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⭐️ Highly skilled QA Engineer with over 9 years of experience in various types of testing, including web, mobile, and desktop platforms. Proficient in creating test documentation, working with Agile methodologies, and utilizing a wide range of testing tools and frameworks. ⭐️Top Rated Plus freelancer⭐️ 100% Job Success 📌Summary of Skills: * Manual Testing Mobile Applications (Android & IOS with Testflight installed) * Manual Testing of Desktop Software and Web-based Software * Excellent bug finder with a good eye for details, receiving awards and bonuses * Document creation (Test plan, test case, test script, test scenario, user's manual) * Report Bugging Documentation * Project Handover Documentation * Worked on Agile Methodologies 📌Scope of Testing: * Manual Testing (Functional testing such as smoke and sanity testing, regression, usability, alpha-beta, positive and negative, GUI, exploratory, API, and end-to-end testing) * Mobile Apps Testing * Game app testing(mobile/desktop) * Cross-browser Testing * UI/UX Testing/Feature suggestion * Test media platforms such as Roku, Visio, Tizen, Apple TV, Fire TV, and Android TV - 5 years of experience 📌Technical Experience: * Platforms: Windows XP, Windows 7, Windows 10 * Database: MySQL * Remote Applications: TeamViewer, Remote Desktop Application * Defect Tracking and Management Tools: JIRA, Trello, X-Ray, Excel, Youtrack, Zephir, Mantis * Other software/tools: Browserstack, Google Apps, Dropbox, Postman, Slack, Microsoft Teams * Microsoft Applications and documentation tools 📌Devices: * Android - Xiaomi mi 9t PRO * iPhone XR, iPhone 12 plus, iPhone 13 (TestFlight ready) * Tablet - iPad 8 gen * Apple TV * Google Chromecast ⭐️ Why you should choose me over another freelancer ⭐️ - I provide high-quality and professional work so that the customer has a positive experience of working with me, is satisfied with the result, and wants to come back to me next time with a new job offer. - I believe that my passion for testing and ability to learn, adapt to new challenges, and grow make me a strong competitor. Have any questions or want to discuss your projects? Please do not hesitate to contact me. Let’s get started! Cheers! ------------------------------------------------------------------------------------------------ Keywords: Quality Control, Manual Testing, Quality Assurance, QA Testing, Web Testing, Bug Reports, GUI Testing, UI Testing, Software QA, QA Engineering, Desktop Application Testing, Functional Testing, Non-functional, Software Testing, Web App Tester, Usability Testing, User Acceptance Testing, Defect Tracking, Test Reporting, Test Plan, Test Case, Data Testing, Website Testing, User Story, Beta Tester, Stability/Reliability testing, Compatibility testing, Black box Testing, Cross-Browser Testing, Cross-Device Compatibility, Retesting, Front End Testing, Accessibility testing, Web Content Accessibility Guidelines (WCAG).

