Hire the Best Software QA Testers
in the Netherlands

Launching a SaaS platform, mobile app, AI product, or website? I help startups, founders, and product teams uncover bugs, usability issues, confusing workflows, and hidden friction before they impact real users. Unlike traditional QA testers who focus only on finding bugs, I combine quality assurance, usability testing, and product thinking to help improve both product quality and user experience. Over the past several years, I have tested SaaS platforms, mobile applications, fintech products, healthcare systems, HR platforms, AI-powered tools, and marketplace solutions. My goal is not simply to report issues. My goal is to help you launch a product that users trust, understand, and enjoy using. ━━━━━━━━━━━━━━ WHAT I CAN HELP WITH ✓ Manual QA Testing • Functional Testing • Regression Testing • Exploratory Testing • End-to-End User Flow Validation • Smoke Testing ✓ Mobile App Testing • iOS Testing • Android Testing • App Store & Play Store User Experience Review • Cross-Device Validation • Responsive Design Testing ✓ Website & SaaS Testing • Account Registration Flows • Checkout & Payment Processes • Dashboard Testing • Admin Panel Validation • Permission & Role Testing ✓ UX & Usability Audits • User Journey Analysis • Friction Point Identification • Navigation Review • Conversion Funnel Review • UI Consistency Validation • Accessibility Feedback ✓ Product Audits • First-Time User Experience Review • Onboarding Evaluation • Feature Discoverability Analysis • Product Improvement Recommendations • Competitor Benchmarking ✓ API Testing • Postman Testing • Endpoint Validation • Response Verification • Error Handling Review ━━━━━━━━━━━━━━ DELIVERABLES Every project can include: • Detailed Bug Reports • Screenshots & Screen Recordings • Reproduction Steps • Expected vs Actual Results • Severity & Priority Classification • UX Improvement Suggestions • Product Recommendations • Final QA Summary Report ━━━━━━━━━━━━━━ TOOLS Postman Jira ClickUp Trello Notion Figma Chrome DevTools Browser Developer Tools ━━━━━━━━━━━━━━ RECENT PROJECT TYPES • SaaS Platforms • AI Applications • Healthcare Systems • HR Platforms • Fintech Products • Vendor Marketplaces • Mobile Applications • Startup MVPs ━━━━━━━━━━━━━━ WHY CLIENTS WORK WITH ME ✓ Detail-Oriented Testing ✓ Clear Communication ✓ Actionable Feedback ✓ Product-Oriented Thinking ✓ Fast Turnaround ✓ Reliable Reporting Based in the Netherlands and available for both one-time audits and ongoing QA support. Let's find the issues before your users do.

I am a dedicated Software and Website Quality Assurance (QA) professional with 4 years of experience in manual, functional, and automation testing. I specialize in API testing, web testing, mobile QA (iOS), and integration testing, with a proven track record of reducing critical bugs by 40% for healthcare applications. I thrive in Agile environments and have a keen eye for detail, ensuring software and websites meet the highest quality standards. My approach combines thorough testing, clear communication, and collaborative problem-solving to deliver reliable and high-performing products. Clients consistently praise my efficiency, reliability, and attention to detail, reflected in my 5-star ratings on Upwork. I am committed to helping teams launch software and websites that are robust, user-friendly, and bug-free. Core Skills: Website & Software QA Manual & Functional Testing API & Automation Testing Mobile QA (iOS) Integration & Regression Testing Agile Software Development & Project Management Detail-Oriented, Reliable, Collaborative, Clear Communicator

I’m a QA Engineer with 6+ years of experience testing web and mobile applications in banking, insurance, and gaming. I help teams deliver stable, bug-free products by finding issues early and improving overall quality. • Manual testing, regression testing, and test case design • API testing using tools like Postman • Bug tracking and reporting with Jira • Experience with fintech, healthcare, gaming industry, and complex systems I focus on clear communication, detailed bug reports, and reliable results. Let’s work together to make your product better.

