Deepak Karn

QA Tester with 1.5+ years of hands-on experience in manual testing, API testing, and defect lifecycle management across web applications.

Background in React.js development enables early-stage defect identification and precise root-cause analysis. Skilled in writing and executing test cases, test plans, and test scripts; validating functional, regression, UI/UX, and integration scenarios; and delivering structured bug reports that reduce developer resolution time. Seeking an entry-level QA Tester or Software Tester role to contribute to quality assurance processes in a product or services environment.

QA Tester / React JS Developer at QuadB Technologies (2023-04 – 2025-01)

Performed end-to-end quality assurance and manual testing across multiple web application projects, alongside UI development responsibilities.

• Wrote and executed 150+ manual test cases covering functional testing, regression testing, UI/UX testing, and integration testing across 3 production web applications.
• Identified and logged 60+ defects using structured defect reports — including severity, priority, steps to reproduce, expected vs. actual results — reducing developer resolution cycle by standardising the defect format across the team.
• Performed REST API testing using Postman, validating 20+ endpoints for correct HTTP status codes, response payloads, authentication headers, and error handling; caught 12 API defects before production deployment.
• Executed role-based access control (RBAC) test scenarios across Admin, Manager, and Employee roles in 8 application modules, ensuring zero privilege-escalation vulnerabilities on each release.
• Conducted cross-browser compatibility testing (Chrome, Firefox) and responsive/mobile testing across desktop, tablet, and mobile viewports, identifying 15+ layout defects.
• Reproduced 100% of client-reported production defects within 24 hours, providing environment details, test data, and console logs to accelerate root-cause analysis.
• Prepared test plans, test scenarios, and feature-level QA reports used as release sign-off documentation; improved team's release confidence by establishing a repeatable test cycle.
• Leveraged React.js and JavaScript development knowledge to perform code-level debugging via Chrome DevTools, tracing console errors and network failures to pinpoint front-end defects.

Master of Computer Applications in MCA – Chandigarh University (2024-01 – 2026-01)

Bachelor of Computer Applications in BCA – Gujranwala Guru Nanak Khalsa College (2019-05 – 2022-07)