📩 Available to start 𝗔𝗦𝗔𝗣 I am a results-driven QA Tester and experienced QA Engineer specializing in structured QA Manual processes and end-to-end Software QA Testing for web and cloud platforms. As a dedicated Web Tester, I deliver stable releases, reduce defects, and improve SDLC standards. I have worked as a qa tester, manual tester, and Manual QA tester, combining strong qa engineering discipline with practical qa testing and scalable qa software quality control. Over 5+ years and 50+ projects, I have performed full-cycle software testing — from requirements analysis to release approval. As both qa engineer and tester, I design structured qa manual testing frameworks and expand software qa testing coverage while maintaining precision as a web tester and website tester. I collaborate with full stack developer, project manager, and cross-functional teams to ensure reliable qa testing delivery. My expertise includes SaaS, ERP, CRM, and healthcare systems, including compliance-related environments and region-specific regulations projects. I have contributed to platforms requiring salesforce qa, ux qa, and enterprise-grade website testing validation. 🏆 𝗖𝗲𝗿𝘁𝗶𝗳𝗶𝗰𝗮𝘁𝗶𝗼𝗻𝘀 & 𝗣𝗿𝗼𝗳𝗲𝘀𝘀𝗶𝗼𝗻𝗮𝗹 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 •Edchart Certified Usability Testing Subject Matter Expert: Enhanced usability-driven software qa testing, advanced qa manual validation, and structured test analysis. As a qa engineer and qa tester, I apply risk-based qa testing and improve release confidence as a web tester. •Edchart Certified Manual Testing Subject Matter Expert Advanced specialization in qa manual, qa manual tester practices, and structured regression planning. Strengthened my role as software qa engineer manual specialist and delivery-focused qa tester ensuring scalable software qa testing cycles. •PMI – Agile & Predictive Project Management Improved collaboration with project manager teams, aligning sprint-based software testing with structured qa manual testing and long-term qa engineering governance. 𝗧𝗢𝗢𝗟𝗦 & 𝗧𝗘𝗖𝗛𝗡𝗢𝗟𝗢𝗚𝗜𝗘𝗦 📋 𝗧𝗲𝘀𝘁 𝗠𝗮𝗻𝗮𝗴𝗲𝗺𝗲𝗻𝘁: Jira, Confluence, ClickUp, Trello, TestRail, Qase Support structured qa manual, defect tracking, and transparent software qa testing processes led by a disciplined qa tester and qa engineer. 🌐 𝗪𝗲𝗯 & 𝗖𝗿𝗼𝘀𝘀-𝗣𝗹𝗮𝘁𝗳𝗼𝗿𝗺 𝗩𝗮𝗹𝗶𝗱𝗮𝘁𝗶𝗼𝗻: BrowserStack, LambdaTest Professional website testing performed as a web tester and website tester, ensuring cross-browser reliability. 📱 𝗠𝗼𝗯𝗶𝗹𝗲 & 𝗣𝗹𝗮𝘁𝗳𝗼𝗿𝗺 𝗧𝗲𝘀𝘁𝗶𝗻𝗴: Validation as a mobile app tester and an app tester to extend software qa testing coverage under structured qa manual testing standards. 🔌 𝗔𝗣𝗜 & 𝗕𝗮𝗰𝗸𝗲𝗻𝗱 𝗩𝗮𝗹𝗶𝗱𝗮𝘁𝗶𝗼𝗻: Postman, SQL Backend logic verification, reporting checks, and data entry validation including manual data entry workflows. 🤝 𝗔𝘂𝘁𝗼𝗺𝗮𝘁𝗶𝗼𝗻 𝗖𝗼𝗹𝗹𝗮𝗯𝗼𝗿𝗮𝘁𝗶𝗼𝗻: Work alongside qa automation engineer and automation tester teams to support scalable qa automation adoption while maintaining strong qa manual coverage and balanced software qa testing strategy. 𝗞𝗘𝗬 𝗣𝗥𝗢𝗝𝗘𝗖𝗧𝗦 🌍 WHO COVID Monitoring Service Delivered structured software qa testing and enterprise-level website testing as qa tester and qa engineer, ensuring production stability as web tester. 🇩🇰 Danish Government Housing Platform Performed large-scale qa testing, cross-browser validation, and regression cycles as qa tester, qa engineer, and website tester. 🏢 Enterprise ERP System Validated financial logic, documentation, and operational flows including collaboration with data analyst roles and ensuring compliance-related structures similar to user manual.. ❤️ Healthcare Donation Platform Executed secure transaction software testing, including home health qa validation and structured qa manual testing oversight. ☁️ SaaS & CRM Systems Worked on cloud platforms requiring salesforce qa, deep ux qa, and scalable software qa testing processes. 💪 𝗖𝗼𝗿𝗲 𝗘𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲 • Full-cycle Software QA Testing • Structured QA Manual and qa manual testing • Functional, regression, and exploratory qa testing • Cross-browser website testing as a web tester • API & database validation • Collaboration with qa automation, qa automation engineer, and hybrid teams • Scalable qa engineering frameworks My work as a QA Tester, qa tester, and strategic QA Engineer reduces production defects through disciplined qa manual execution and reliable software qa testing governance. If you need a reliable QA Tester, experienced QA Engineer, detail-oriented Web Tester, and structured QA Manual specialist delivering enterprise-level Software QA Testing, I am ready to contribute immediately. Let’s build software that performs flawlessly in real-world conditions!

