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𝗡𝗲𝗲𝗱 𝗮 𝗤𝗨𝗔𝗟𝗜𝗧𝗬‑𝗙𝗢𝗖𝗨𝗦𝗘𝗗 𝗘𝗡𝗚𝗜𝗡𝗘𝗘𝗥 𝘁𝗼 𝗰𝗮𝘁𝗰𝗵 𝗶𝘀𝘀𝘂𝗲𝘀 𝗯𝗲𝗳𝗼𝗿𝗲 𝘁𝗵𝗲𝘆 𝗮𝗳𝗳𝗲𝗰𝘁 𝘂𝘀𝗲𝗿𝘀? I help teams deliver 𝗥𝗘𝗟𝗜𝗔𝗕𝗟𝗘, 𝗦𝗖𝗔𝗟𝗔𝗕𝗟𝗘, 𝗔𝗡𝗗 𝗦𝗘𝗖𝗨𝗥𝗘 𝗣𝗥𝗢𝗗𝗨𝗖𝗧𝗦 through comprehensive QA practices — from manual and exploratory testing to modern automated and API‑centric validation. I combine process discipline with the latest tools to ensure your software meets both technical and business expectations. With 5+ years of experience, I’ve supported products across 𝗦𝗔𝗔𝗦, 𝗠𝗘𝗗𝗜𝗔/𝗔𝗗𝗧𝗘𝗖𝗛, 𝗘‑𝗖𝗢𝗠𝗠𝗘𝗥𝗖𝗘, and 𝗠𝗢𝗕𝗜𝗟𝗘 ecosystems, helping teams release faster with confidence and fewer regressions. ✨ 𝗥𝗘𝗖𝗘𝗡𝗧 𝗪𝗜𝗡𝗦: • Built comprehensive 𝗖𝗥𝗢𝗦𝗦‑𝗙𝗨𝗡𝗖𝗧𝗜𝗢𝗡𝗔𝗟 𝗧𝗘𝗦𝗧 𝗦𝗨𝗜𝗧𝗘𝗦 supporting both web and mobile flows. • Reduced bug leakage by integrating test orchestration with CI/CD (GitHub Actions, GitLab CI) and automated gating before mainline merges. • Improved API reliability through layered REST and contract testing with Postman/Newman and Pact. • Increased performance insights using k6 + Grafana dashboards for SLA monitoring. 🛠 𝗧𝗘𝗦𝗧𝗜𝗡𝗚 𝗦𝗧𝗔𝗖𝗞 & 𝗧𝗢𝗢𝗟𝗦: Platforms: Web (Desktop/Mobile), Mobile (iOS/Android), Progressive Web Apps Testing Types: Exploratory, Smoke, Functional, Regression, Integration, Compatibility, Accessibility (WCAG) Test Design & Management: Qase · TestRail · Zephyr · Xray · Allure Reporting API Testing: Postman · Swagger · Pact · RestAssured · Newman · Hoppscotch Performance & Load: k6 · JMeter · Artillery · Dynatrace · NewRelic · Grafana Automation: Cypress · Playwright · Testim · Selenium WebDriver · Appium Security & Monitoring: OWASP ZAP · Snyk · Burp Suite · SonarQube Observability: Kibana · Grafana · Datadog · Sentry CI/CD & DevOps: GitHub Actions · GitLab CI · CircleCI · Jenkins · ArgoCD Bug Tracking & Collaboration: Jira · ClickUp · Asana · Trello · Linear Data & Logs: Elasticsearch · Splunk · Logflare Whether you need 𝗘𝗡𝗗‑𝘁𝗼‑𝗘𝗡𝗗 𝗤𝗨𝗔𝗟𝗜𝗧𝗬 𝗔𝗦𝗦𝗨𝗥𝗔𝗡𝗖𝗘, a 𝗖𝗢𝗡𝗧𝗜𝗡𝗨𝗢𝗨𝗦 𝗧𝗘𝗦𝗧𝗜𝗡𝗚 𝗣𝗜𝗣𝗘𝗟𝗜𝗡𝗘, or help 𝗦𝗧𝗥𝗘𝗡𝗚𝗧𝗛𝗘𝗡𝗜𝗡𝗚 𝗬𝗢𝗨𝗥 𝗥𝗘𝗟𝗘𝗔𝗦𝗘𝗦, I bring structure, modern tooling, and a product‑aware mindset to your QA process. 🚀 𝗟𝗲𝘁’𝘀 𝗰𝗼𝗻𝗻𝗲𝗰𝘁 𝗮𝗻𝗱 𝗱𝗶𝘀𝗰𝘂𝘀𝘀 𝗵𝗼𝘄 𝘁𝗼 𝗵𝗶𝗴𝗵𝘁𝗲𝗻 𝘆𝗼𝘂𝗿 𝗿𝗲𝗹𝗲𝗮𝘀𝗲‑𝗿𝗲𝗮𝗱𝗶𝗻𝗲𝘀𝘀 𝗮𝗻𝗱 𝗿𝗲𝗱𝘂𝗰𝗲 𝗿𝗶𝘀𝗸𝘀!

