Nazar T.

QA Engineer | Manual and Automation testing

Key Achievements: 🏆 Top-Rated freelancer with 5+ years of professional QA experience 📌 Lots of Upwork projects successfully completed 🤖 5+ AI platforms tested 🚀 Tested and launched 10+ startup products successfully to the store ⏰ Worked over thousands hours on Upwork. As a QA Engineer with 5+ years of experience in Software Quality Assurance, I help teams present stable, user-friendly, and reliable products across web, mobile, and desktop platforms. My focus - understanding user behavior, business logic, and edge cases that impact real users. I’ve worked on products at different stages (startup to scaling), collaborating closely with developers and product teams to ensure high-quality releases. 🧪 Core QA Expertise ✅ Manual QA & Functional Testing • Functional, Regression, Smoke & Exploratory Testing • End-to-End User Flow Validation • UI/UX & Usability Testing • Acceptance & Integration Testing • Cross-Browser & Cross-Device Testing • Mobile App Testing (iOS & Android real devices) • Desktop Application Testing • Payment Flow & Form Validation • Edge Case & Negative Scenario Testing 🤖 Automation Testing • UI Automation with Cypress, Selenium, Playwright • JavaScript-based test scripting • Automation of critical user flows • Regression test coverage support 🔌 API & Data Testing • API Testing with Postman • Basic backend & data validation • Understanding of databases & data structures 🛠 Tools & Collaboration • Bug Tracking: Jira, Trello, Asana, Linear • Test Documentation: Test Cases, Checklists, Test Plans • Browsers & Devices: Chrome, Firefox, Safari + real iOS/Android devices • Collaboration&reporting: Slack, Google Docs / Sheets • CI-friendly testing mindset 🧠 How I Work ✔ Think like an end user, not just a tester ✔ Write clear, actionable bug reports with expected vs actual results ✔ Prioritize issues by risk and business impact ✔ Adapt quickly to fast-changing products and requirements ✔ Communicate clearly and proactively with teams ⭐ Why Choose Me? ✔ 5+ years of professional QA experience ✔ Strong mix of manual + automation skills ✔ Detail-oriented with a product-focused mindset ✔ Comfortable working independently or within Agile teams ✔ Flexible availability and quick onboarding ✔ Goal-driven 🔑 Related Keywords Manual QA, Automation Testing, Web Testing, Mobile App Testing, iOS QA, Android QA, API Testing, Postman, Cypress, Selenium, Playwright, Regression Testing, Exploratory Testing, End-to-End Testing, UI/UX Testing, Bug Reporting, Jira, Quality Assurance, Software Testing, Test Case Design, Acceptance Testing