⛔️ Stop losing users due to crashing apps, hidden navigation barriers, and unexpected glitches! ✅ I will find critical vulnerabilities in your website, mobile, or SaaS software before they cost you time, money, and reputation. 🎯 CORE STRATEGY & TECHNICAL APPROACH Finding a reliable QA Tester who can dive deep into your product architecture is crucial for a successful launch. I streamline chaotic testing workflows by setting up a clear strategy tailored to your specific business goals, ensuring ✅ 100% requirements coverage across the entire SDLC and STLC. As your QA Tester, I identify: 🐛 Functional bugs & Smart Contract user-flow anomalies 🚦 Performance bottlenecks & Latency issues 🔐 Security threats (OWASP Top 10 & Web3 entry vulnerabilities) — early in the development process to save you time and budget. 📊 PROVEN RESULTS As a results-oriented QA Tester, I focus on tangible impacts and data-driven metrics: 🏆 4+ years of hands-on QA experience delivering high-quality web applications, SaaS, and mobile apps. 🚀 100+ successful releases shipped (including Web3 & AI integrations). 🤖 4,000+ automated tests written and 📝 10,000+ manual test cases designed. 💵 $200,000+ saved for clients through optimized QA automation and early bug detection. ⚡ Optimized CI/CD pipelines to reduce regression cycles from 5 days to 4 hours through parallel test execution. 🚨 1,000+ critical bugs caught pre-release, including memory leaks, race conditions, and SQL injections. 🧩 COMPREHENSIVE SERVICES & EXPERTISE My approach as a versatile QA Tester covers every layer of your application: • 🤖 FULL-STACK AUTOMATION: Built scalable automation frameworks using Playwright, Cypress, and Selenium WebDriver with Page Object Model and BDD practices to ensure your test suite is maintainable and readable. • 🎮 MANUAL QA, GAME & WEB3 TESTING: Whether acting as a methodical manual tester or a dedicated video game tester, I cover mechanics, balance, and UI/UX consistency (Cocos, Unity) alongside standard suites. As a game tester, I ensure bug-free gameplay. Specialize in Web3 testing, verifying dApps, token transfers, and non-custodial wallet interactions. • 🔐 API, AI & SECURITY TESTING: Validation of business logic, authentication tokens, LLM prompt responses, and data integrity using Postman and REST Assured. I conduct security audits based on OWASP standards to protect against unauthorized data access. • 📈 PERFORMANCE & LOAD TESTING: Using JMeter and k6 to simulate high-traffic scenarios (Stress, Endurance, and Spike testing), identifying server-side bottlenecks before they impact users. • 📱 MOBILE APP TESTING: Flawless experience across real iOS (via TestFlight) and Android devices, testing for battery consumption, network switching (4G/5G/Wi-Fi), and interrupt conditions. • ♿ ACCESSIBILITY (A11Y): Guaranteeing WCAG 2.1/2.2 compliance through manual screen reader testing (NVDA, JAWS) and automated audit tools like AXE and WAVE. 📱 REAL DEVICE LAB: Cross-platform verification on real Windows 10/11 laptops, iOS (iPhone via TestFlight), and Android devices. 🛠️ TECHNICAL ECOSYSTEM 📌 Methodologies: Agile, Scrum, Kanban, TDD, CI/CD, DevOps. 🧪 Testing Types: Black-box, White-box, Gray-box, Cross-browser, Localization (L10n), Usability, Integration, and UAT. 💻 Languages: Java, TypeScript, JavaScript, SQL. 🔧 Tools & Web3: Postman, Newman, TestFlight, Metamask, Coinbase Wallet, WalletConnect, Burp Suite, OWASP ZAP, Charles Proxy, Fiddler, Chrome DevTools. ☁️ Infrastructure: Jenkins, GitHub Actions, GitLab CI, Docker, Kubernetes. 📋 Management: JIRA, TestRail, Zephyr, Confluence, Monday, Trello. 🏢 INDUSTRY EXPERIENCE As a QA Tester with deep domain knowledge, I have successfully delivered projects in: 💳 FINTECH, WEB3 & CRYPTO: Secure payment gateways, dApps, DEX/CEX platforms, DeFi protocols, and transaction ledger verification. 