ISTQB-certified manual QA engineer with 8+ years in software testing across web applications, mobile apps, and API products. ✅ 9+ years in manual QA and software testing. ✅ ISTQB Certified Tester since 2024 - the internationally recognized standard for QA professionals. ✅ Load testing with JMeter adds performance coverage beyond standard functional manual QA. ✅ 4,041 hours billed directly on Upwork across 9 contracts. ✅ 99% Job Success Score and Top Rated Plus. ✅ Manual testing and web testing delivered for SaaS platforms, healthcare, fintech, and e-commerce products. Part of Pecode, a Top Rated Plus Upwork agency with 8+ years on the platform, 306,000+ hours billed, 99% Job Success Score, and 150+ IT professionals across QA, frontend, mobile, and design. Pecode is recognized as a Top Software Testing Company in Eastern Europe. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ WHAT I DO ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ Manual testing and web testing across web applications, mobile apps, and APIs. Full QA cycle from test plan to release sign-off: - Manual testing for new features and regression testing on every release - Web testing and web QA across all major browsers and screen sizes using Chrome DevTools and BrowserStack - Mobile app testing on iOS and Android - real devices and BrowserStack - API testing using Postman, Swagger, and proxy tools - Load testing and performance testing using JMeter - End-to-end testing covering full user journeys across web and mobile surfaces - Test case design and test suite management in TestRail - Bug reporting in Jira, Azure DevOps, and Confluence with clear reproduction steps, screenshots, severity labels, and expected vs actual behavior - Database QA and backend verification using SQL and MongoDB - Release sign-off with structured QA reports and test summaries - QA process setup for teams building their testing workflow from scratch Manual QA and web testing verticals I cover: SaaS platforms, healthcare products, fintech applications, e-commerce (including Magento), enterprise software running on Azure DevOps and Dynamics 365, and consumer mobile apps. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ WHO I WORK WITH ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ Best fit for: - SaaS and B2B platforms preparing for releases or needing ongoing manual testing coverage - Healthcare, fintech, and e-commerce products where a bug in production costs real money - Mobile apps (iOS and Android) at any release stage needing a dedicated mobile tester - Enterprise products running on Azure DevOps or Dynamics 365 - Teams that need one accountable manual QA engineer, not a rotating pool of testers ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ HOW I WORK ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ Week 1: I review your product, requirements, and existing test artifacts. I write a test plan covering scope, types of testing, environments, and priority bug areas. For web testing engagements this includes a browser and device coverage matrix. Week 2 onward: structured manual testing in your sprint cadence. Daily bug reports in your tracker. Regression testing after every release. API testing running in parallel with functional manual QA. Weekly QA summary reports for the engineering and product team. I ask before assuming and flag risks early. I overlap with EU and US business hours and respond within 4-8 hours during the working week. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ FREE QA AUDIT - START HERE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ Share your staging URL and a brief on the riskiest area of your product. I will run a focused manual QA pass, log the first bugs I find with full reproduction steps and severity labels, and send back a sample bug report and a test plan outline within 48 hours - no cost, no obligation. It gives you a clear picture of the quality of my manual testing work before any contract starts. Not at the testing stage yet? Share your product brief and I will send back a recommended QA approach and test coverage plan tailored to your stack and release schedule.

