Ahmad Z.

Your next release can be your most confident one. I'm a Top Rated QA Engineer with 17+ years of experience, 6K+ hours logged and 18,000+ defects caught. I help SaaS, AI and enterprise teams ship stable software at speed, with clear bug reports your developers can act on the same day. Manual QA Tester | Web, Mobile (iOS & Android), SaaS, Desktop & AI Testing | API Testing | E2E Testing | Playwright TRACK RECORD - 17+ years in Software Quality Assurance - 1000+ Android & iOS apps and 700+ web applications tested - Industries: SaaS, eCommerce, Healthcare, Banking, ERP, POS and more - Top Rated on Upwork, 39 jobs delivered, $60K+ earned - Tested under real-world networks: 3G, 4G, 5G, 1Gbps and low-bandwidth (kbps) conditions to catch sync, timeout and usability issues WHAT I TEST Manual QA - Functional, regression, smoke and end-to-end testing - Exploratory and reverse testing (invalid/unexpected inputs) for robust error handling - Cross-browser and cross-device testing, mobile app testing (iOS & Android), PWA testing - Usability, UI/UX and payment gateway testing - System testing and user acceptance testing (UAT) - API testing with Postman and Swagger - Requirement analysis, test case design, defect reporting and management AI Testing - AI model performance and response accuracy validation - Chatbot and conversational AI testing: flows, NLP intent and entity checks - AI agent functional and usability testing - Voice agent quality testing: ASR, TTS, latency, filler word detection - Knowledge-base and prompt flow QA, context retention and session continuity - Multi-agent coordination and voice call testing - Real-world AI app testing (Retell, Bland, Vapi, ElevenLabs, Play.ht, Wishpond AI, Senior Care AI) Automation (when required) - Playwright test scripts for regression suites Tools: Jira, Trello, Asana, Linear, BrowserStack, Postman, Swagger, Google Sheets, Notion, Slack, physical iOS/Android devices. WHAT YOU'LL RECEIVE - Detailed bug reports with screenshots and screen recordings - Clear steps to reproduce every issue - Test cases, checklists and test plans - Regression testing reports - Automation scripts (when required) - Actionable recommendations to improve quality and user experience WHY CHOOSE ME ✔ 17+ years of hands-on QA across web, mobile, SaaS and AI products ✔ Sharp eye for edge cases and critical defects others miss ✔ Structured, repeatable documentation: test plans, test cases, checklists ✔ Agile-friendly, clear async communication and on-time delivery ✔ Flexible: one-off pre-launch testing, ongoing regression per release, or a long-term QA partner Whether you need complete QA before a launch, regression testing for each new release, or testing for your AI chatbot or voice agent, message me with your app and timeline and I'll reply with a clear plan. Let's build software your users can trust. Related keywords: Manual Testing, QA Tester, Software Tester, Web Testing, Mobile App Testing, iOS Testing, Android Testing, API Testing, AI Testing, Chatbot Testing, LLM Testing, Regression Testing, Cross-Browser Testing, Test Case Design, Jira, UI/UX Testing, End-to-End Testing, Functional Testing, Bug Reports, Quality Assurance, Payment Gateway Testing, Test Plan, Usability Testing.