🛒 E-COMMERCE: Magento, WordPress, and Shopify platforms with high-load user flows and P2P payments. 🏥 HEALTHCARE & EDTECH: Privacy-compliant systems (HIPAA) and interactive SaaS tools. 🎰 GAMBLING & GAMING: Real-time data processing, social features, and PC/Steam game testing. 🤖 GENERATIVE AI & CMS: Testing data integrity for AI models, AI chat-bots, prompt engineering, and content management flexibility. 💡 WHY MY METHODOLOGY WORKS Choosing me as your QA Tester means getting a specialist who plugs into all stages of the SDLC. I provide developer-friendly logs, videos, and impact assessments to simplify the debug workflow. I adapt fast to changing priorities, update test cases on the fly, and ensure testing stays aligned with your roadmap. I onboarding quickly and ask the right questions to minimize the training you need to provide. ✅ READY TO LAUNCH WITH CONFIDENCE? Don't let a minor bug ruin a major release. 💬 Click the green “Message” or “Invite” button at the top right of this page to discuss how I can help as your QA Tester to make your product stable, secure, and ready for scale!

✅ READY TO START ASAP 🏆 QA AUTOMATION ENGINEER | 3+ years| PLAYWRIGHT SPECIALIST | DRIVING PRODUCT QUALITY WITH AI TESTING Hi, I’m Lina, a Senior QA Automation Engineer with deep expertise in Playwright. I team up with fast-scaling tech companies across the US and Europe to replace sluggish manual QA processes with highly efficient, automated pipelines. My focus is on removing release bottlenecks so your team can ship faster, scale securely, and deploy to production with zero risk. ✔️ QA Automation Engineering: Re-architecting legacy test suites into lightning-fast, highly resilient CI/CD pipelines leveraging scalable Playwright frameworks and uncompromising quality gates. ✔️ AI-Powered QA Strategies: Integrating AI-driven testing agents within robust Playwright environments to optimize coverage and secure complex, non-linear workflows where standard automation falls short. ✔️ Quality-Driven Mindset: Enforcing a zero-noise testing standard. I wipe out flaky tests using Playwright, guaranteeing absolute build reliability for developers and sustaining elite product quality. As a dedicated QA specialist, my focus is on engineering modern testing ecosystems with Playwright that seamlessly bridge the gap between agile development and flawless end-user experiences. Leveraging my background in test automation, I architect robust, production-ready Playwright frameworks from the ground up. I started my path in tech with a deep interest in software quality. Early in my career, I worked as a manual tester, which taught me the tester's mindset - the ability to find edge cases and understand user pain points. This foundation makes me a better Playwright specialist today: I don't just automate scripts; I automate the most impactful scenarios for QA testing. Over the last 3 years, I have evolved into a proficient QA Automation Engineer, leading QA testing efforts for complex web and mobile platforms with a focus on stable Playwright pipelines. WHAT I HELP WITH: 1️⃣. Web & Mobile Automation Architecture I build test suites from scratch using Playwright, WebDriverIO and Appium, focusing on Page Object Model (POM) for maintainability. As a QA testing specialist, I specialize in: ● Building robust suites from scratch with Playwright, WebDriverIO and Appium. ● Advanced UI automation and QA testing with Playwright (JavaScript/TypeScript). ● Modern, fast, and reliable QA testing with Cypress and Playwright. ● Integration with CI/CD tools like Jenkins, GitHub Actions, and GitLab CI. I work as a qa tester ensuring that both web and mobile interfaces function perfectly. 