Before going independent, I spent 12+ years in QA with world-leading companies including 8 years at PAR Technology (a restaurant ERP company) leading a 25-person QA organization. I'm ISTQB Foundation and ISTQB Advanced Test Manager certified, with 7+ years focused specifically on test automation. What I do best: - Playwright test automation. Migrate flaky, slow or legacy test suites from Selenium or Cypress into fast, maintainable E2E coverage (JS/TS). - AI-accelerated with senior-QA-directed automation. AI drafts test cases and converts manual scripts into automated suites fast. - Build k6 (browser and/or protocol-level) load and stress test suites to surface performance bottlenecks before they hit production. - QA audits. A focused, fixed-scope engagement that finds your highest-risk bugs and gaps fast, with a prioritized action plan. - Manual & exploratory testing, API testing (Postman), and test strategy/process consulting reinforced by AI where it speeds things up, never in place of judgment. Tools: Playwright (JS/TS), Selenium (C#), Postman, BrowserStack, k6, plus AI-assisted test generation and triage. Domain experience: e-commerce, restaurant/hospitality tech, blockchain, real estate, finance & banking, CRM/ERP systems. I work directly with you — no account managers, no junior hand-offs, no bloated team markups. Available during US and UK business hours (overlap until ~2pm ET), fluent English (C1). Let's talk about what's slowing your releases, flaky tests, coverage gaps, an unproven QA process and fix it.

⛔️ 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, 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!

👋 Thank you for visiting my profile! With over 5 years of hands-on experience in QA, I specialize in both manual and automation testing, delivering high-quality, reliable results for a wide range of industries. My expertise spans various domains, including e-commerce, finance, Web3, gaming (casinos), and customer support platforms. Why Choose Me? Proven Track Record: I've successfully worked on a variety of projects, ensuring seamless performance in critical systems, such as e-commerce platforms 🛒, financial applications 💰, Web3 integrations 🌐, casino apps 🎰, and support tools 📞. Results-Driven: I am dedicated to achieving the highest standards, ensuring that every test I perform brings measurable improvements to product performance, user experience, and security. Adaptable & Quick Learner: I can rapidly grasp new technologies and concepts, making me highly effective at managing multiple projects and finding innovative solutions to complex problems. Core Skills: Testing Expertise: Functional, GUI, exploratory, system integration, regression, cross-browser, smoke, usability, and documentation testing. Test Documentation: Skilled at creating and maintaining Test Plans, Checklists, Test Cases, and Test Reports to ensure thorough and consistent testing. Bug Tracking: Experienced with leading bug tracking tools like JIRA, Trello, Redmine, TFS, and YouTrack to manage and resolve issues efficiently. Automation: Proficient in using JavaScript, Selenium WebDriver, Cypress for test automation, and experienced in API testing with Postman and Swagger. Comprehensive Tools Knowledge: Familiar with IntelliJ IDEA, Robot Framework, DataGrip, pgAdmin, JMeter, Docker, Android Studio, FireBug, Charles, Fiddler, VMware, and VirtualBox. Industry Experience: E-commerce 🛒 & Finance 💰: Ensuring seamless user experiences, security, and compliance for online stores and financial applications. Web3 🌐: Testing decentralized apps and smart contracts, ensuring smooth interactions in blockchain environments. Gaming (Casinos 🎰): Focused on testing for high-load, real-time systems and ensuring robust user interactions in gaming applications. Customer Support Platforms 📞: Improving the functionality of helpdesk and ticketing systems to enhance customer experience. Why I Stand Out: I am a detail-oriented, analytical thinker who is known for my problem-solving ability and my proactive approach to finding creative solutions. I work well under pressure, managing multiple tasks effectively while maintaining a high standard of quality. Whether it's functional testing, automation, or helping you build robust systems for complex applications, I’m ready to take on your project and deliver outstanding results. Let’s discuss how I can help you optimize and improve your product!

