Hire the Best Beta Testers
in the United States

QA Tester with moderate programming skills, problem solving skills, some beta testing experience, R&D experience, and a passion for improving design. I am excited to continue to learn and bring my skillset to new contexts.

As a Senior Lead Engineer with 15 years of experience in Automation, Performance QA, and enterprise software quality, I specialize in testing AI-powered, SaaS, web, mobile, and financial platforms for reliability, accuracy, scalability, and user experience. I have built and led high-performing QA teams, designed scalable automation frameworks using Selenium, Playwright, Cypress, and API testing tools, and implemented shift-left QA strategies that reduced defect leakage to under 5%. My expertise now extends into AI product quality, including AI chatbot testing, prompt validation, AI output evaluation, hallucination checks, transcription workflow testing, generated-content validation, API testing, regression testing, and end-to-end validation of AI-enabled user flows. I focus on testing not only whether the software works, but whether the AI behavior is accurate, consistent, explainable, and useful for real users. I bring strong experience in functional, API, integration, performance, and regression testing, along with CI/CD pipeline integration and structured defect reporting. If your AI product needs a QA professional who can combine traditional software testing discipline with AI-focused validation, I can help improve release confidence, reduce risk, and deliver a more reliable user experience. Let’s discuss how I can help elevate the quality of your AI-powered product.

I am a remote worker, experienced in software QA testing (usability and functionality testing with websites, mobile apps, and video games). I am comfortable writing bug reports, as well as providing feedback. Aside from quality assurance testing, I have experience in customer service, light administrative duties, data entry, data mining, information retrieval, research, transcription, annotation, tech support, product testing, and mystery shopping.

✔️ Automation Testing ✔️ Playwright ✔️ AI-Assisted testing ✔️ Functional QA ✔️ Website testing ✔️ Manual QA ✔️ Bug report✔️ Usability testing & App reviews✔️ iOS and Android app testing ✔️ Regression Testing✔️ Selenium WebDriver ✔️ Cypress ✔️ End-to-end testing ✔️ UI & UX testing ✔️ ChatGPT ✔️ Gemini ✔️ Copilot ✔️ Claud Are you looking to launch a flawless web or mobile app, scale your release velocity, or get deep, critical insights into why your users might be dropping off? As a Senior QA Automation & Manual Testing Engineer with over 11 years of experience across US-based enterprise platforms and high-growth startups, I don't just find bug. I protect your product’s reputation and user experience. I bridge the gap between heavy-duty engineering (building scalable automation pipelines) and high-empathy user advocacy (usability reviews, deep exploratory sessions, and UX feedback). 🚀 High-Demand QA Services I Offer: 1. Premium US-Based Web & Mobile App Reviews & Feedback Real-Device USA Reviews: Testing on actual, physical iOS and Android devices to replicate authentic US user environments, carrier networks, and localized workflows. UX & Usability Audits: Deep-dive reviews looking at user friction points, layout inconsistencies, navigation logic, and accessibility (WCAG). You receive a structured video walk-through or a comprehensive report. Exploratory & Ad-Hoc Testing: Going off-script to mimic unpredictable real-world user behavior, finding edge-case crashes before your customers do. 2. Enterprise-Grade Test Automation Frameworks: Web Automation: Architecting lightning-fast, zero-flakiness End-to-End (E2E) automation frameworks from scratch using Playwright (TypeScript/JavaScript), Cypress, and Selenium (Java).Mobile Automation: Native and cross-platform app test frameworks using Appium.CI/CD Integration: Sharding and parallelizing tests inside GitHub Actions or Jenkins so your dev team gets quality feedback in under 5 minutes on every commit. 3. Functional, Manual, & API Testing Comprehensive test plan/test case design in Jira, TestRail, or Azure DevOps. Robust REST API testing and automation utilizing Postman. Regression and Smoke testing cycles to protect critical business logic during fast-paced sprints. 🛠️ Core Technical & QA Stack: Languages: TypeScript, JavaScript, Java, Python, SQLAutomation: Playwright, Selenium WebDriver, Cypress, AppiumMobile Testing: Physical iOS (iPhones) & Android devices, BrowserStack, Firebase Test LabAPI & Backend: Postman, REST Assured Management & CI/CD: Jira, TestRail, GitHub Actions, Jenkins, Docker 💼 What You Get in Every Deliverable: Clear, Reproducible Bug Reports: Ticket-ready bug descriptions with steps to reproduce, clear environmental context, and attached screen recordings/logs. Actionable UX Feedback: Strategic product reviews detailing why a feature feels clunky and how to optimize it for higher conversion rates. Clean, Maintainable Code: Automation repositories built using the Page Object Model (POM), fully commented and ready for your developers to maintain. Whether you need a quick, meticulous usability review before a major app store launch, or a strategic partner to build an automation testing pipeline from scratch let's chat. Click the "Invite" button on the top right, and let’s discuss how we can secure your app's quality.

I have over 20 years of experience in software testing/development. I can help with your QA needs no matter how big or small. I am always excited to learn and test new applications. I can assist with Windows based, web based, iPhone, and Android applications. My clients always come first and are never disappointed with my work. Hire me for your final run before you release your application or for on an ongoing testing effort.

Hi, I’m Mark. I'm a QA Engineer focused on website and application testing. I help businesses ensure their websites and applications work smoothly by identifying bugs, validating user flows, and providing clear, actionable feedback. I have hands-on experience testing real-world systems and understand how to approach testing from both a user and technical perspective. What I can help you with: Website and web application testing Identifying and documenting bugs (clear steps to reproduce, expected vs. actual results) Testing user flows (sign-up, login, checkout, forms, etc.) Basic data validation and backend checks (SQL exposure) Cross-browser and usability testing My background: QA experience testing applications and reviewing logs Experience working with backend systems and troubleshooting issues Professional experience in test automation (Python/pytest), which helps me think systematically and catch edge cases I focus on being detail-oriented, reliable, and easy to work with. My goal is to help you catch issues early and improve the overall quality of your product. If you’re looking for someone to thoroughly test your website or app and provide clear, professional feedback, I’d be happy to help.