2️⃣. Technical Stack & Market-Leading Tools As a technical automation engineer, I leverage a modern stack for QA testing that clients look for most: ● Frameworks: Playwright, WebDriverIO, Appium, Mocha, Jasmine. ● API Testing: Postman, Axios, Playwright API testing for robust backend validation. ● Infrastructure & DevOps: Docker, Jenkins, Git, BrowserStack, SauceLabs. ● Mobile Testing: Appium Inspector, Appium Device Farm, Xcode/Android Studio. ● Scripting: Python automation, JavaScript/TypeScript, and SQL for QA testing database verification. This allows me to support developers with clear, actionable Playwright data and maintain high-speed delivery. 3️⃣. Quality Assurance Software Strategy I design the QA testing software lifecycle: ● Defining Playwright testing strategies from the ground up for maximum coverage. ● Identifying which parts of the system require QA testing automation for the best ROI. ● Test Management: Using Jira, Zephyr, or TestRail to track QA testing progress. ● Creating professional Playwright reports with Allure for clear visibility of the product state. 4️⃣. Specialized Testing Experience My experience includes QA testing complex systems, including those built on popular CMS platforms. For instance, I have worked as a WordPress developer in the context of QA testing, which helps me understand the internal architecture of such sites. This technical background and Playwright knowledge allow me to identify potential vulnerabilities and architectural flaws much faster than a standard qa tester. 5️⃣. Analytical Testing & Mentoring Even as an automation engineer, I recognize the value of a solid manual QA testing foundation. I often combine my Playwright work with: ● High-level exploratory QA testing to find "hidden" logic bugs. ● Mobile app testing across various physical devices and emulators. ● Mentoring any manual tester on the team to help them transition to Playwright and QA testing. 6️⃣. Performance & Maintenance ● Playwright suite optimization to reduce execution time. ● Maintaining and updating existing POM structures to match UI changes. ● API QA testing to ensure backend stability WHY CLIENTS TRUST ME: ✔️ 3+ years of focused experience as a QA Automation Engineer in QA testing. ✔️ Expert in Playwright, WebDriverIO, Appium, Selenium, Cypress, and Postman. ✔️ Proven track record in building Playwright frameworks

Hello! I'm a QA Engineer from Ukraine with 20 years of experience in IT and 10 years specifically in QA and QA Team Leadership. My primary focus is manual testing, and I bring deep technical insight, attention to detail, and clear communication to every project. 🔍 Core QA Skills: Manual Testing of web, desktop, and mobile apps UI/UX Testing & usability evaluation API Testing using Postman Cross-platform testing with real devices and BrowserStack Game Testing for desktop & mobile (Windows, macOS, Android,iOS) Basic Security Testing using Kali Linux, Arachni, OWASP ZAP, Nessus, and OSINT tools Development of test plans, test cases, checklists and bug reports 💡 Tools & Technologies I work with: QA Tools: TestRail, Testlink, Zeplin, Figma, Swagger Dev Tools: HTML/CSS, ADB, Xcode, Android Studio, WordPress Payment systems: Stripe, CurrencyCloud, Thredd Bug Trackers: JIRA, Asana, Redmine, YouTrack, Trello, Pivotal Tracker, Basecamp, Airtable, Wrike, Linear 👥 Leadership & Mentorship: As a QA Lead, I mentor junior QA engineers, manage test cycles, and control QA team processes to ensure efficient and scalable testing. 🎮 Specialization in Game Testing: I have extensive experience testing games across platforms, ensuring not only functionality but smooth performance and player experience. 💼 Industries I've worked in: Outsourcing Game Development Studios Fintech Startups Event and Entertainment Platforms ✅ I combine technical depth, team leadership, and high responsibility. I am always focused on bug-free releases, efficient communication, and client satisfaction. Let’s ensure your users experience a polished, reliable product — I’d be happy to help!

