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🏆 Top Rated Plus Freelancer | 100% Job Success | 200+ Projects Completed | 9,700+ Hours Worked | $200K+ Earned I am a Senior QA Engineer specializing in SaaS, FinTech, and AI-powered applications, helping startups and enterprises deliver stable, secure, and high-performance software products through structured manual and automation testing. I work as a QA Engineering specialist for SaaS startups, FinTech platforms, and AI product teams, ensuring applications are reliable, scalable, and ready for production at enterprise quality standards. My focus is on improving product quality, reducing production defects, and building efficient QA processes that support fast and safe software releases. 🟦 QA Engineering & Software Testing Services I provide end-to-end Software QA and Quality Assurance services, including: QA strategy, test planning, and test case design Manual Testing (functional, regression, exploratory) Cross-browser and cross-device testing Bug reporting, tracking, and test documentation Performance testing (Apache JMeter) API Testing (Postman, REST API validation) Security Audits (OWASP ZAP) Automation Testing (Cypress, Playwright, Appium, Espresso) CI/CD pipeline integration for automated testing End-to-end software quality assurance 🟦 SaaS Application Testing I specialize in testing complex SaaS platforms and web applications, including: Multi-tenant SaaS systems Subscription and billing workflows User roles and permission systems Dashboard and analytics platforms Third-party API integrations I help SaaS companies improve reliability, user experience, and release confidence while reducing production issues. 🟦 FinTech Application Testing I test financial and payment-based systems with a strong focus on accuracy, security, and reliability: Payment gateway testing Transaction and wallet systems Banking and financial dashboards Data integrity and validation testing End-to-end financial workflow testing I ensure every financial operation is secure, accurate, and production-ready. 🟦 AI SaaS & LLM Application Testing I also specialize in AI-powered SaaS and LLM-based applications, including: AI chatbots and conversational systems LLM-based workflows and applications Prompt-response validation and testing AI output accuracy and consistency checks Behavioral testing of AI systems under real-world usage I ensure AI systems behave reliably, safely, and predictably in production environments. 