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Aubay Portugal is seeking a QA Analyst to design and execute test strategies for AI/ML systems. You will perform manual and exploratory testing across functional and AI-specific areas, ensure model behavior aligns with fairness and explainability, and validate data pipelines feeding AI models. Requirements include 3 years in QA, AI/ML knowledge, API testing...

InnoTech in Lisbon, Portugal is seeking a Mid Machine Learning Engineer to bring ML models into production and build scalable deployment workflows. You will work closely with data scientists and data engineers to implement reliable, production-ready ML solutions. Expect to deploy, monitor, and retrain models, develop CI/CD pipelines with modern tools, and...

EliteHire in Funchal, Portugal seeks a dedicated Machine Learning Engineer to develop and deploy scalable ML models that drive business insights and improvements. You will collaborate with data scientists and software engineers to build robust, production-ready solutions.Requirements include a Bachelor's or Master's in CS/Math, 2+ years in ML or data...

Prestige Greeters in Braga is seeking a skilled Machine Learning Engineer for a part-time role with the potential to move to full-time. The ideal candidate will design and implement ML models, analyze large datasets, and collaborate with cross-functional teams to deliver production-ready solutions.The position offers a flexible work arrangement in Braga,...

Nimber is seeking a QA Analyst with Artificial Intelligence expertise to ensure the quality of AI-powered applications. You will combine manual and functional testing with AI/ML understanding to validate models, data quality, and regression impacts. You will design test strategies for AI/ML systems, contribute to test execution, and align outcomes with...

Analista de Risco de Crédito para monitorizar e quantificar o risco de crédito, gerir modelos PD, LGD e CCF, e implementar melhorias tecnológicas. Necessária experiência como Model Owner, conhecimentos de Excel, PowerPoint e PowerBI, e boa comunicação em inglês.

Catawiki is seeking a Senior Machine Learning Data Scientist to join the Data Team in Lisbon. You will build production-ready models and scalable data products, exploring vast data sets to drive business value. Collaborate with product and engineering teams to deploy real-time and batch predictions while leveraging Kubernetes and cloud infrastructure. The...

bridge351 is seeking an experienced Machine Learning Engineer to join our team in Lisbon with a flexible work model. You will deploy, monitor and optimize ML models, while building robust CI/CD pipelines and maintaining production-grade code in Python. The role emphasizes collaboration with data scientists and data engineers, focusing on scalable...

Mercor is hiring experienced private equity associates to build a financial model from a synthetic deal document pack and to peer-review models prepared by two other contractors on the same transaction. You will deliver an editable Excel workbook with live formulas, source references, and stated assumptions, and you will assess two anonymized models against...

Mercor is hiring experienced private equity associates to build a financial model from a synthetic deal document pack and to peer-review models prepared by two other contractors on the same transaction. You will deliver an editable Excel workbook with live formulas, source references, and stated assumptions, and you will assess two anonymized models against...

Mercor is hiring experienced private equity associates to build a financial model from a synthetic deal document pack and to peer-review models prepared by two other contractors on the same transaction. You will deliver an editable Excel workbook with live formulas, source references, and stated assumptions, and you will assess two anonymized models against...

Mercor is hiring experienced private equity associates to build a financial model from a synthetic deal document pack and to peer-review models prepared by two other contractors on the same transaction. You will deliver an editable Excel workbook with live formulas, source references, and stated assumptions, and you will assess two anonymized models against...

bridge351 is seeking an experienced Machine Learning Engineer to join our team in Lisbon with a flexible work model. You will deploy, monitor and optimize ML models, while building robust CI/CD pipelines and maintaining production-grade code in Python. The role emphasizes collaboration with data scientists and data engineers, focusing on scalable...

bridge351 is seeking an experienced Machine Learning Engineer to join our team in Lisbon with a flexible work model. You will deploy, monitor and optimize ML models, while building robust CI/CD pipelines and maintaining production-grade code in Python. The role emphasizes collaboration with data scientists and data engineers, focusing on scalable...

Mercor is hiring experienced private equity associates to build a financial model from a synthetic deal document pack and to peer-review models prepared by two other contractors on the same transaction. You will deliver an editable Excel workbook with live formulas, source references, and stated assumptions, and you will assess two anonymized models against...

bridge351 is seeking an experienced Machine Learning Engineer to join our team in Lisbon with a flexible work model. You will deploy, monitor and optimize ML models, while building robust CI/CD pipelines and maintaining production-grade code in Python. The role emphasizes collaboration with data scientists and data engineers, focusing on scalable...

Mercor is hiring experienced private equity associates to build a financial model from a synthetic deal document pack and to peer-review models prepared by two other contractors on the same transaction. You will deliver an editable Excel workbook with live formulas, source references, and stated assumptions, and you will assess two anonymized models against...

TikTok is hiring a Trust & Safety QA specialist to help maintain safe content and high-quality moderation across markets. You will audit content, identify gaps, and drive process improvements scalable to our growing platform. The role requires strong attention to detail, policy knowledge, and clear communication with international partners. You'll...

TikTok is hiring a Trust & Safety QA specialist to audit content for policy compliance and quality across markets. You will identify gaps, drive process improvements, and participate in ongoing training to support reliable performance metrics for stakeholders. The role emphasizes strong attention to detail and clear communication with international partners...

CloserHire is partnering with a leading global customer experience company to recruit English-speaking AI Data Evaluation Specialists for an innovative artificial intelligence project based in Lisbon, Portugal. If you’re passionate about AI, language technology, and data quality, this is a unique opportunity to contribute to the development of...