Still searching for an experienced QA Tester, QA Engineer, Security Engineer, or Penetration Tester? Let’s save your time and talk 😉 I’m a QA Tester / QA Engineer with 10+ years of experience in manual testing, QA automation, security testing, penetration testing support, and overall product quality assurance across web, mobile, SaaS, fintech, healthcare, cybersecurity, AI/ML, and enterprise platforms. I help teams test faster, release with confidence, automate repetitive testing processes, and catch critical bugs, security risks, and performance issues before they reach real users. My work combines a strong QA mindset with practical Automation, Playwright expertise, API testing experience, and a security-focused approach. I don’t just click through screens and report obvious issues — I analyze how the product behaves, how the system is built, where integrations may fail, and where vulnerabilities may hide. ✅ Tools and Libraries ✔ QA Automation: Playwright, Cypress, Selenium, Appium ✔ API Testing: Postman, REST Assured, Supertest ✔ Security Testing: OWASP ZAP, Burp Suite, DevTools, custom scripts ✔ Performance Testing: JMeter, LoadRunner ✔ CI/CD Integration: GitHub Actions, GitLab CI/CD, Jenkins ✔ Bug Tracking & Test Management: TestRail, Zephyr, Jira, Trello, TestomatIO ✔ Reporting: Allure, Mochawesome ✔ Accessibility Testing: axe-core, Lighthouse, manual accessibility review ✔ Version Control: Git, GitHub, GitLab, Bitbucket ✅ Certifications and Experience 📌 ISTQB Certified QA Tester — strong foundation in QA methodologies, structured test design, test planning, test execution, and quality processes. 📌 Security-Focused QA Experience — practical experience with security QA testing, penetration testing support, vulnerability validation, OWASP-based checks, and secure product delivery. 📌 Domain Experience — Fintech, Cybersecurity, Healthcare, Marketing, Construction, Telecommunications, Real Estate, AI/ML, Logistics, E-commerce, SaaS, and 20+ other industries. 📌 QA Leadership — mentoring junior testers, building QA automation workflows, improving test strategies, preparing detailed test plans, and setting up scalable QA processes for complex products. 📌 Automation Expertise — hands-on experience building automation frameworks, especially with Playwright, Cypress, Selenium, and Appium, to support fast and stable product releases. ✅ What I’ve Been Responsible For as a QA Tester / QA Engineer • Manual QA Tester: validating product flows, business logic, UI behavior, and edge cases • Automation Tester: building stable and maintainable automation frameworks • Playwright Automation Engineer: creating end-to-end test suites and cross-browser automation • API QA Tester: validating endpoints, integrations, authentication, and secure data flow • Security Engineer: identifying risks, testing access control, and supporting safer releases • Penetration Tester: checking web applications for common vulnerabilities and security gaps • Cross-Browser QA Tester: ensuring smooth behavior across browsers, devices, and screen sizes • Accessibility QA Tester: using manual checks and tools like axe-core to support compliance • Mobile QA Tester: full-cycle mobile app test coverage for iOS and Android • Regression QA Tester: protecting existing functionality during new releases • Performance QA Tester: checking speed, load handling, and system stability ✅ How I Can Help Your Team I can help you: • Find critical bugs before your users do • Set up QA automation from scratch • Improve existing Playwright, Cypress, or Selenium tests • Create regression test coverage for fast-moving products • Validate APIs, integrations, and backend logic • Support security testing and penetration testing efforts • Improve release quality and reduce production issues • Build clear QA documentation and test plans • Integrate automated tests into CI/CD pipelines • Make your product more stable, secure, and user-friendly Whether you need a QA Tester, QA Engineer, Automation Tester, Playwright expert, Security Engineer, or Penetration Tester, I can step in and help your team ship with more confidence. Let’s connect and discuss how I can help improve your product quality, QA and automation coverage, and security testing process.