Hire the Best Performance Testing Specialists

✍🏻 Are you in search of a highly skilled Software QA Engineer with expertise in Performance testing, Performance engineering, Automation testing, Load testing, and Security testing? Look no further! With over 15+ years of experience in the QA industry, I have a proven track record of delivering exceptional software quality solutions to clients. My specialization lies in Performance testing, where I ensure that applications perform optimally, handle high loads, and deliver seamless user experiences. ⭐QA Services ⭐ ✅ Performance Testing ✅ Automation Testing ✅ Security/Penetration Testing ✅ Functional Testing/Regression/Acceptance Testing ✅ Usability Testing ✅ Mobile App Testing (IOS / Android) ✅ Strong knowledge of HTML, CSS and SQL, Python, and Java programming ✅ User Acceptance Testing ✅ API Testing ✅ Experience in SOAP API / REST API/ GraphQL 🛠️ Tools Expertise : ✅ ️Performance testing: JMeter, LoadRunner, Neoload, Gatling, Blaze Meter and K6 ✅ ️Web Automation : Selenium WebDriver, WebDriver.IO, ✅ Defect Tracking Tool: JIRA, Bugzilla, Test Rail ✅ ️Mobile testing: Appium ✅ Monitoring Tools: Dynatrace, AppDynamics, DxApm, Introscope, and Net Diagnostics ✅ Cloud Server Monitoring: AWS Could watch, Open Shift Container, GCP ✅ Data visualization: Splunk, Kibana ✅ Load Generator : Redline13, Balzemeter, LR ✅ ️API testing: Postman, Swagger, Insomnia, Fiddler ✅ ️Cross-browser testing: Browser Stack, Sauce Labs ✅ ️Version Control: Git, Github, GitLab, Bitbucket, Perforce ✅ ️Databases: MongoDB, SQL, MYSQL, Oracle ✅ ️CI/CD: Jenkins, Azure DevOps, Bamboo ✅ ️Build Management: Ant, Maven, Gradle ✅ ️Frameworks: Cucumber, TestNG, JUnit, Mocha, Jasmine ✅ ️Programming knowledge: Java, HTML, JavaScript, Python ➰ Performance Testing Framework ➰ ✅ ️JMeter + Perfmon+ Jenkins ✅ ️JMeter + Jenkins + Grafana ✅ ️JMeter + InfluxDB ✅ ️JMeter + RedLine13/BlazeMeter ⭐ Domain Knowledge ⭐ 📌 E-commerce and retail 📌 Healthcare and medical devices 📌 Finance and banking 📌 Gaming and entertainment 📌 Education and e-learning

100% Job Success | Top Rated Plus | ISTQB Certified | 100+ Projects Delivered QA Expert with 7+ years specializing in AI Test Automation, Penetration Testing (VAPT), Performance Testing, Web/Mobile/API Automation, and DevOps/CI-CD integration. I help teams release stable, secure, and scalable software faster. I combine Manual QA, robust Test Automation, API Testing, Performance & Load Testing, and Security/Penetration Testing to reduce defects, accelerate releases, and strengthen production applications. Manual QA Testing: Comprehensive manual testing for Web, Mobile, SaaS, FinTech, HealthTech, E-Commerce, Aviation, and Enterprise applications. - Functional, Regression, Smoke, Sanity & Exploratory Testing - Usability, Cross-Browser & Mobile App Testing - Test Case Design, Test Plans & UAT Support - Detailed Bug Reporting with Steps to Reproduce QA Automation Testing: I build reliable, maintainable automation frameworks using modern tools and best practices (BDD, POM, Data-Driven, Parallel Execution). Tools: Playwright, Selenium, Cypress, Appium, Espresso, XCUITest, Postman, REST Assured Key Achievements: - Built automation frameworks for VistaJet, CreditBook, Bykea, Bluefin and others - Reduced regression testing cycles from days to hours - Achieved 85%+ test coverage and 45-90% defect reduction API & Backend Testing: Full validation of REST APIs functionality, authentication, business logic, edge cases, and integration testing. DevOps & CI/CD Integration: Seamless test integration into pipelines using Jenkins, GitHub Actions, GitLab CI. I improve deployment confidence and release quality. - Performance & Load Testing - JMeter, BlazeMeter, LoadRunner, Locust identifying bottlenecks before they impact users. - Penetration & Security Testing - VAPT, OWASP, Burp Suite, ZAP, Nessus, and more for robust application security. Why Hire Me? Instead of hiring multiple specialists, you get one experienced QA + DevOps professional who covers the full testing and release lifecycle from manual testing to automation, performance, and security. Send me your project details, tech stack, and current QA challenges.

