Hire the Best Regression Testers
in Colombia

I am a Manual QA Tester with 3 years of experience testing mobile apps, websites, AI-powered products, conversational interfaces, social media platforms, e-commerce solutions, and financial services. I hold a Certificate in Web & Computer Programming from Brigham Young University (BYU), giving me a solid understanding of web technologies, software development concepts, and how applications are built. My experience includes functional, regression, exploratory, usability, UI, onboarding, and content testing. I validate user flows, review application content for grammar, spelling, consistency, and natural language, and deliver clear, well-documented bug reports with actionable feedback. I test iOS applications through TestFlight and Android applications using APK installations across multiple devices, ensuring consistent behavior across platforms. I also have experience evaluating AI-powered and conversational applications, assessing response quality, context accuracy, conversation flows, and interaction consistency to improve the overall user experience. In addition, I have 10 years of experience reviewing undergraduate Industrial Engineering projects written in Spanish, proofreading grammar, spelling, clarity, and coherence. This background has strengthened my attention to detail and my ability to identify language and content issues quickly. As a native Spanish speaker from Colombia with professional English proficiency, I perform testing, localization review, and content validation in both languages. My goal is to help teams deliver reliable, intuitive, and high-quality software that provides an excellent user experience.

With over 10 years of experience in QA Testing for video games, I’ve worked with studios around the world to elevate game quality and player experience, from indie projects to LiveOps games with millions of players. I've built QA departments from the ground up, led internal and external testing teams, and designed and executed test plans for projects successfully shipped across platforms like PC (Steam/Epic), Mobile (iOS/Android), Web, and VR (Meta Quest 3s). If you're aiming to deliver a high quality gaming experience, and want a QA partner who can quickly identify issues and optimize player satisfaction, I’m here to help, just as I’ve done for multiple titles already on the market. What I Can Do for You: - Manual QA testing: Functional, Usability, Regression, Integration, Compatibility, Performance. - Platform coverage: Mobile (iOS, Android), PC (Steam/Epic), Web, VR - Detailed bug reports with annotated Repro steps, screenshots and screen recordings - Insightful feedback on gameplay, UX, controls, balancing, and game flow - QA Leadership experience: mentoring testers and building QA pipelines from scratch - Full QA Lifecycle: from early Alpha builds to post-launch and LiveOps support Featured projects available in my portfolio section!

Hi! I’m Carlos. Need someone to catch the bugs before your users do? That's what I do. I'm a QA Engineer specializing in manual testing, API validation, and test automation. I write clear test cases, hunt down defects, and document them so your developers can fix them fast, then verify everything works before release. * Top Rated · 100% Job Success · 1,500+ hours on Upwork What I can do for you: • Manual testing — functional, regression, smoke, exploratory, cross-browser • API testing — Postman, REST endpoints, status codes, JSON validation, SQL backend checks • Test case design & test plans — structured, clear, traceable • Bug reports — detailed, reproducible, prioritized (Jira, Trello) • Test automation — Selenium + Python scripting • AI & no-code app testing — I test apps built with AI/no-code tools (Replit, Lovable), plus chatbots and automations (Make, Zapier) Tools: Postman, Jira, Selenium, SQL, Chrome DevTools, Git, Google Workspace I'm fast, organized, and easy to work with async. I communicate clearly in English and Spanish (plus conversational German). If you want a tester who understands how software actually breaks, and how to document it so it gets fixed, let's talk.

I help teams deliver reliable mobile apps and AI-driven features by testing real user flows, catching critical issues early, and reporting them in a clear, actionable way. I’m a Systems Engineer with 20+ years in tech, focused on hands-on testing: finding what breaks and helping you fix it quickly. 🔹 Mobile App QA Testing Manual testing on Android and iOS apps using real devices, focused on real user scenarios such as onboarding, payments, edge cases, and usability. • Exploratory and regression testing • Clear, structured bug reports • UX and flow validation from a real user perspective 🔹 AI Data Validation & Voice Validation of AI outputs and datasets with a strong focus on consistency and accuracy. I also support voice and data tasks (LATAM Spanish), following guidelines precisely to deliver reliable results. • LLM response evaluation • Data accuracy and reliability checks • Voice recording and instruction-based tasks 🔹 Structured Execution & Reliability I’m used to working with detailed guidelines and test cases, ensuring every task is completed accurately and consistently. You can expect: • Clear communication • Well-documented results • Reliable execution without constant supervision Clients I’ve worked with consistently highlight my responsiveness, reliability, and how easy I am to work with, often noting the quality and consistency of my results. If you need accurate testing and clear results without constant supervision, I’m ready to help you improve your product quality.

Manual QA Tester with 6+ years of experience ensuring software quality across web, mobile, and enterprise applications. I specialize in business process validation, test strategy, test case design and execution, defect management, and end-to-end testing for business-critical systems, helping organizations reduce risks, improve user experience, and deliver reliable software releases. Most recently, I supported HR and payroll systems for a major banking organization, validating employee lifecycle processes, payroll calculations, integrations, and business rules across SAP SuccessFactors Employee Central and Payroll modules. I executed functional, regression, and integration testing, documented defects in Jira, and contributed to successful releases with no critical production issues. As part of a country-wide SAP SuccessFactors implementation, I contributed to the successful delivery of multiple project releases with zero open defects at deployment, helping ensure a stable production rollout and a high-quality user experience. Throughout my career, I have worked on projects in banking, education, transportation, and business process automation, ensuring software quality through comprehensive test execution, business rule validation, and user experience analysis. I have identified critical defects before production releases, supported end-to-end testing efforts, and collaborated closely with developers, business analysts, and stakeholders to deliver high-quality solutions. My QA services include: -) Functional testing -) Integration testing -) Database testing -) Requirements Validation -) Business Process Analysis -) End-to-End Process Testing -) User Acceptance Testing (UAT) -) Test Case Creation & Execution -) Test strategy and test exit report document creation -) Bug Reporting & Defect Tracking -) Website & Mobile App Testing -) Business Rule Validation -) UI/UX Consistency Testing Tools & Platforms: -) Jira & Xray -) Postman -) SoapUI -) PostgreSQL -) SAP SuccessFactors -) Web & Mobile Applications -) Agile / Scrum Environments -) Bizagi -) Microsoft Office Suite Available for part-time freelance projects, including ongoing QA support, test execution, regression testing, and release validation.

Hello, I´m Maria Luisa Zambrano, I´m from Colombia, I live in Bogota city, currently I´m a student of Sport management at the University Francisco José of Caldas. Let me help you do data entry tasks of any kind! Whatever your task, I'il be there to help you do it the best I can! From simple entrances to complicated tasks, I will help you do it quickly and efficiently! Don't let your data entry tasks be a burden! Trust me to help you carry them out smoothly! Since 2021, I've worked at Utest Company, where I've gained extensive experience in testing. I've done functional, regression and load testing, among other things, for web, mobile and desktop applications. I've worked with various testing tools, like Selenium, Appium, TestComplete, LoadRunner, SoapUI and JMeter. I have extensive experience in the field of testing and have participated in numerous projects. I have acquired a great deal of knowledge in the use of testing tools and in the development of tests. I also have experience developing automated tests using Selenium WebDriver. I've been working at Utest and Usertesting. I've helped a lot of companies improve their testing processes, and I'm sure I can help yours, too. I would also help your company as a virtual assistance with administrative support tasks. Taking the most of different tools I will keep a wide strategies field for help you