Software QA Tester

Location: This is a fully remote role and is open to those who reside in Argentina, Brazil, Costa Rica, or Mexico. 

About the job

Testlio’s fully managed crowdsourced testing platform, powered by our proprietary intelligence technology - LeoAI EngineTM, integrates expert, on-demand testers directly into your release process. Ship faster and more confidently with global coverage across 600,000+ devices, 800+ payment methods, 150+ countries, and 100+ languages. To learn more, visit testlio.com. You can learn more about our Delivery teams here.

Project Requirements and Summary

• Project Focus: You will be a Manual Software Quality Assurance Tester following Agile methodologies on this project, focusing on functional and regression testing.
• Project duration: This project will start in April 2026  initially run for 6 months with a chance to extend. 
• Location: This is a fully remote role for those who reside in Argentina, Brazil, Costa Rica, or Mexico. 
• Schedule: full-time, 40 hours a week, Monday through Friday. The expected schedule is 8 am - 5 pm CDT, with some flexibility to start later in the day.
• Must-have devices: Mac or Windows PC and Android and/or iOS mobile devices (tablet a plus, but not mandatory) 
• Language: You will work 100% in English; strong written and verbal English skills are required.
• AI/LLM Tools & Support: This project will require strong manual testing skills without the use/aid of AI/LLM tools due to prohibition of use.

What would your day look like: 

• Manual A/B Testing to audit variances between two or more websites/pages, and identifying and reporting any divergences between the two
• Executing smoke, scripted, and exploratory test cases on mobile, web, and desktop platforms.
• Conducting functional, localization, regression, or payment testing to ensure software applications meet quality standards.
• Reproducing issues found during testing.
• Documenting and reporting test results, including bugs and potential risks. Clearly communicating findings to the development team and stakeholders.
• Configuring and preparing test environments per the provided instructions.
• Working closely with cross-functional teams to ensure that software products are delivered on time and meet customer expectations.
• Designing and optimizing appropriate test data.
• Providing clear feedback about outdated, incomplete, or inefficient test cases.
• Staying updated with industry trends and advancements in software testing methodologies and tools.

What do you need to succeed:

Technical Skills:

• Proven experience (2+ years) as a Manual Software Tester or similar role, with a strong understanding of software testing principles, methodologies, and tools (such as Jira, TestRail, Xray, or similar).
• Experience with mobile and web applications frontend testing; backend testing is a bonus.
• Proficiency in identifying and documenting software bugs and issues.
• Ability to solve basic technical tasks required during testing - such as test data generation, log capturing, and basic analysis, working with browser developer tools, network logs analyzers, etc.
• Experience in working in agile teams in a remote environment - proven track record of communication and collaboration with different stakeholders such as Scrum Masters, Product Owners, and others.
• Good understanding of SDLC.
• Experience with these primary testing categories: functional and regression testing.
• Familiarity with API testing tools such as Charles, Insomnia, and Postman is a strong plus.
• A certificate of completion of BBST Foundations, Bug Advocacy, Test Design, and Domain testing courses or similar is not required, but it is nice to have.
• Minor scripting or programming experience is no