At Definity, a leading technology company focused on AI-driven solutions and digital transformation, we are continuously expanding our team to support innovative, high-impact projects. We are looking for a Sr Software QA Engineer with experience in both manual and automation testing, who is passionate about quality, detail-oriented, and comfortable working with a leading automotive company headquartered in Fremont, California.

Important Considerations:

Interest in relocating and living in the United States
On-site position in Fremont, California
Must have Mexican nationality
Valid Mexican passport required
Bachelor’s degree and professional license (cédula cualificado)

What You Bring

3+ years of experience as a SDET, QA Engineer (Manual & Automation) or similar
Experience with one or more of the following: Python, Go, Typescript
Experience with web, mobile and API's validation
Strong understanding of test automation frameworks in one of Playwright, Selenium, Cypress, Appium, Zephyr or similar
Proficiency in writing and executing SQL database queries for test validation




Knowledge of log analysis using tools like Splunk for troubleshooting and monitoring
Experience with API testing using Postman, or similar tools
Degree in Computer Science or equivalent experience
Advanced English (required) – ability to communicate effectively in meetings and with international teams

What You'll Do

Design, develop and execute advanced test suites
Implement and execute test strategies on all supported platforms and languages to help improve overall quality and test code coverage
Responsible for functional testing and automated testing
Write backend integration tests and tests for RESTful APIs
Develop frameworks and automated test cases using Selenium and Python
Design and develop integration, regression, and stress tests using industry standard tools
Use and integrate AI tools to improve your work
Collaborate with Engineers and Program Managers to understand requirements and tra

📌 Senior Software QA Engineer – Relocation Opportunity (Ciudad de México)
🏢 Definity
📍 Ciudad de México