QA Engineer

Role Description

UST is a multinational company based in North America, certified as a Top Employer and Great Place to Work company with over 35,000 employees worldwide. We are leaders in digital technology services and provide large-scale technological solutions to big companies. We are looking for a QA Engineer who can ensure end‑to‑end software quality across the full delivery lifecycle.

Work Location

Hybrid. Madrid city center (Sol area). 3 days a week in the office + 2 days remote.

Main Tasks and Accountabilities

• Ensure end‑to‑end software quality across the full delivery lifecycle within Agile teams.
• Design, execute, and maintain test cases covering functional, regression, and end‑to‑end scenarios.
• Perform manual and exploratory testing to validate business and technical requirements.
• Validate system integrations, including REST API testing.
• Identify, document, and track defects, ensuring prop...