AI Quality Assurance Engineer for ML Validation

act digital; Lisboa; Presencial; EUR 30 000 - 42 000; Tempo integral

Resumo da oferta

act digital is seeking a QA Analyst with a strong focus on AI/ML to join our Lisbon-based team. You will define and execute testing strategies for AI systems, design comprehensive test scenarios, and assess data quality and model behavior to ensure trustworthy AI products.

In this role, you will collaborate with Product Owners, Data Scientists, and Developers in an Agile environment, deliver clear test reports, and help drive AI quality KPIs across projects. English proficiency required.

Qualificações

• Minimum 3 years of experience as a QA Analyst.
• Hands-on exposure to AI/ML concepts and environments.
• Understanding of: Supervised Learning, Unsupervised Learning, Datasets and Data Quality.
• Experience designing and executing test strategies.
• Strong analytical and problem-solving skills.
• Experience working in Agile Scrum environments.
• Strong communication and documentation skills.
• Autonomous, proactive, and detail-oriented mindset.
• Experience using Jira, Xray.
• Professional level of English.

Responsabilidades

• Define and execute testing strategies tailored to AI/ML-based systems.
• Design, maintain, and execute manual, exploratory, functional, and non-functional test scenarios.
• Analyze user stories and business requirements to assess testing scope and feasibility.
• Estimate testing effort and identify risks associated with AI models, data quality, and business rules.
• Support User Acceptance Testing (UAT) activities and ensure business expectations are correctly reflected in delivered solutions.
• Review test results and assess impacts on functionality, performance, and AI model behavior.
• Identify, document, track, and validate defects through to resolution.
• Produce clear test execution reports, quality assessments, and status updates.
• Test model behavior across edge cases and unexpected scenarios.
• Design and execute data validation and data quality testing procedures.
• Validate data pipelines and input/output consistency.
• Challenge requirements, acceptance criteria, and AI assumptions to ensure measurable business value.
• Contribute to defining AI quality KPIs and success metrics, including: Accuracy, Precision, Recall.

Conhecimentos

AI/ML concepts

Agile Scrum

Analytical thinking

Documentation

English proficiency

Ferramentas

Jira

Xray

Postman

SoapUI

Playwright

Selenium

Katalon

Python

SQL

REST APIs

Descrição da oferta de emprego

act digital is seeking a QA Analyst with a strong focus on AI/ML to join our Lisbon-based team. You will define and execute testing strategies for AI systems, design comprehensive test scenarios, and assess data quality and model behavior to ensure trustworthy AI products.

In this role, you will collaborate with Product Owners, Data Scientists, and Developers in an Agile environment, deliver clear test reports, and help drive AI quality KPIs across projects. English proficiency required.