Leemark Q.Private profile: Upwork shows its earnings only to signed-in members, so we check it every few weeks, not daily. MRR here is a rough estimate (Upwork's six-month earnings ÷ months active). Last read Nov 5, 2026.

I have worked as a Quality Assurance (QA) Tester in Market Research for 5 years, specializing in ensuring the accuracy, reliability, and integrity of survey data and research outputs. My role has consistently focused on validating survey logic, testing exclusivity rules, and identifying defects that could compromise data quality. By applying structured QA methodologies, I’ve helped research teams deliver insights that are both credible and actionable for clients. Over the past five years as a QA Tester in Market Research, I have designed and executed test cases to validate skip patterns, routing, and exclusivity rules in complex questionnaires, ensured respondent data integrity by preventing duplication, bias, or misclassification, and applied QA frameworks and automation tools to streamline processes and reduce manual errors. I have collaborated closely with researchers, programmers, and analysts to resolve issues quickly while maintaining high delivery standards, and produced clear QA logs and defect reports that guided teams in correcting problems before launch, ultimately safeguarding the accuracy and reliability of research outcomes.