🟦 Tools & Technologies Automation: Selenium, Cypress, Playwright, Appium, Espresso API & Performance Testing: Postman, JMeter, REST APIs CI/CD: Jenkins, GitHub Actions Security Audits: OWASP ZAP Bug Tracking: Slack, Linear, Jira, Trello, Asana Test Management: TestRail, Confluence, Excel frameworks 🟦 Why Work With Me Strong expertise in SaaS, FinTech, and AI QA systems Skilled in both manual and automation testing Ability to build scalable QA frameworks from scratch Focus on real product stability and business outcomes Experience working with fast-paced startup environments If you are looking for a Senior QA Engineer for SaaS, FinTech, or AI applications, I can help you build a reliable QA process that improves product quality and reduces production risk.

Hi, This is Taief Imam, an experienced Software Development Engineer in Test(SDET).Working as a SQA expert with 6+ years with Top Rated badge since last 3 years. Have prominent experience in Software Testing and Automation Testing .Knock me up for any kind of projects. ✅ 𝐓𝐞𝐬𝐭𝐢𝐧𝐠 : 𝐒𝐦𝐨𝐤𝐞 𝐭𝐞𝐬𝐭𝐢𝐧𝐠 ,𝐑𝐞𝐠𝐫𝐞𝐬𝐬𝐢𝐨𝐧 𝐭𝐞𝐬𝐭𝐢𝐧𝐠 , 𝐈𝐧𝐭𝐞𝐠𝐫𝐚𝐭𝐢𝐨𝐧 𝐭𝐞𝐬𝐭𝐢𝐧𝐠 , 𝐁𝐞𝐭𝐚/𝐔𝐬𝐚𝐛𝐢𝐥𝐢𝐭𝐲 𝐭𝐞𝐬𝐭𝐢𝐧𝐠 , 𝐔𝐬𝐞𝐫 𝐀𝐜𝐜𝐞𝐩𝐭𝐚𝐧𝐜𝐞 𝐭𝐞𝐬𝐭𝐢𝐧𝐠 ,𝐖𝐡𝐢𝐭𝐞 𝐁𝐨𝐱 𝐭𝐞𝐬𝐭𝐢𝐧𝐠 , 𝐋𝐨𝐚𝐝 𝐚𝐧𝐝 𝐏𝐞𝐫𝐟𝐨𝐫𝐦𝐚𝐧𝐜𝐞 𝐭𝐞𝐬𝐭𝐢𝐧𝐠 , 𝐀𝐏𝐈 𝐭𝐞𝐬𝐭𝐢𝐧𝐠 , 𝐔𝐈 & 𝐂𝐨𝐦𝐩𝐚𝐭𝐢𝐛𝐢𝐥𝐢𝐭𝐲 𝐭𝐞𝐬𝐭𝐢𝐧𝐠 , 𝐑𝐞𝐭𝐞𝐬𝐭𝐢𝐧𝐠 , 𝐍𝐞𝐠𝐚𝐭𝐢𝐯𝐞 𝐭𝐞𝐬𝐭𝐢𝐧𝐠 . ✅ 𝐀𝐮𝐭𝐨𝐦𝐚𝐭𝐢𝐨𝐧 𝐓𝐞𝐬𝐭𝐢𝐧𝐠 : 𝐒𝐦𝐨𝐤𝐞 𝐭𝐞𝐬𝐭𝐢𝐧𝐠 𝐚𝐮𝐭𝐨𝐦𝐚𝐭𝐢𝐨𝐧 , 𝐅𝐮𝐧𝐜𝐭𝐢𝐨𝐧𝐚𝐥 𝐭𝐞𝐬𝐭 𝐜𝐚𝐬𝐞 𝐚𝐮𝐭𝐨𝐦𝐚𝐭𝐢𝐨𝐧 𝐛𝐨𝐭𝐡 𝐩𝐨𝐬𝐢𝐭𝐢𝐯𝐞 𝐚𝐧𝐝 𝐧𝐞𝐠𝐚𝐭𝐢𝐯𝐞 𝐜𝐚𝐬𝐞𝐬 𝐮𝐬𝐢𝐧𝐠 𝐑𝐨𝐛𝐨𝐭 𝐟𝐫𝐚𝐦𝐞𝐰𝐨𝐫𝐤(𝐑𝐈𝐃𝐄) , 𝐌𝐨𝐛𝐢𝐥𝐞 𝐓𝐞𝐬𝐭 𝐀𝐮𝐭𝐨𝐦𝐚𝐭𝐢𝐨𝐧 ( 𝐀𝐩𝐩𝐢𝐮𝐦 ) 𝐀𝐮𝐭𝐨𝐦𝐚𝐭𝐢𝐨𝐧 𝐓𝐨𝐨𝐥𝐬 : 𝐂𝐲𝐩𝐫𝐞𝐬𝐬 𝐅𝐫𝐨𝐧𝐭-𝐞𝐧𝐝 𝐔𝐈 𝐀𝐮𝐭𝐨𝐦𝐚𝐭𝐢𝐨𝐧 𝐅𝐫𝐚𝐦𝐞𝐰𝐨𝐫𝐤 , , 𝐑𝐨𝐛𝐨𝐭 𝐈𝐃𝐄, 𝐒𝐞𝐥𝐞𝐧𝐢𝐮𝐦 𝐈𝐃𝐄 𝐚𝐧𝐝 𝐖𝐞𝐛𝐃𝐫𝐢𝐯𝐞𝐫 , 𝐉𝐌𝐞𝐭𝐞𝐫 , 𝐀𝐩𝐩𝐢𝐮𝐦 . I will write test cases will covering all main functionalities of your web application and will execute them. I will following BR(Business requirements),Use case, Functional Requirements Specification(FRS),Softwire specific Requirements(SRS). Test case will be provided in proper professional format and summary will be provided in that format with bar chart. If you want to work with me , i can give you a sample format of test case . For Automation , i will covering all manual test cases in Robot Framework IDE , Using RIDE Scripts , easily you can find a pdf report format , which cases PASS/Fail. For more info , feel free to knock me with details and highlight your main area or feature. So , can easily highly focus on that . ✅ Software QA Testing ✔️ Manual + Automation ✔️ Smoke testing ✔️ Regression testing ✔️ Integration testing ✔️ On Time Delivery ✔️ Quick Support ✔️ Post delivery support Devices Testing on the latest versions of: 📱 𝗔𝗻𝗱𝗿𝗼𝗶𝗱 : 𝗢𝗻𝗲 𝗣𝗹𝘂𝘀 𝟴𝗧 ( 𝗔𝗻𝗱𝗿𝗼𝗶𝗱 𝟭𝟮 ) , 𝗫𝗶𝗼𝗺𝗶 𝗣𝗢𝗖𝗢𝗣𝗵𝗼𝗻𝗲 𝗙𝟭 (𝗔𝗻𝗱𝗿𝗼𝗶𝗱 𝟭𝟭 ) , 𝗥𝗲𝗮𝗹 𝗠𝗲 𝟳 𝗣𝗿𝗼 ( 𝗔𝗻𝗱𝗿𝗼𝗶𝗱 𝟭𝟮 ) , 𝗠𝗶 𝟭𝟭𝗫 ( 𝗔𝗻𝗱𝗿𝗼𝗶𝗱 𝟭𝟮 ) 𝗦𝗮𝗺𝘀𝘂𝗻𝗴 𝗦𝟰 (𝗔𝗻𝗱𝗿𝗼𝗶𝗱 𝟵 ) , 𝗚𝗮𝗹𝗮𝘅𝘆 𝗔𝟮 𝗖𝗼𝗿𝗲 ( 𝗔𝗻𝗱𝗿𝗼𝗶𝗱 𝟭𝟬 ) , 𝗚𝗮𝗹𝗮𝘅𝘆 𝗔𝟴-𝟬𝟬𝟭( 𝗔𝗻𝗱𝗿𝗼𝗶𝗱 𝟳 ) , 𝗡𝗼𝗸𝗶𝗮 𝟮.