🚀 Transforming QA from a Bottleneck into a Business Advantage As a detail-oriented QA Engineer, I help B2B SaaS, complex fintech platforms, and fast-moving mobile startups accelerate their delivery cycles without ever sacrificing quality. By taking absolute end-to-end ownership of the testing process, I minimize post-release business risks, prevent revenue-impacting bugs, and ensure your software ships quickly as a stable, production-ready product. I understand that in Agile environments, speed is just as important as stability. My goal is to catch critical issues before they reach your customers, protecting your brand reputation and saving development time. 🔍 Comprehensive Quality Assurance: Manual & Automated With over 5,000 hours of Software Testing experience across 30+ platforms, I operate effectively as both a meticulous manual QA Tester and a highly technical QA Automation specialist. I don’t just check if a feature works on the sunny-day paths; I simulate complex user flows, dig into unintuitive areas, and rigorously validate edge cases to ensure your system doesn't break under real-world pressure. Whether I’m stepping in as an exploratory Tester or a strategic Automation Engineer, my approach guarantees a high-quality bar. I bridge the gap between user expectations and technical execution, providing a safety net for your engineering team. My Core Testing Methodologies: 🧪 Functional & Exploratory Testing: Navigating the app like a real user to uncover non-obvious logical errors and UX friction points. 🔄 Thorough Regression Testing: Ensuring that new code merges never break existing, legacy functionality. Every Test phase I run is structured and methodical. ⚙️ API Validation: Going beyond the UI. I inspect network requests, validate JSON responses, and ensure flawless backend-to-frontend data integrity using tools like Postman and Chrome DevTools. 📱 Mobile Device Testing: Validating responsive design, cross-platform UI consistency, network interruptions, and memory scenarios on actual iOS and Android devices. 🛠️ Technical Stack & Frameworks To provide maximum test coverage and efficiency, I build custom solutions and adapt quickly to your existing CI/CD pipelines. UI & E2E Automation: I write robust custom scripts in Python and JavaScript (using Selenium WebDriver, Pytest) and am highly adaptable to modern testing frameworks like Cypress and Playwright. Performance & Load: Using tools like Locust to stress-test your system, identify memory leaks, and verify infrastructure health under high concurrent loads. API Testing: Advanced Postman collections, REST/GraphQL validation, and deep log inspection. Management & Tracking: Mastery of Jira, Confluence, TestRail, and Hiptest for maintaining comprehensive test documentation. 📊 Proven Track Record & Project Ownership I've led QA teams of 4–8 specialists and managed the full quality lifecycle for highly demanding applications, from MVPs to high-load enterprise platforms: ☁️ SaaS & Enterprise B2B: Acted as the lead QA and Automation Tester, building automated pipelines from the ground up. I verified complex business logic, role-based access controls, and data processing for logistics platforms and real estate CRMs. 📈 Fintech & Trading: Handled full-cycle quality assurance for a high-stakes trading platform. I designed and executed complex test scenarios where accuracy and system reliability were non-negotiable. 📱 Native & Cross-Platform Mobile: Executed deep mobile app testing across iOS (Swift/TestFlight) and Android. I handled everything from API integrations and rapid user interactions to validating core posting flows and location-based features. 🏥 Compliance & Healthcare: Performed detailed API and performance testing in a regulated environment where precision and clear documentation are mandatory. 🤝 Seamless Workflow & Clear Communication I'm a strong believer that QA is a communication role as much as a technical one. I don't just wait for instructions — I act proactively. 📝 Actionable Bug Reports: I log defects directly in Jira with absolute clarity. My reports always include expected vs. actual results, severity ratings (Critical, Major, Minor), environment details, and exact, reproducible steps so your dev team doesn't have to guess or ask follow-up questions. 🗣️ Clear Communication: I collaborate closely with developers, product managers, and designers using clear written English to resolve ambiguities early in the sprint. ⚙️ Continuous Integration: I integrate a continuous feedback loop directly into your agile workflow to ensure stable mobile and web releases. If you're looking for a proactive professional who can hit the ground running, take ownership of your quality standards, and deliver bulletproof results, I'm ready to join your team. Let's connect and build something exceptional together!