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David Clerk
@david_clerk34
Programming and Tech
United Kingdom
English, French, Spanish, German
About me
I’m a Professional Programmer & Tech Specialist dedicated to building efficient, scalable, and user-focused solutions. I specialize in web development, automation, bug fixing, and system optimization, delivering clean, reliable code tailored to your needs. With a focus on performance, security, and timely delivery, I turn ideas into functional, high-quality digital solutions that drive results
Skills
David Clerk
Offline •
Average response time: 4 hours
See my services
User Testing
I will do app testing website testing QA iphone android user testing
User Testing
I will do user testing app testing website testing QA iphone android UI UX
Portfolio
Work experience
Software QA Analyst & Bug Tester
Digital Agency • Self-employed
Aug 2024 - Jul 2025 • 11 mos
Tested mobile applications across various device models and OS versions to identify crashes, edge cases, and layout bugs. Collaborated directly with developers to verify bug fixes, run re-tests, and prepare release readiness logs. Delivered comprehensive user feedback and usability reports for client product launches.
Lead QA & Mobile App Tester
Fiverr • Freelance
Feb 2022 - May 2023 • 1 yr 3 mos
Executed end-to-end manual, exploratory, and regression testing for iOS, Android, and web platforms. Authored structured test cases, bug reports, and steps to reproduce using Jira, Trello, and Excel. Conducted API endpoint validation, cross-browser compatibility, and UI/UX responsiveness checks, reducing post-launch defects by 35%.
