Role Description

We are looking for the very Top Talent… and we would be delighted if you were to join our team

More in detail, UST is a multinational company based in North America, certified as a Top Employer and Great Place to Work, with over 35,000 employees worldwide and presence in more than 35 countries. We are leaders in digital technology services, delivering large-scale technological solutions to top-tier companies.

What we look for?

We are looking for a Senior AI Test Automation Engineer to join the ML & AI ART, owning the end-to-end test automation strategy for an advanced AI/MLOps platform. This platform powers business-critical AI capabilities such as LLM-based assistants, RAG systems, agentic workflows, and ML pipelines.

Main Tasks And Accountabilities Will Be

Define and evolve the test automation architecture aligned with the Bank’s Test Strategy
Design scalable, reusable automation frameworks and patterns across teams
Analyse requirements and ensure testability during Agile ceremonies (PI Planning, Backlog Refinement, etc.)




Design and automate test cases (functional & non-functional) based on risk and coverage
Implement automation using Python frameworks (Playwright, pytest, Behave/BDD)
Develop AI/ML-specific testing approaches (LLM evaluation, non-deterministic behaviour, RAG workflows)
Build and maintain API contract tests and microservices validation
Integrate and run automated tests in CI/CD pipelines (GitLab)
Use Docker/Kubernetes for reproducible test environments
Manage test execution across environments (DEV, INT, UAT, pre-PROD)
Monitor test health, handle flaky tests, and ensure reliable reporting
Report defects in Jira with proper traceability and evidence
Produce audit-ready test artefacts and ensure compliance with governance standards
Collaborate with cross-functional teams (POs, Engineers, MLOps, Data Engineers)
Act as Test Automation Ambassador within the ART
Ensure end-to-end traceability across requirements, tests, and results

📌 Senior AI Test Automation Engineer (Madrid)
🏢 Ust
📍 Madrid