I help teams ship faster and with fewer bugs by building scalable automated tests and detailed QA reports for web, mobile, and desktop apps. Using Playwright, Cypress, and strong API testing, I create regression and E2E test suites that improve product quality, reduce risk, and support long-term growth. I’m a Test Automation Engineer who helps teams ship high-quality products by building strong, scalable, and reliable testing systems. I test web, mobile, and desktop applications manually and through automation, and I focus on catching the issues that slow development down—before they ever reach your users. I work with Playwright, Cypress, API testing tools, regression suites, E2E flows, functional testing, and unit tests. My approach is simple: understand how your product works, break it in every smart way possible, and then build tests that make sure those issues never return. I pay close attention to details that many teams overlook—edge cases, broken UI states, slow API responses, data handling errors, and unexpected user paths. These are usually where the biggest bugs hide. Finding these problems early can save weeks of development time and prevent costly production issues later on. A strong test suite doesn’t just check functionality; it supports your entire development cycle. That’s why I build reusable and scalable automation frameworks that your team can extend even years from now. Whether you continue working with me or bring in another engineer later, the framework will stay clean, organized, and easy to maintain. Clear reporting is another part of my workflow. I deliver structured test reports, detailed bug logs, and evidence-backed findings that help your developers understand exactly what went wrong and how to reproduce it. This improves communication, reduces back-and-forth confusion, and speeds up fixes dramatically. --- ### **How My Work Helps Your Product Grow** * Faster releases through automated regression and E2E coverage * Fewer production issues because bugs are caught early, not after launch * Stronger developer confidence thanks to repeatable, reliable test suites * Clear test reports and bug logs that reduce guesswork and resolve issues quicker * Scalable frameworks your team can reuse as your product grows * Better stability for new features, which supports long-term product expansion * Higher user satisfaction due to fewer broken flows or hidden issues ### **What You Can Expect When Working With Me** * Maintainable automation frameworks built with Playwright or Cypress * Deep exploration testing that uncovers edge cases and hidden failures * Clean, structured bug reports with steps, logs, screenshots, and evidence * API, UI, and functional test coverage designed around real user behavior * A detail-focused approach that strengthens product quality from the ground up If you need someone who can think like both a tester and a developer, spot issues early, build automation that lasts, and communicate clearly through detailed reports, I’m here to help you create a stronger, safer, and more scalable product.

With over five years of experience in telephone customer service across sales, technical support, and customer care, I bring a comprehensive skill set that includes proficiency in major customer service software, conflict resolution, and maintaining a positive attitude in all situations. I am highly adaptable, with a proven ability to work under pressure and deliver results. My goal is to leverage these skills to effectively contribute as a manager in your organization.

Hello! I'm Antonia, a bilingual (Greek–English) QA and Data Specialist working at the intersection of video game and software QA, Greek NLP data annotation, and EN–GR localization. I help AI systems and digital experiences become more accurate, intuitive, and culturally grounded, whether by crafting natural-sounding prompts for Greek voice assistants, testing indie game builds, or annotating legal documents for NLP training. ✅ Game & Software QA • Manual, exploratory, regression, and localization testing • Reproducible bug reports with video captures, reproduction steps, and severity levels • Platforms: PC, mobile, VR, smart TV, consoles, and browser • Tools: Jira, Trello, CSV – detailed reporting with UX feedback • Contributed to indie, early access, alpha and beta phases. ✅ Greek NLP & Data Annotation • Tag legal texts, financial contracts, and multilingual corpora (Greek/English) • Use Label Studio and client-specific tools • Structural, semantic, legal, and temporal annotation • Assist in refining guidelines and workflows for clarity and consistency ✅ Localization & Language QA • EN–GR localization for UIs, prompts, game dialogue, and structured content • Translation QA with cultural accuracy and glossary maintenance • Experience in AI prompt review, NLP fine-tuning, and internal tool feedback ✅ Prompt Engineering & Conversational AI • Craft and test Greek/English prompts for voice assistants and AI tools • Evaluate tone, intent, clarity, and user experience • Experience with telecom, finance, and hospitality AI demos • Direct contribution to production-ready Greek-language conversational agents 🛠️ Tools & Platforms: Label Studio · Jira · Trello · Slack · Google Workspace · Excel · Canva 🎮 Hardware: RTX 4080 · Samsung S23 Ultra · PS5 · PSVR2 · Meta Quest · Switch · Asus ROG Ally 🌍 Languages: Greek (native), English (C2), Dutch (A2) 🧠 Agile, async, and quick to adapt to evolving taxonomies and tools Whether you're launching a new AI voice assistant, testing a game build, or training a model on Greek language... I'm here to help you deliver better, smarter, high-quality results. Let's collaborate!