𝟭 ( 𝗔𝗻𝗱𝗿𝗼𝗶𝗱 𝟭𝟬 ), 𝗩𝗜𝗩𝗢 𝗬𝟱𝟬 (𝗔𝗻𝗱𝗿𝗼𝗶𝗱 𝟭𝟭) 📱 𝗦𝗮𝗺𝘀𝘂𝗻𝗴 𝗚𝗮𝗹𝗮𝘅𝘆 𝗧𝗮𝗯 𝗣𝗿𝗼 (𝟮𝟬𝟭𝟰) 📱 𝗶𝗢𝗦: 𝗶𝗣𝗵𝗼𝗻𝗲: 𝟲, 𝟲+, 𝟳 +,𝟴 +,𝗶𝗣𝗵𝗼𝗻𝗲 𝗫; 𝗶𝗢𝗦:𝟵.𝟯.𝟱 / 𝟭𝟬.𝟯.𝟱/𝟭𝟮.𝟭.𝟰 ,𝗶𝗢𝗦: 𝟭𝟭.𝟬 (𝗢𝗿𝗶𝗴𝗶𝗻𝗮𝗹) , 𝗶𝗢𝗦 𝟭𝟱.𝟲( 𝗖𝘂𝗿𝗿𝗲𝗻𝘁 ) 📱 𝗗𝗲𝘀𝗸𝘁𝗼𝗽 𝗪𝗶𝗻𝗱𝗼𝘄𝘀 𝟳 ,𝟴, 𝟭𝟬 𝗣𝗖:𝗜𝗘, 𝗘𝗱𝗴𝗲, 𝗖𝗵𝗿𝗼𝗺𝗲, 𝗙𝗶𝗿𝗲𝗳𝗼𝘅, 𝗢𝗽𝗲𝗿𝗮 📱 𝗠𝗔𝗖 𝗢𝗦( 𝗠𝟭) , 𝗕𝗿𝗼𝘄𝘀𝗲𝗿: 𝗦𝗮𝗳𝗮𝗿𝗶 🌐Expert in Testing with Cross-browsers: Web and Mobile platforms. 𝐒𝐚𝐟𝐚𝐫𝐢, 𝐂𝐡𝐫𝐨𝐦𝐞, 𝐌𝐨𝐳𝐢𝐥𝐥𝐚 𝐅𝐢𝐫𝐞𝐟𝐨𝐱, 𝐌𝐢𝐜𝐫𝐨𝐬𝐨𝐟𝐭 𝐄𝐝𝐠𝐞/𝐈𝐧𝐭𝐞𝐫𝐧𝐞𝐭 𝐄𝐱𝐩𝐥𝐨𝐫𝐞𝐫 💻 𝐌𝐚𝐜𝐁𝐨𝐨𝐤 𝐌𝟏 𝐀𝐢𝐫 | 𝐒𝐜𝐫𝐞𝐞𝐧 𝐒𝐢𝐳𝐞 𝟐𝟓𝟔𝟎 * 𝟏𝟔𝟎𝟎 💻 𝐃𝐞𝐥𝐥 𝐌𝐨𝐧𝐢𝐭𝐨𝐫 | 𝐒𝐜𝐫𝐞𝐞𝐧 𝐒𝐢𝐳𝐞 𝟏𝟗𝟐𝟎 * 𝟏𝟐𝟎𝟎 💻 𝐇𝐏 𝐏𝐚𝐯𝐢𝐥𝐢𝐨𝐧 , 𝐖𝐢𝐧𝐝𝐨𝐰𝐬 𝟏𝟏| 𝐒𝐜𝐫𝐞𝐞𝐧 𝐒𝐢𝐳𝐞 𝟏𝟓.𝟔 𝐈𝐧𝐜𝐡 ️⛳️ I live in GMT +6 time zone & I'm available to work at any time zone making it easy for my clients to communicate with me. ️⛳️ I assure you of 24/7 connectivity and support whenever you need me. I will explain improvements for your platform. ️⛳️ 𝕴 𝖆𝖒 𝖍𝖊𝖗𝖊 𝖙𝖔 𝖚𝖘𝖊 𝖒𝖞 𝖊𝖝𝖕𝖊𝖗𝖎𝖊𝖓𝖈𝖊 𝖆𝖓𝖉 𝖒𝖆𝖐𝖊 𝖑𝖔𝖓𝖌-𝖙𝖊𝖗𝖒 𝖗𝖊𝖑𝖆𝖙𝖎𝖔𝖓𝖘𝖍𝖎𝖕𝖘. Again Thanks for your time!

Hello, Are you looking for a seasoned QA Engineer and Manual Tester with over 5 years of hands-on experience ensuring the delivery of high-quality, bug-free software products? Then I am here to assist you. I am specialized in manual testing for web, mobile, and desktop applications, with a sharp eye for detail, strong analytical skills, and a passion for uncovering hidden issues before your users do. ✅ What I Offer: → Comprehensive manual testing (Functional, Regression, UI/UX, Usability, Cross-browser, and Compatibility) → Test case creation and execution based on business and technical requirements → Bug reporting with clear steps to reproduce (using tools like Jira, Trello, Bugzilla, etc.) → Test documentation: Test plans, test cases, test reports → Agile/Scrum environment experience → API testing using Postman → Strong understanding of SDLC/STLC and defect lifecycle 🧰 Tools & Technologies: → Test Management: Jira, TestRail, Zephyr → Bug Tracking: Jira, Mantis, Trello → Collaboration: Slack, Asana, Confluence → Browsers: Chrome, Firefox, Safari, Edge → Platforms: Windows, macOS, Android, iOS 🎯 Why Choose Me? → Detail-oriented, methodical, and committed to high-quality outcomes → Strong communication and timely delivery → Client-focused mindset with a dedication to understanding product goals Let’s make your website/application reliable, stable, and user-friendly! Feel free to invite me to discuss your QA/testing needs. Best regards, Md Tasnimul Hasan

