complex business rule testing. • Mobile Applications (Android & iOS) Functional and UI testing of mobile apps, ensuring smooth user experience, responsiveness, and feature validation across devices. Additional Strength: Experience working as a bridge between clients and engineering teams, helping improve communication, clarity, and delivery speed. Tools & Platforms: • Defect Tracking & Reporting: JIRA, Zephyr, TestRail, Bugzilla, Confluence, with Slack integration • Test Management: Creating test plans, writing detailed test cases, Microsoft 365, and collaborating closely with cross-functional teams. • Testing Platforms: Cross Browser Testing, physical devices. • Documentation: Test Plans, Test Cases, Checklists, FRS, User Manuals