Hire the Best QA Manual Testing Freelancers
in the United States

Bugs found before launch save thousands in fixes after. I help startups and product teams ship cleaner software by catching critical issues early — before real users do. What I deliver: → Detailed bug reports with clear reproduction steps → Structured test cases for web & mobile apps → Fast turnaround with clear communication Tools: Jira, Trello, TestRail | Certified in Software Quality Engineering Ready to test your product? Let’s talk

I have hands-on experience in AI data annotation, labeling, and evaluation, supported by a strong scientific research background that emphasizes accuracy, consistency, and protocol adherence. Through freelance and platform-based AI projects, I have worked on image, audio, and content annotation tasks, carefully following detailed guidelines to produce high-quality training data for machine learning models. My background in biological research has strengthened my ability to analyze complex information, maintain precise documentation, and apply standardized evaluation criteria—skills that directly enhance my effectiveness in AI data labeling, quality assurance, and model training workflows.

Are you looking for a dependable professional who can test your applications, provide technical support, and handle administrative tasks efficiently? I am a Mobile & Web App Tester, IT Support Specialist, and Virtual Assistant dedicated to helping businesses improve software quality, resolve technical issues, and streamline daily operations. I specialize in manual testing of mobile applications, websites, and software platforms. I identify bugs, usability issues, and performance problems while providing detailed reports and actionable feedback to improve user experience. In addition to testing, I offer IT support services including troubleshooting hardware and software issues, system setup, user support, software installation, and technical assistance. As a Virtual Assistant, I can manage administrative tasks, data entry, web research, email management, scheduling, and customer support. My goal is to deliver accurate work, clear communication, and reliable support that helps clients save time and achieve better results. Services I Offer: • Mobile App Testing (Android & iOS) • Website Testing • Software Testing • Manual QA Testing • Bug Reporting & Documentation • User Experience Testing • IT Support & Troubleshooting • Technical Support • Virtual Assistance • Administrative Support • Data Entry • Web Research • Email Management • Customer Support I am committed to professionalism, attention to detail, and client satisfaction. Let's work together to ensure your software performs flawlessly and your business runs smoothly. App Tester, QA Tester, Manual Tester, Mobile App Tester, Android Tester, iOS Tester, Website Tester, Software Tester, Quality Assurance, Bug Reporting, Technical Support, IT Support, Help Desk, Virtual Assistant, Administrative Support, Data Entry, Customer Support, Web Research, User Experience Testing, UAT Tester.

Hello 👋 I'm Vinil, a dedicated full-time QA Analyst and Technical Support freelancer with over 5 years of hands-on experience. I'm passionate about staying at the cutting edge of the industry by continually refining my skills and embracing new challenges to deliver exceptional results for my clients. ✅ Skills & Expertise: - Automation Testing - Manual Testing - Website, Mobile, and Desktop Applications Testing - Technical Support ✅ Tools Proficiency: - Playwright (TypeScript/JavaScript) - Jira - Trello - Zapier - Zendesk - HubSpot - Microsoft Office ✅ Certifications: - ISTQB Certified Tester - Udemy – Manual and Automation Testing Bootcamp - Udemy – Playwright Automation Testing with JavaScript I am committed to delivering top-notch results while building strong, collaborative relationships with my clients. If you're looking for a reliable and highly skilled QA specialist or Technical support professional, I'd be delighted to explore how I can contribute to your success 😊.

⭐ Top-Rated Manual QA Engineer | Web & Mobile Testing | API | 6+ Years Experience I help startups find critical bugs before release and improve product quality so users don’t run into issues. With 6+ years of QA experience, I test web and mobile applications end-to-end — from onboarding flows to payments, integrations, and APIs. I focus not only on bugs, but also on UX issues, edge cases, and real user risks. 🔧 What I do • Manual testing (Web, iOS, Android) • Functional, regression & exploratory testing • API testing (Postman, Swagger) • UI validation (Figma) • Clear bug reports with steps, screenshots & videos 📱 Real devices iPhone 16 Pro Max, iPhone 13 Pro, iPhone XR / X Samsung A52, Samsung Tablet, MacBook Pro → Real-device testing to catch issues others miss. 🏆 Results • Found critical issues before production releases • Improved stability for startup products • Tested 50+ mobile builds • End-to-end testing for SaaS platforms 💬 Why clients choose me ✔ Fast and detail-oriented ✔ Clear, developer-friendly reports ✔ Focus on real user experience ✔ Reliable and easy to work with

I'm an experienced QA Tester and developer with a strong background in testing websites, web applications, and mobile apps. While I’m new to Upwork, I’ve helped clients and teams deliver smooth, reliable, and user-friendly software by catching bugs, improving performance, and making sure everything works exactly as it should. I blend a developer’s technical knowledge with a tester’s eye for detail, which helps me quickly spot issues and communicate clearly. What I Can Help With ✅ Website Testing – Check functionality, layout, and responsiveness ✅ Web Application Testing – Test flows, forms, and APIs ✅ Mobile App Testing – iOS & Android real-device testing ✅ Bug Reports – Clear steps with screenshots or video ✅ Test Cases & Checklists – Organized and easy to follow ✅ Basic Automation – Familiar with tools like Selenium and Postman Why Work With Me? 🔹 Real Hands-On Experience – I’ve tested real apps and built them too 🔹 Reliable & Fast – I meet deadlines and communicate clearly 🔹 Detail-Oriented – I don’t just skim—I go deep 🔹 Easy to Work With – Friendly, honest, and always professional I’m here to build great client relationships through excellent work. If you're looking for someone who can test your website, app, or software with care and precision, let’s connect—I’d love to help.