Sandeep Yadav

I am a Senior Software Quality Assurance Engineer available for hourly freelance work, with 15+ years of experience delivering high-quality web and mobile applications for global consumer products. I have worked extensively on Android, iOS, Windows, and Web platforms, with deep expertise in functional, regression, exploratory, UAT, and security testing.

I specialize in end-to-end QA ownership from requirement analysis and test strategy to execution, defect management, and release sign-off.I have led QA efforts for large-scale consumer applications with millions of users, ensuring reliability, performance, and security across releases.

My background includes strong experience in mobile application testing, API testing, and product security, particularly in cybersecurity-focused products such as antivirus, VPN, Wi-Fi security, and identity protection solutions. I am comfortable working in Agile/Scrum environments, collaborating closely with developers, product managers, and stakeholders to deliver stable and secure releases.

As a freelance QA engineer, I can help you with:

• Manual testing for web & mobile applications

• Regression, exploratory, functional & UAT testing

• Mobile testing on real devices and emulators

• API testing and backend validation

• Test documentation (test plans, test cases, checklists)

• Bug reporting with clear reproduction steps

• Security-focused QA for consumer applications

I am self-motivated, detail-oriented, and reliable, and I can work independently or as part of a distributed remote team while maintaining high quality standards and clear communication.