Yuriy T.

🏆 Senior QA Tester | SDET Automation Expert | 𝐀𝐈-𝐃𝐫𝐢𝐯𝐞𝐧 𝐐𝐮𝐚𝐥𝐢𝐭𝐲 𝐄𝐧𝐠𝐢𝐧𝐞𝐞𝐫𝐢𝐧𝐠 🔧 Working with modern 𝐀𝐈 𝐭𝐨𝐨𝐥𝐬, including Cursor, Claude Code, GitHub Copilot, GPT-4/GPT-4o, and Claude Sonnet for faster debugging and QA automation 🧪 Experienced in Manual Testing, Test Automation, API Testing, Mobile Testing, and End-to-End Quality Assurance 🙋‍♂️ Click Hire or Invite if you're looking for a Senior QA Engineer who combines proven QA expertise with AI-driven testing and automation practices. 👉 WHAT YOU GET ✔️ Senior QA Engineer & SDET - 10+ years of experience, full-cycle quality assurance ownership, extreme client impact, and zero-defect deployment targets. ✔️ QA Automation Engineer & Manual Tester - 2,000+ test suites executed, shorter regression testing cycles, stable test automation frameworks, and trusted engineering delivery. ✔️ Quality Assurance Testing Expert - reduced production hotfixes, cleaner functional testing processes, and reliable user acceptance testing (UAT) gates for SaaS platforms. 👉 ACHIEVEMENTS ✔️ 10+ years, 15,000+ hours, hundreds of milestones completed as a QA tester, software tester, and QA manual engineer across startup MVP and enterprise testing infrastructures. ✔️ 2,000+ jobs and test cycles completed through manual testing, automation testing, functional testing, and compatibility testing. ✔️ 100,000+ active users protected through cross-browser testing, end-to-end testing (E2E), Playwright frameworks, and smoke testing that improved application stability. ✔️ 10,000+ user records secured in healthcare testing frameworks and mobile app testing environments through API testing and database testing. ✔️ Faster validation flows across marketplace platforms, fintech systems, and CRM architectures using Cypress and Selenium. ✔️ Shorter regression testing cycles through CI/CD testing integration, Jenkins pipelines, and GitHub Actions optimization. ✔️ 5–8 weeks shorter startup MVP testing timelines through exploratory testing, root cause analysis, and proactive black box testing. 👉 WHERE I DELIVER ✔️ As an automation tester & SDET - building maintainable test automation frameworks using Playwright, Cypress, Selenium WebDriver, and Appium for mobile automation. ✔️ As an API testing specialist - delivering REST API testing, GraphQL testing, JSON validation, and backend scenarios using Postman, Swagger, and Charles Proxy. ✔️ As a manual QA engineer & analyst - performing exploratory testing, ad hoc testing, integration testing, system testing, sanity testing, and usability testing. ✔️ As a database testing expert - validating data integrity through SQL testing using MySQL, PostgreSQL, MongoDB, and Firebase. ✔️ As a mobile app testing expert - testing native and cross-platform applications using Android SDK, Genymotion, and BrowserStack. ✔️ As a test documentation manager - creating test plans, test strategies, test cases, test scenarios, and QA documentation using TestRail, Zephyr, and Xray. ✔️ As a long-term QA engineer - providing ongoing testing and maintenance, regression testing, defect management, bug reporting in Jira, and dedicated QA support. 👉 AI-ASSISTED QA & SMART TESTING EXPERT ✔️ AI-Assisted QA Workflows - leveraging ChatGPT and Claude to accelerate test case generation, QA documentation, and automation code refactoring. ✔️ AI App Testing & AI Product Validation - testing AI-driven platforms, predictive analytics portals, LLM chat behaviors, and prompt-processing mechanics. ✔️ AI-Powered Root Cause Analysis - utilizing AI for log inspection, debugging analysis, defect classification, and rapid issue investigation. 👉 INDUSTRY IMPACT ✔️ SaaS Testing & Enterprise Applications - multi-tenant dashboard validation, role-based permissions checks, ERP testing, and high-load web application testing. ✔️ Fintech Testing & Payment Systems - payment gateway validation, secure transaction flows, white box testing, and performance testing. ✔️ Healthcare Testing & Telemedicine - patient flow validation, medical records synchronization testing, accessibility testing (WCAG), and compliance-focused QA. ✔️ Marketplace Testing & E-commerce - end-to-end checkout verification, multi-vendor scenarios, load testing, and localized content testing. 👉 HOW I BUILD ✔️ Agile QA & Scrum Collaboration: integrating into software quality assurance sprints, collaborating with engineering leads, and managing defect lifecycles in Jira and Confluence. ✔️ Performance & Load Optimization: validating scalability through JMeter and LoadRunner frameworks. Looking for a reliable Senior QA Engineer, Automation Tester, or SDET who can build a test automation framework from scratch, execute a comprehensive test plan for a startup MVP, or provide immediate QA support for long-term collaboration? Let's connect! Send an invite and let's talk about your quality assurance goals. ☎️