Hire the Best QA Manual Testing Freelancers
in Portugal

✅ Software Quality Assurance (SQA) Tester | Test Case Design | Bug Reporting | Web & Mobile QA | Automation and Manual Testing Are you looking for a detail-oriented QA tester who can find bugs before your users do? I help businesses ensure their software works flawlessly across platforms by delivering accurate, structured, and efficient manual testing. With 3 years of experience in manual software testing, I specialize in creating test plans, executing test cases, and reporting bugs with clarity and precision. I’ve tested web and mobile applications, internal tools, and ERP systems, focusing on functional testing, regression testing, usability, and UI/UX consistency. 🔧 Core Skills & Tools: Automation & Manual Testing (Web, Mobile, Desktop) Test Case Writing & Execution Bug Reporting & Tracking (Jira, Trello) Functional, Regression, UI, Smoke Testing User Acceptance Testing (UAT) Test Documentation & Reporting Familiar with Agile/Scrum Tools: Jira, TestRail, Postman (for basic API validation), Excel, Playwright, Appium I’m also pursuing a master’s in management information systems at ISEG – University of Lisbon, which strengthens my understanding of business processes, systems architecture, and the importance of aligning QA with business goals. ✅ Why Work With Me? Fast response time & strong communication Organized test documentation Focus on delivering bug-free, user-ready software Ability to collaborate with developers, PMs, and product teams Whether you need ongoing QA support, test documentation, or a final pre-launch testing sweep, I’m here to help you ship confidently. 📨 Let’s discuss how I can help make your product stronger and more reliable — send me a message anytime!

I am a detail-oriented Manual QA Engineer with over one year of hands-on experience in software testing and quality assurance. I specialize in identifying bugs, ensuring functionality, and improving overall user experience by delivering reliable and high-quality products. I have experience in performing functional, regression, usability, and exploratory testing across web and mobile applications. I am comfortable creating and executing test cases, reporting defects clearly, and collaborating with developers and teams to ensure issues are resolved efficiently. My approach is thorough and user-focused—I don’t just test features, I think from the end-user’s perspective to catch real-world issues before they reach production. **What I can help you with:** * Manual testing (Web & Mobile) * Test case design and execution * Bug tracking and detailed reporting * Regression and smoke testing * UI/UX validation * Cross-browser testing I am committed to delivering accurate results, meeting deadlines, and continuously improving my skills. If you’re looking for a reliable QA tester who can help improve your product quality, I’m ready to contribute to your project. Let’s work together to make your application flawless!

I am a Software Quality Assurance professional with over two years of experience, proficient in both manual and automated testing. I have moderate knowledge of front-end and back-end development. My experience includes functional, API, and vulnerability testing. Ensuring high-quality standards is my main goal, achieved through excellent deliveries and guaranteeing a highly reliable software system.

Hello, I am Tasbinur Hasan Sabbir. As a detail-oriented QA Tester with 4 years of experience, I specialize in both manual and automated testing for web and mobile applications. I have a proven track record of identifying bugs, performance issues, and usability challenges across web, mobile, and desktop applications. What I Offer: → Manual Testing: Comprehensive testing of features, functionality, and user experience across different browsers and devices. → Automated Testing: Expertise in test automation using tools like Selenium, Appium, and JUnit, ensuring repeatable and efficient test processes. → Test Case Design & Execution: Development and execution of detailed test plans, test scripts, and test cases to cover all functional and edge-case scenarios. → Bug Tracking & Reporting: Meticulous identification and documentation of issues, using bug-tracking tools such as JIRA, Trello, and BugZilla, with clear and concise reporting. → Regression Testing: Ensuring software stability after updates or changes by performing thorough regression tests. → Cross-Platform Testing: Testing across multiple operating systems (Windows, macOS, Linux) and browsers (Chrome, Firefox, Safari, Edge). → API Testing: Proficient in API testing using tools like Postman to verify data integrity and communication between systems. Tools & Technologies: • Selenium, Appium, JUnit • JIRA, Bugzilla, Trello • Postman, REST Assured • SQL for database verification • Agile/Scrum methodology Available Devices: → MacBook Air 7.2 → MSI GF63 (Gaming) → Windows 10 Home (Genuine) → iPhone 15 Pro Max (IOS v17.6) → iPhone 14 ProMax (IOS v17.6) → iPhone 13 (IOS v16.6) → Samsung Galaxy S20 (Android) → Poco M3 (MIUI Global 12.0.11) With a strong focus on communication and collaboration, I work closely with development teams to ensure a smooth testing process and high-quality product delivery. My attention to detail, analytical skills, and commitment to quality assurance make me the ideal partner to help you launch flawless applications. Let’s work together to ensure your product is reliable, user-friendly, and ready for market! Thank you!

I help startups and growing companies release stable, user-friendly software by identifying critical bugs, edge cases, and usability flaws before they impact real users. With strong experience in manual and exploratory testing, I analyze applications not only from a technical perspective, but also from a real user standpoint — ensuring smooth workflows and intuitive experiences. 🔎 What I can help you with: Web & Mobile App Testing SaaS Platform Testing Manual & Exploratory Testing UX & Usability Review Functional & Regression Testing Structured bug reports (steps to reproduce, expected vs actual result) Screen recordings and audio feedback I provide clear, detailed reports using professional documentation standards, including screenshots and video recordings when needed. I adapt quickly to new systems, tools, and industries — allowing me to contribute effectively from day one. If you’re looking for someone detail-oriented, analytical, and reliable to improve your product quality, I’m ready to help. Available for short-term projects, ongoing testing, or pre-release validation.