Carlos G.Private profile: Upwork shows its earnings only to signed-in members, so we check it every few weeks, not daily. MRR here is a rough estimate (Upwork's six-month earnings ÷ months active). Last read Nov 5, 2026.

I provide insights focused on A.I. localization and UI/UX of digital products and services following techniques, methodologies, and research based on the manual testing field, search engine evaluation schemes, and sociocultural phenomena. Extensive experience with social media, VoD platforms, and e-commerce WEB pages. Testing Tool: Katalon Studio, Selenium IDE, Playwright, Python, X-ray and Zephyr Platform for management of Test Cycles: Jira, Katalon TestOps, Trello, and ClickUp. o Able to understand in depth the requirements of an application to test and stand in the shoes of the end user to identify common errors to perform. o Experience in software development on traditional and agile frameworks under the Manual QA Tester, and QA Analyst role (Testing Life Cycle). Lately, SCRUM. o Creation of a test plan for manual testing. o Design and develop manual test cases. o Creating Postman collections from API definitions to develop and execute Postman tests. o Development and execution of regression testing on desktop, mobile, and web applications. o Using SQL for storing, manipulating, and retrieving data from databases for later data analysis and testing purposes. o Analysis of systems under development to implement and execute test plans using tools to support the manual QA and Testing as Playwright, Python, and Selenium IDE. o Document the test results in X-ray (Jira Plugin) and Zephyr and follow the defect lifecycle. o Preparation of documentation to sign off projects in test environments for steps to production. Some of certified experience and knowledge • SQL for Data Science • API Testing a real web application via Postman • Start Your API Testing Journey With Postman Tool • How to create a Jira SCRUM project • Software Testing Foundations: Test Techniques