Miguel E.
QA Engineer | Web & Mobile Testing | Playwright | API Testing | UX
I HELP TEAMS SHIP RELIABLE, USER-FRIENDLY PRODUCTS WITH UX-FOCUSED QA QA Engineer with 6+ years of experience testing Web and Mobile applications, specializing in functional testing, API testing, test automation, and UX-focused quality assurance. I help startups and product teams identify critical bugs, validate business-critical workflows, and reduce release risk across browsers, devices, and platforms. I focus on the flows that matter most to your business — payments, registration, authentication, checkout, navigation, integrations, and data validation — combining technical QA with a real user perspective. 🔍 What I can help you with • Manual & Functional Testing • Web & Mobile Testing • API Testing with Postman • Test Automation with Playwright • Cross-browser & Cross-device Testing • Regression Testing • UX & Usability Testing • Test Case Design & Execution • Clear, actionable bug reports with reproduction steps and evidence 🧪 Tools & QA Technologies • Playwright • Postman • Katalon • Tricentis Tosca • API validation • Test case design & execution 📈 Experience & Results • 6+ years in Software Quality Assurance • 500+ automated test cases delivered • Experience testing critical payment flows • UX and validation testing for web platforms • Experience working with international and distributed teams My goal is simple: find problems before your users do, reduce release risk, and help your team ship with confidence. If you have a Web or Mobile product that needs reliable QA, I can help you test it from both a technical and user perspective.
Earnings and projects
Last 6 months ÷ 6
Last 6 months: $2.8k
Billed in all: $3,684$3.7k
$313 in the last 6 months
Across 10 contracts
Across 22 contracts
Earnings, last 30 days
Skill rankings: Top 16% in SOAP
Ranked by MRR among everyone on Upwork with the skill.
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