sachin_ sherki
Sachin Sherki
About
Top Skills
Experience
Quality Analyst
Aurus Tech Pvt Lmt Nigdi Pune
Feb 2023 - Feb 2026Quality Analyst with 3+ years of experience in testing payment gateway applications, specializing in REST API testing,
web testing, fraud/security validation, and automation testing. Strong hands-on experience with REST API testing,
Postman, Selenium (Python), Robot Framework, CI/CD pipelines, and WAF / ModSecurity rule validation. Actively
involved in end-to-end testing lifecycle, from requirement analysis to production deployment, with deep exposure to
e-commerce payment flows, fraud prevention, and secure checkout systems
Education
RCERT
Bachler's of Engineering, Electrical Engineering
2017 - 2020Projects
UI and API Automation Testing
Oct 2024 - Feb 2026 Assisted in automating new enhancements and uncovered scenarios.
Supported FastAPI-based services to simulate real checkout behavior.
Helped improve automation coverage and stability.
Supported CI/CD pipeline integration using Jenkins.
Monitored API performance and optimized test cases, reducing execution time by 15% and enhancing system
scalability validation.
Fraud & Security Enhancements
Oct 2023 - Feb 2026 Tested rate limiting, device ID validation, checkout origin validation, and bot detection.
Validated Google reCAPTCHA v3 integration on iframe and paypage components.
Tested ModSecurity (WAF) rules at web layer for XSS, SQLi, OS command injection, directory traversal, and
sensitive data leakage.
Verified correct security-layer HTTP status codes (400, 403, 405, 406, 429).
E-Commerce Payment Gateway Platform (Aurus)
Apr 2023 - Feb 2026E-Commerce Payment Gateway Platform (Aurus)
Tested end-to-end checkout and payment flows for e-commerce merchants.
Validated multiple payment tenders including cards, wallets, EBT, and gift cards.
Performed combined UI and API testing to ensure seamless data flow.
Tested third-party fraud integrations such as 3DS and Ravelin.
Ensured data integrity and secure handling of sensitive information.