Ananth S

About Ananth S

Results-oriented QA Engineer with 3 years of experience ensuring the security and reliability of high-stakes applications in the Fintech and E-commerce sectors. I specialize in testing complex business logic—from secure payment gateways to mobile architecture.Currently, I drive quality assurance at CreditMantri, where I validate critical financial workflows including Recurring Payments (e-Mandate), Loan Origination, and User Segmentation logic. My role involves high-level Security Testing (identifying IDOR vulnerabilities) and ensuring seamless mobile experiences via Trusted Web Activities (TWA).Previously, I worked on the Zenbasket E-commerce platform, testing end-to-end shopping journeys, POS integrations, and third-party logistics to guarantee smooth operations for merchants.

Experience

1. Junior Software Test Engineer

   CreditMantri

   Apr 2025 — Present · Chennai, IN

   Payment & Subscription Logic:• Validated the Recurring Payment (e-Mandate) workflow, ensuring successful auto-debits and handling \"Reprofiling\" edge cases for failed transactions.• Tested the \"FeeFit\" Subscription Product, verifying inventory logic, user entitlement flows, and the removal of expired inventories from the Customer Dashboard.• Validated Dispute Resolution journeys, ensuring customers could correctly flag transaction issues via the UI.Security & Vulnerability Testing:• Identified and reported critical Insecure Direct Object Reference (IDOR) vulnerabilities in the user profile module, preventing unauthorized access to sensitive customer data.• Executed security testing on Nominee Details Migration, ensuring zero data leakage during the transition of sensitive user records between databases.Mobile App & TWA Implementation:• Executed End-to-End (E2E) testing for Trusted Web Activity (TWA) implementation, ensuring seamless performance of web modules within the native mobile app.• Tested the Mobile App Profiling Journey and \"Customer Onboarding\" revamp, focusing on reducing drop-offs during the sign-up process.• Validated the Dashboard Revamp (Hamburger menu, Tab reorganization), ensuring UI consistency across different mobile screen sizes.User Segmentation & Business Logic:• Verified complex User Segmentation Logic (Red vs. Green Salable users), ensuring correct product bundling (CFP+CHR) was displayed to the right customers.• Tested NPS (Net Promoter Score) logic triggers based on user ARS scores (360/370/380) to capture accurate customer feedback.API & Localization Testing:• Validated Chatbot APIs (WhatsApp), ensuring correct event triggers and response logic for the \"CFU\" bot.• Performed Localization Testing for Hindi content rendering based on UTM parameters, ensuring vernacular users saw the correct language interface.

Education

• NATIONAL ENGINEERING COLLEGE

  B.E.COMPUTER SCIENCE AND ENGINEERING, Computer science and engineering

  2017 — 2021