🟨 Tested 20+ web & mobile products before release 🟨 Helping teams catch bugs early and avoid costly fixes later 🟨 Reduce production bugs by 50% I’m one of those QA tester specialists who doesn’t just “run tests” I look at the product like a real user and break it before your users do. What I do as a QA tester Manual QA tester / Software QA testing ✔️ Full-cycle software testing: regression, smoke, acceptance ✔️ Web testing, app testing (iOS / Android), cross-browser testing, quality assurance software ✔️ QA tester focused on real user flows, not just checklists ✔️ Clear bug reports in Jira QA automation / Automation tester ✔️ QA automation using Cypress and Playwright ✔️ Automation tester building stable end-to-end tests ✔️ QA automation engineer improving or rebuilding test coverage ✔️ Integration with CI (GitHub Actions, pipelines) ✔️ API testing with Postman and other tools I’m a QA engeneer (manual tester and automation tester) who works with products where bugs cost real money, SaaS platforms, marketplaces, business tools. My Tech Stack: ✔️ Cypress, Playwright, automation selenium Selenium, WebdriverIO ✔️ JavaScript, TypeScript, Python, Java ✔️ Postman, SoapUI ✔️ Jira, TestRail, X-Ray ✔️ BrowserStack, Sauce Labs ✔️ MySQL, PostgreSQL ✔️ OpenAI API, LangChain, HuggingFace I am a senior qa engineer, (automation engineer, qa automation engineer include manual testing) who focuses on modern, production-ready stacks and don’t take projects who need wordpress developer, react developer, front-end developer, full stack developers, project managers, python developer, react native developer, software developer, java developer, software product manager, Swift, python django, Angular, WordPress, Laravel, brazil, PHP, Vue, or Webflow, jest, design, gps, flutter, link building, copywriter, website traffic because my main focus is always on QA testing and product quality. Have a product that needs a QA tester or QA automation engineer? Click "Invite", send a short description, and I’ll show you where your product can break - before your users do

I am a Senior Software QA Engineer with 8+ years of experience in Software Testing, Quality Assurance, Automation Testing, Team Management, and Project Coordination. I have worked with startups, SaaS companies, and enterprise teams to deliver high-quality web, mobile, cloud, and AI-based applications. I specialize in building efficient QA processes, leading testing teams, improving release quality, and ensuring smooth product delivery in Agile environments. My experience includes complete Software Testing Life Cycle (STLC), defect management, test strategy planning, automation support, and client coordination. I also have hands-on experience in AI application testing, including validation of AI-generated responses, prompt testing, workflow testing, data accuracy validation, usability testing, model behavior analysis, and user experience testing for AI-powered applications and chatbots. Core Expertise: • Manual Testing • Automation Testing • Functional Testing • Regression Testing • Smoke & Sanity Testing • Integration & System Testing • API Testing • AI Application Testing • Performance Testing • Cross-browser & Cross-platform Testing • Localization Testing • Mobile Application Testing • User Acceptance Testing (UAT) • Business Workflow Validation • Bug Tracking & Root Cause Analysis • Agile/Scrum QA Methodologies Automation & AI Technologies: • Selenium WebDriver • Cypress • Playwright • Postman API Testing • REST API Testing • JMeter & BlazeMeter • AI Chatbot Testing • Prompt Validation Testing • AI Workflow & Response Validation • Basic CI/CD QA Support • Git/GitHub Management & Collaboration Tools: • Jira • Azure DevOps • ClickUp • Trello • Asana • Redmine Database & Technical Skills: • SQL • Oracle Database • Test Case Documentation • Bug Reporting & Test Planning Why Clients Hire Me: • Strong analytical and problem-solving skills • Clear communication and timely updates • High attention to detail • Ability to manage QA teams and project deadlines • Fast identification of critical issues before production • Focus on delivering stable, scalable, and high-quality applications I am passionate about software quality and continuously learning modern QA and AI technologies to help businesses deliver reliable and user-friendly digital products.

As a Software QA Tester, I help SaaS web and mobile app teams prevent buggy releases and last-minute firefighting. In the past 4+ years, I've tested FinTech, E‑commerce, and AI-driven platforms – catching critical issues before they reach users. What you get working with me: ✅ Manual & automation testing (Cypress, Selenium, Playwright) – so regression cycles don't slow you down ✅ API validation (Postman, Swagger) – backend reliability, not just UI ✅ Performance checks (JMeter, Lighthouse) – no hidden bottlenecks or crashes ✅ Clear, reproducible bug reports with screenshots & video (Jira, ClickUp, Trello) – devs actually thank me Real devices I test on: 📱 Android & iOS (native/hybrid) | 💻 Windows, macOS | 🌐 Chrome, Safari, Firefox, Edge I work in EST hours but flex to client needs. I take full ownership from requirement review to final sign-off. If you want a QA who communicates clearly, meets deadlines, and treats your product like it's their own – message me your brief + expected timeline. I'll reply within a few hours. 𝗞𝗲𝘆𝘄𝗼𝗿𝗱𝘀: QA Tester, Software QA, Manual Testing, Automation Testing, Cypress, Appium, Selenium, API Testing, Postman, Mobile App Testing, iOS Testing, Android Testing, Web Testing, Regression Testing, Functional Testing, Bug Reporting, Test Cases, SaaS QA, Agile QA, JIRA, ClickUp, Performance Testing, JMeter, Cross Browser Testing, UAT Testing, Black Box Testing, Quality Assurance Engineer, Software Testing, CI CD QA, Exploratory Testing, Load Testing, PlayWright, Robot Framework, Jenkins, GitHub Actions, TestCafe, AI Tester, AI Testing

