Muhammad Ahsan Zafar Baig, Quality Assurance Engineer

About

Detail-oriented and experienced QA Tester with 4+ years of experience in manual testing for web, mobile, and SDK-based applications. Skilled in writing and executing test cases, reporting bugs using Jira, and collaborating with development teams to ensure smooth user experiences. Proven track record of identifying critical bugs, improving release quality, and maintaining testing documentation. Key Strengths: ✔ Manual testing (Web, Android, iOS, SDKs) ✔ Bug tracking and reporting (Jira, Trello) ✔ Regression testing, test case writing ✔ Functional & UI/UX validation ✔ Detail-focused with strong communication skills ✔ Based in Berlin, Germany (Available for remote/flexible projects)

Experience

CastLabs

Jan 2025 – Present

Berlin

QA Engineer

1) Perform manual QA testing on video player SDKs for Android, iOS, and Microsoft platforms. 2) Debug and validate media playback functionality using DRM (Digital Rights Management) standards. 3) Write and execute test cases to validate product features and platform compatibility. 4) Report and track bugs using Jira, contributing to high-quality product releases. 5) Verify pull requests (PRs) and maintain test documentation.

Workforce Software (TimeXperts)

Nov 2022 – Dec 2024

Karachi

Application Consultant (HRM Software Testing)

1) Conducted end-to-end testing of EmpCenter® Time and Attendance (ERP) systems during client implementations. 2) Designed test scenarios to validate time rules, pay code configuration, and scheduling logic. 3) Collaborated with QA and development teams to troubleshoot and resolve system errors pre- and post-deployment. 4) Logged and tracked system issues using Salesforce and Excel for defect resolution. 5) Improved testing efficiency by 30% through workflow enhancements and documentation.

Technosys Int

Aug 2021 – Nov 2022

Karachi

QA Tester

1) Executed functional and regression testing of custom software solutions prior to client rollout. 2) Developed test cases and user scenarios for QA validation. 3) Delivered post-deployment testing to verify bug fixes and user-reported issues. 4) Prepared detailed defect reports and collaborated with dev teams for resolution. 5) Created user guides and documentation to support UAT and system adoption.

EyeCon Consultant

Aug 2020 – Aug 2021

Karachi

Implementation & Support Engineer

1) Assisted in the implementation of enterprise applications and conducted UAT testing. 2) Performed configuration testing and verified data integrity across system modules. 3) Documented technical issues and coordinated resolutions with development teams. 4) Provided functional support for time tracking, payroll, and HR modules within ERP systems.

Education

Karachi Institute of Economics and Technology

Jan 2016 – Apr 2020

Bachelors of Science , Computer Science

Muhammad Ahsan Zafar Baig

Quality Assurance Engineer

Skills

Languages