Hire the Best Load Testing Engineers
in the United States

✔️ 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’m a Manual QA Tester with over 4 years of experience working on Web, Mobile, and API projects across SaaS, AI, and Fintech platforms. I focus on practical, hands-on testing, covering regression, UX feedback, bug reporting, and performance testing with JMeter. My goal is to help teams release software that’s reliable, user-friendly. I have tested CRM systems, E-commerce platforms, financial applications, and AI-powered tools, collaborating closely with developers, product managers, and designers. I enjoy working with teams to catch issues early, improve release quality, and enhance the overall user experience. 𝐊𝐞𝐲 𝐒𝐤𝐢𝐥𝐥𝐬 & 𝐒𝐞𝐫𝐯𝐢𝐜𝐞𝐬: • Manual testing for Web, Mobile, and cross-platform applications • Regression, exploratory, and edge-case testing • API testing and verification • Performance testing and load validation using JMeter • Cross-browser and cross-device testing on Chrome, Safari, Firefox, iOS, and Android • Clear and actionable bug reports with steps, screenshots, and videos • UX feedback to improve usability and reduce friction 𝐓𝐨𝐨𝐥𝐬 𝐚𝐧𝐝 𝐓𝐞𝐜𝐡𝐧𝐨𝐥𝐨𝐠𝐢𝐞𝐬 𝐈 𝐔𝐬𝐞: • Test Management & Bug Tracking: Jira, ClickUp, Trello, TestRail, Qase • API & Performance Testing: Postman, Swagger, JMeter • Cross-browser & Device Testing: BrowserStack, Chrome DevTools, Android Studio, Figma • Automation & Frameworks: Java, Selenium, Selenide, Allure, BDD • Data & Documentation: Excel, Google Sheets • Communication & Collaboration: Slack, Microsoft Teams, Zoom , Google Meet • Screen Recording & Testing Support: ScreenRec, Requestly , Jam • Version Control: Git, GitHub My goal is to deliver clear, actionable testing results that improve reliability, usability, and product quality, helping teams launch with confidence. 📩 If you are looking for a QA professional who can improve product quality, uncover issues early, and provide practical UX and performance insights, I’m ready to support your project.

Hi, I’m Jamie Robinson — a UX consultant with a background in software engineering and a master’s degree in Human-Computer Interaction and UX. I help SaaS companies improve usability, reduce friction, and create clearer user experiences through UX audits and interface redesigns. My approach combines technical understanding with user-centered design principles, allowing me to identify usability issues that impact onboarding, navigation, and overall product experience. I’m especially interested in simplifying complex workflows and helping products feel more intuitive for real users. Whether it’s improving a signup flow, refining a dashboard, or identifying conversion blockers, my goal is to create experiences that are both functional and easy to use.

Experienced QA Engineer | Manual & Automation Testing | Selenium, Playwright | API & Web/Mobile QA Specialist I’m a professional Quality Assurance Engineer with proven experience in both manual and automated testing across web, mobile, and API domains. I help startups and established tech teams deliver high-quality, bug-free software that users love. I have my own testing devices. With hands-on expertise in writing comprehensive test plans, designing and writing test cases/scripts, and building robust automation frameworks, I ensure every release meets the highest standards of performance and reliability. What I Do Best Manual QA Testing (Functional, Regression, Smoke, UAT) Automation Testing using Selenium, Cypress, Playwright API Testing & Automation (Postman, REST APIs) Cross-Browser & Cross-Device Testing Test Case Design, Execution & Bug Reporting CI/CD Integration of Test Suites (GitHub Actions, Jenkins) Test Documentation & Detailed QA Reports Tools & Technologies I Work With Automation: Selenium WebDriver, Playwright Languages: Java, JavaScript API Testing: Postman, REST APIs Test Management: Jira, TestRail Version Control: Git & GitHub Platforms: Web, Android, iOS (mobile device testing) Why Clients Choose Me Strong analytical skills and meticulous attention to detail Client-first approach — clear communication, fast responses Thorough defect reporting with reproducible steps Ability to quickly join ongoing projects and deliver immediate value Flexible engagement — hourly or milestone-based Proven track record of successful deliverables Let’s work together to make your applications more stable, scalable, and ready for production! Message me now to discuss your project goals and timelines. Knowledge of Software testing methodologies. • Designing test plans, writing test cases/scripts • Functional, Integration, Regression, User acceptance, Performance, Load testing. • Automate Web application using Selenium with Java • TestNG framework

I’m a licensed professional engineer with over 7 years experience in the Mechanical, Electrical, and Plumbing engineering consulting industry. I have experience in project management coordinating and managing MEP Engineering progression of projects dealing directly with architects and contractors. My design experience includes new construction and tenant improvements with wide a variety of project types. Conduct peer reviews for other engineering firms on large scale projects. Skilled in heat load calculations, energy calculations, equipment selection, piping design, ductwork design, smoke bomb layouts, psychometrics, code compliance, specifying, inspecting, submittal reviewing, and coordinating between MEP disciplines. Energy management expert, designing, developing, and testing optimal systems for maximum energy savings with minimal equipment conflicts. Conduct & coordinate site visits, meetings with architects and clients on site or remotely, on site field coordinating with contractors.

• 15+ years of experience in automated and manual testing of web, mobile, desktop, SaaS, and AI applications. • Expertise in building test automation frameworks from scratch, incl. Cypress, Playwright, and Selenium. • Expert in developing test plans, creating test cases, investigating software defects, creating bug reports. ⭐ 1st US QA expert on UpWork to earn Expert-Vetted (Top 1%) badge*. 100% Job Success score. • Strong background in implementing QA methodologies and creating detailed test documentation. • Experienced with functional, usability, UAT, regression, cross-platform, API, security, and load testing. • Skilled in test management, issue/bug tracking tools, visual testing tools, and test environments. • Experienced in using AI tools to enhance the speed and coverage of manual and automated testing. • In-depth knowledge of SDLC, STLC, Agile/Scrum, Waterfall, UI/UX and accessibility best practices. • Proficient in programming and scripting languages, and databases. • Hands-on experience with version control, CI/CD, and cloud environments. • Prior experience as a Web Developer and ERP Engineer. CORE TECHNICAL SKILLS Test automation: Cypress, Playwright, Selenium WebDriver, Postman, Appium, JMeter, Testim, JUnit, TestNG, Mocha, Chai.js. Test management: TestRail, QMetry, Azure Test Plans, qTest, Tuskr, Testiny, Testmo, Xray, Zephyr. Issue and bug tracking: Jira, Azure DevOps, ClickUp, Trello, GitLab, Bugzilla, Linear, BugHerd, Asana. Languages: JavaScript, TypeScript, Java, Python, HTML, XML, CSS, SQL, XPath. AI tools: GitHub Copilot, OpenAI Codex, Playwright MCP, Cypress Prompt, Testim, Tabnine. Databases: MSSQL, Oracle, MySQL, PostgreSQL. Other: React, Vue, Next.js, Node.js, Angular, AWS, Azure, Docker, Jenkins, GitHub, CircleCI, Git, WordPress, Figma, BrowserStack, Mailosaur, Linux, Windows, macOS, iOS, Android. * Expert-Vetted badge is visible only to Upwork's Enterprise and Business Plus plan clients; others see my Top Rated Plus badge.