40+ Hours Available Per Week As a Top Rated Plus full-time freelancer on Upwork with over 8+ years of expertise in Software Quality Assurance, I specialize in ensuring your applications are bug-free and deliver exceptional user experiences, backed by over 225+ 5-star ratings ⭐ from satisfied clients! 🚀 With 27,000+ hours work on Upwork, I have successfully tested 310+ Android and iOS mobile applications and over 120+ web apps, helping clients achieve seamless product launches and exceptional performance. My experience includes collaborating with renowned organizations like UNICEF and leading brands like Samsung, ensuring their software meets the highest quality standards. I test applications across all types of network conditions, including 3G, 4G, and 5G, as well as high-speed connections (1Gbps) and low-speed scenarios down to kilobits per second (kbps), ensuring optimal performance and usability under real-world conditions. Key Achievements: 🏆 Top Rated Plus freelancer with 8+ years of professional QA experience ⭐ 225+ 5-star reviews from satisfied clients 📌 300+ Upwork projects successfully completed 🤖 10+ AI Voice & Chat Assistant platforms tested (Retell, Bland, Vapi, Wishpond AI, Senior Care AI, etc.) 🚀 Tested and launched 70+ startup products successfully to the store ⏰ Worked over 26,900+ hours on Upwork. 📱 Android: Samsung Galaxy S24 Ultra, Samsung Galaxy S21 Plus, Poco X4, RealMe GT Master Edition, OnePlus 9, OnePlus 8T, Samsung A18 📱 iOS: iPhone 16 Pro Max, iPhone 14 Pro Max, iPhone 14 Plus,iPhone 15 Plus, iPhone 13 Pro Max, iPhone 11, iPhone XR 💻 Desktop: MacBook Air, HP Pavilion X360, RealMe Book, Lenovo ThinkPad, Samsung Galaxy Book 4 & 5 Manual QA Skills: • AI Model Performance Testing • AI Agent Functional & Usability Testing • Conversational AI & Chatbot Testing • Requirement Analysis • Test Case Design & Execution • Defect Reporting & Management • SEO Testing • Functional Testing • End-to-End Testing • Integration Testing • Exploratory Testing • PWA Testing (Progressive Web App Validation) • Reverse Testing – Test with Invalid/Unexpected inputs to ensure robust error handling & stability • Regression Testing • Cross-Browser Testing • Mobile App Testing (iOS & Android) • Usability Testing • UI/UX Testing • Payment Gateway Testing • System Testing & Acceptance Testing • API Testing (Postman, Swagger) • Performance Testing (Basic manual approach using tools) 🤖 AI Testing Expertise • AI Model Performance & Response Accuracy Validation • Conversational Flow, NLP Intent & Entity Testing • Voice Agent Quality Testing (ASR, TTS, Latency, Filler Word Detection) • Knowledge-Base and Prompt Flow QA • Context Retention & Session Continuity Testing • Multi-Agent Coordination and Voice Call Testing • Real-World AI App Testing (Retell, Bland, Vapi, ElevenLabs, Play.ht, Wishpond AI, Senior Care AI) Tools & Platforms: • Bug Tracking & Management: JIRA, Trello, Asana, Linear, ScribeHow • Collaboration & Reporting: Google Sheets, Notion, Slack • Testing Platforms: BrowserStack, physical devices • Performance & Analytics Tools: GTmetrix, SimilarWeb • Documentation: Test Plans, Test Cases, Checklists, FRS, User Manuals Domains Expertise: • eCommerce (Shopify, WooCommerce) • SaaS Applications • Healthcare • Mobile Applications • Insurance • Banking & Financial Services • Gaming • Point of Sale (POS) • ERP Systems • OpenAI Integration With a strong commitment to delivering error-free, high-performing software, I aim to exceed quality expectations and provide products that users love. I am available for flexible timings across any time zone and dedicated to helping you bring your software to the highest standards of performance and user satisfaction. Why Choose Me? ✔️ Proven expertise in Manual QA testing ✔️ Comprehensive experience across web and mobile platforms ✔️ Skilled in test documentation, ensuring a structured and repeatable testing process ✔️ Ability to identify critical defects and edge cases ✔️ Adaptable to both Agile and Waterfall methodologies ✔️ Flexible work hours to meet your project needs ✔️ Expert in crawling websites to ensure flawless functionality and SEO perfection -------------------------------------------------------------------------------------------------------- Related Keywords: Manual Testing, API Testing, Web Testing, Mobile App Testing, Regression Testing, Cross-Browser Testing, Test Case Design, Jira, UI/UX Testing, End-to-End Testing, Functional Testing, Bug Reports, Quality Assurance, Payment Gateway Testing, iOS Testing, Android Testing, Test Plan, Usability Testing, User Testing, Software Testing, Manual QA, AI Testing, Chatbot Testing, Voice AI Testing, NLP Testing, Mobile App QA, Conversational AI, AI Model Evaluation, Reverse Testing, PWA Testing, Progressive Web App Validation, AI Apps Testing, Progressive Web Application, OpenAI, AI Apps, ChatGPT, Sora, Gemini, Generative AI, Chatbot