Senior AI Test Automation Engineer - Hybrid Madrid

UST; Madrid; Híbrido; EUR 60.000 - 90.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Health Care Plan

Teleworking compensation

Life and Accident Insurances

Retribución Flexible Program

Training platforms access

Career stability and career plans

Referral bonuses

Flexible payments (12 or 14) per year

Work-life balance policies

UST Club platform discounts

Descripción de la vacante

UST is seeking a Senior AI Test Automation Engineer to own end-to-end testing for an advanced AI/ML platform. The role focuses on designing scalable automation frameworks, integrating tests into CI/CD, and ensuring robust AI/ML test coverage across APIs and microservices.

The position is hybrid in Madrid, with 40 hours weekly and a comprehensive benefits program. Join a global leader in digital technology services and contribute to high-impact AI initiatives.

Formación

• Strong experience in Python-based test automation with Playwright/pytest/Behave (BDD).
• Ability to design and own test frameworks, not just scripts.
• Experience integrating automation into CI/CD pipelines (GitLab preferred).
• Knowledge of parallel execution, reporting tools, and flaky test management.
• Understanding of APIs, microservices, event-driven architectures.
• Familiarity with SAFe, Agile, and DevOps principles.
• Experience with Jira and test management tools (Xray, Agile Hive, etc.).

Responsabilidades

• 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.
• 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 governance compliance.
• 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.
• Maintain and evolve test suites as systems change.

Conocimientos

Python

Playwright

pytest

BDD frameworks

GitLab CI

Docker

Kubernetes

APIs testing

Jira

QA in AI/ML

Herramientas

GitLab CI

Descripción del empleo

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
• Maintain and evolve test suites as systems (APIs, models, prompts) change

What do we expect from you?

• Strong experience in Python-based test automation (Playwright, pytest, BDD frameworks)
• Proven ability to design and own test frameworks, not just test scripts
• Experience integrating automation into CI/CD pipelines (GitLab preferred)
• Knowledge of parallel execution, reporting tools, and flaky test management
• Solid understanding of Git, clean code, and code review practices
• Experience with Docker and basic knowledge of Kubernetes
• Exposure to AI/ML testing (LLMs, RAG, non-deterministic systems) or strong motivation to learn
• Understanding of APIs, microservices, event-driven architectures
• Familiarity with SAFe, Agile, and DevOps principles
• Experience with Jira and test management tools (Xray, Agile Hive, etc.)
• Strong analytical mindset with end-to-end system understanding
• Awareness of data privacy, security, and compliance in regulated environments

Work Location

Hybrid position in Madrid (3 days at client´s office, Sol area, next to the underground).

Work Schedule

Business hours (40 hours weekly with 1 hour for lunch).

What can we offer?

• 23 days of Annual Leave plus the 24th and 31st of December as discretionary days!
• Numerous benefits (Health Care Plan, teleworking compensation, Life and Accident Insurances).
• `Retribución Flexible´ Program: (Meals, Kinder Garden, Transport, online English lessons, Health Care Plan…)
• Free access to several training platforms
• Professional stability and career plans
• UST also, compensates referrals from which you could benefit when you refer professionals.
• The option to pick between 12 or 14 payments along the year.
• Real Work Life Balance measures (flexibility, WFH or remote work policy, compacted hours during summertime…)
• UST Club Platform discounts and gym Access discounts

In UST we are committed to equal opportunities in our selection processes and do not discriminate based on race, gender, disability, age, religion, sexual orientation or nationality. We have a special commitment to Disability & Inclusion, so we are interested in hiring people with disability certificate.

Skills

• Playwright
• Python
• API Testing
• pytest
• Machine Learning
• GitLab CI
• Test Data Management
• RAG