Software Development Engineer in Test

- Responsible for defining and implementing QA/QC processes for PartnersIO (an affiliates marketing platform for iGaming), including requirement review checklists and bug report templates that significantly reduced feedback cycles. - Led UX/UI exploratory testing efforts, identifying usability issues in the backoffice and affiliate flows. - Evaluated frontend frameworks including Moon UI library (Elixir-based, used internally) and React for future development, delivering feedback to the Moon team and technical recommendations for the PartnersIO team. - Encouraged developer advocacy for quality by creating testing good practices documentation and guidelines. - Built automated UI end-to-end test suite from scratch using TypeScript + Playwright, covering critical user flows across the whole product (backoffice and affiliate sides), reducing regression testing time, catching critical bugs before production, and increasing developer confidence. -Developed REST API endpoints using Elixir + Phoenix LiveView by adapting existing gRPC services, enabling Playwright tests to validate backend integrations without mock data. - Monitored and debugged PartnersIO services using Datadog and Elasticsearch logs, reducing time to identify and resolve production issues. - Leveraged AI tools (GitHub Copilot, Claude, Grok and Windsurf) to accelerate test automation development and conduct code reviews. - Supported internal teams across the company by creating solutions for their performance testing tasks using k6 (for APIs), Lighthouse and playwright-performance (for UI).

During my free time, after business hours, I performed the following activities.- - Remote, MX. Lecturer for the ISTQB Certified Software Tester Foundation Level certification to 40+ students across multiple cohorts at QA Minds, with more than 90% pass rate. - Zapopan, Jal. MX. Mentored 5 career starters through the Reto Zapopan bootcamp, guiding them through their final project, and helping them transition into diverse software engineer roles. - Provided career coaching to recent university graduates and to those seeking to switch careers. - Delivered technical talks on software testing and career development at 10+ industry events, reaching audiences across testing, development, and other tech communities. - Built and open-sourced UI end-to-end automation framework templates using Cypress and Playwright (TypeScript), Selenium (C# & Java), Docker and GitHub Actions, enabling testers to quickly bootstrap projects with modern tooling.

- Performed exploratory testing on Intermountain Healthcare’s Android & iOS applications using BrowserStack, identifying critical bugs and UX issues that led to proposals for improving the mobile onboarding experience. - Maintained in-house UI and REST API automation frameworks in C# (.NET) with Azure CI/CD pipelines for Wolters Kluwer, ensuring reliable test execution. - Conducted code reviews for JavaScript + Jest and C# (.NET) testing automation frameworks (API & UI) across both clients, catching defects early and ensuring testing good practices were followed.

- Performed exploratory testing of Web and mobile applications (Android & iOS) across multiple clients in energy, trading, and education sectors, focusing on REST API functionality, UI behavior, and UX validation. - Proposed and implemented Scrum framework for the Texas History project, streamlining development workflow. - Automated REST API testing using Postman + Newman for local validation, enabling faster feedback during development cycles.

- Contributed to multiple open-source projects (SWAN, LedEmotion, Tubular-React) by developing unit tests in C# (.NET) + NUnit, TypeScript + Mocha + Chai.js + Enzyme, and frontend features using TypeScript + React. - Authored "Unit Testing for C# (The C# Unosquare Labs Best Practices)" guide that became part of Unosquare Labs team internal engineering standards. Available here: https://github.com/unosquare/best-practices/tree/master/C%23#unit-testing

- Developed "Nectri Indicadores", a Web and hybrid mobile application using C# (.NET), JavaScript, and PhoneGap for cross-platform deployment.

- Built an after-sales customer management system for Autillantas (Bustrain) in C# (.NET), JavaScript, and created end-to-end tests using Selenium IDE.

- Created a new Website for the school.

Research Assistant – Jool Stateful NAT64 v3.1.5 (Linux). NIC Mexico & Monterrey Institute of Technology and Higher Education. Scientific research stays sponsored by the Mexican Academy of Sciences. Conducted exploratory testing on an open-source NAT64 implementation, ensuring reliable IPv4/IPv6 translation for production environments. Key contributions: - Validated software functionality across multiple protocols (ICMP, UDP, TCP) and configuration scenarios using bash-based test automation. - Documented critical installation and configuration procedures for SuSE Linux Enterprise Desktop 11 SP3, creating resources used by the project team. - Identified and reported software defects, working directly with technical lead to improve stability.

Teaching Assistant imparting the subjects of Verbal Ability and Mathematics as part of the course for the ENLACE exam.