Hi, I’m Mir Mehedi Kawsar — the person who finds problems before your users do. I approach QA like a detective, following every lead until I uncover the hidden issues that could cost you customers. Whether it is a glitch that breaks the checkout flow, a design inconsistency that hurts your brand, or a performance hiccup on mobile, I track it down and help you fix it fast. Here’s how I add value to your project: 🔍 Full-Scope QA Testing – Web, mobile, SaaS, AI platforms, blockchain, and e-commerce. From functional to UI/UX to edge-case testing — nothing slips by. 📱 Cross-Device & Cross-Browser Checks – I ensure your product works perfectly on different devices, screen sizes, and operating systems. 🛠 Detailed & Actionable Reporting – Clear steps, severity levels, and screenshots/videos so your dev team knows exactly where to start. 💡 User Experience Insights – I do not just report bugs — I highlight usability issues and suggest improvements that boost satisfaction and conversions. 💳 Payment Flow Validation – Verifying that transactions run smoothly across multiple gateways and methods. I’m relentless about quality, proactive in communication, and committed to making your product shine before it reaches your users. Let’s make sure your launch is flawless. 🚀

I help SaaS, web, and mobile product teams find critical bugs, usability issues, and release risks before their users do. Through structured manual, exploratory, and regression testing, I help businesses launch reliable products with fewer production issues and a better user experience. ✅ My QA Testing Services • Web application and SaaS testing • iOS and Android mobile app testing • Functional, exploratory, regression, smoke, sanity, and end-to-end testing • UI/UX, usability, responsive, and cross-browser testing • API testing using Postman • Basic database validation using SQL • Test plans, test scenarios, test cases, and QA checklists • Detailed bug reports with screenshots and videos • Bug retesting and regression validation • Release-readiness and QA audit reports 📋 What You Will Receive • Clear and reproducible bug reports • Steps to reproduce each issue • Expected and actual results • Severity and priority classification • Environment and device information • Screenshots, screen recordings, and supporting evidence • UX improvement suggestions • Edge-case and negative-testing findings • Final QA summary and release recommendations 📱 Mobile App Testing I test mobile applications on real iOS and Android devices, covering: • Installation and update flows • Signup, login, onboarding, and account management • Push notifications and permissions • Portrait and landscape layouts • Dark mode and text scaling • Offline mode and poor-network conditions • App background and foreground behavior • Device compatibility and responsive layouts • Crash, freeze, loading, and performance issues 🔗 API Testing Using Postman, I can validate: • GET, POST, PUT, PATCH, and DELETE requests • Response status codes • Request and response data • Authentication and authorization • Error messages and negative scenarios • Required and optional fields • Invalid, missing, and duplicate data • Basic response time and API behavior 🌐 Domain Experience I have tested products across: SaaS, fintech, e-commerce, AI, healthtech, edtech, Web3, DeFi, dashboards, subscription platforms, mobile apps, and customer-facing web applications. 🛠️ Tools and Platforms Jira, Linear, Trello, Asana, ClickUp, Notion, TestRail, Zephyr, Xray, Postman, BrowserStack, TestFlight, Google Sheets, Loom, and GitHub. 📲 Real Device Coverage I have access to multiple real devices, including: iPhone 17 Pro Max, iPhone 16 series, iPhone 15, iPhone 14, iPhone 13, iPhone 11 Pro Max, iPhone XR, iPhone XS, iPad Air 4, iPad Air 5, Samsung Galaxy S25 Ultra, Samsung Galaxy S24 Ultra, Samsung Galaxy S21 Plus, Samsung Galaxy A52s, Samsung Galaxy A72, Google Pixel 7a, Redmi, Realme, OnePlus, and other Android devices. Windows and macOS devices are also available. BrowserStack can be used for wider browser, operating system, and device coverage. 🚀 Share your website, SaaS platform, mobile application, API, staging build, or testing requirements, and I will help you identify critical defects, UX friction, and high-risk edge cases before launch.

✅ Specialized in Mobile/Web Application Testing, Cross-Browser Testing, API/REST Testing, SQA Automated Testing, Test Plan & Test Case Documentation, Usability Testing, Product Requirements Validation, and more. My services include: ✅️ Manual Testing (Web & Mobile Applications) ✅️ Functional Testing ✅️ UI/UX Testing ✅️ Game Testing ✅️ Cross-Browser & Cross-Device Testing ✅️ API Testing (REST APIs) ✅️ Bug Reporting and Tracking (Jira, Trello etc) ✅️ Test Case Creation and Execution ✅️ Automation Testing (Playwright, Cypress, Selenium) ✅️ Load and Stress Testing (Jmeter) ✅️ Accessibility & Usability Testing ✅️ Performance Validation ✅️ QA Documentation and Test Planning With 8+ years of QA experience, I focus on delivering high-quality products through thorough testing and clear, actionable bug reports.