Curated remote opportunities

Remote AI & Data Training Jobs in Portugal 2026

1843 remote jobs open to candidates in Portugal in AI & Data Training. Updated daily.

Turing
AI Evaluation Data Annotation Content Review +8 Quality Assurance Analytical thinking Google Workspace corporate-gmail personalized-ai-evaluation Data Analysis Attention to Detail Written communication
  • Remote (Global)
  • Jul 26, 2026

Evaluate personalized AI responses using your Google Workspace corporate account, assess bilingual AI personalization quality, and provide structured feedback to improve next-generation AI systems.

Turing
AI Evaluation Data Annotation Content Review +8 Quality Assurance Analytical thinking Google Workspace corporate-gmail personalized-ai-evaluation Data Analysis Attention to Detail Written communication
  • Remote (Global)
  • Jul 26, 2026

Evaluate personalized AI responses using your Google Workspace corporate account, assess response relevance and personalization quality in Brazilian Portuguese, and provide structured feedback to improve next-generation AI systems.

Turing
AI Evaluation Data Annotation Content Review +8 Quality Assurance Analytical thinking Google Workspace corporate-gmail personalized-ai-evaluation Data Analysis Attention to Detail Written communication
  • Remote (Global)
  • Jul 26, 2026

Evaluate personalized AI responses using your Google Workspace corporate account, assess response relevance and personalization quality in Italian, and provide structured feedback to improve next-generation AI systems.

Turing
AI Evaluation Data Annotation Content Review +8 Quality Assurance Analytical thinking Google Workspace corporate-gmail personalized-ai-evaluation Data Analysis Attention to Detail Written communication
  • Remote (Global)
  • Jul 26, 2026

Evaluate personalized AI responses using your Google Workspace corporate account, assess response relevance and personalization quality in Spanish, and provide structured feedback to improve next-generation AI systems.

Turing
AI Evaluation Data Annotation Content Review +8 Quality Assurance Analytical thinking Google Workspace gmail personalized-ai-evaluation Data Analysis Attention to Detail Written communication
  • Remote (Global)
  • Jul 26, 2026

Evaluate personalized AI responses using your Google Workspace account, assess response relevance and personalization quality in French, and provide structured feedback to improve next-generation AI systems.

Turing
Machine Learning Artificial Intelligence Statistics +13 Prompt Engineering Deep Learning Large Language Models (LLMs) Generative AI Reinforcement Learning representation-learning Computer Vision Natural Language Processing Optimization Python PyTorch TensorFlow research-evaluation
  • Remote (Global)
  • Jul 26, 2026

Evaluate AI-generated reproductions of machine learning research papers, assess technical correctness and research quality, and help improve frontier AI systems using your expertise in ML, AI, or Statistics.

Alice
AI Go GenAI +12 Accuracy Biology Genetics Chemistry Virology Epidemiology Immunology Compliance Research Communication Red Teaming Consulting
  • Remote (Global)
  • Jul 25, 2026

Alice.io (formerly known as ActiveFence) is a leading trust, safety, and security company. Just like 'Alice' herself, we go down the rabbit hole into the emerging world of AI and focus on safeguarding these technologies.

Alice
AI Go Analysis +12 Testing Infrastructure Microsoft Teams Research Documentation Reporting Management Problem Solving Communication Python Node.js Cybersecurity
  • Remote (Global)
  • Jul 25, 2026

Alice.io (formerly known as ActiveFence) is a leading trust, safety, and security company. Just like ‘Alice’ herself, we go down the rabbit hole into the emerging world of AI and focus on safeguarding these technologies.

Alice
Go AI Investigations +12 Messaging Analysis Monitoring Research Flexible Collaboration Mechanical Systems English Mandarin Chinese Russian Automation Scripting
  • Remote (Global)
  • Jul 24, 2026

Alice.io (formerly known as ActiveFence) is a leading trust, safety, and security company. Just like 'Alice' herself, we go down the rabbit hole into the emerging world of AI and focus on safeguarding these technologies.

AfterQuery
AI Research Engineering +12 Machine Learning Operations Education Physics Chemistry Biology Finance Compliance CAD Robotics Linguistics Communication
  • Remote (Global)
  • $135/hr
  • Jul 24, 2026

We're building a research cohort of senior domain experts across seven specialist tracks — software/systems engineering, formal methods and computational science, ML inference and GPU kernels, enterprise operations, security, hardware design, and creative technology — to help…

Volga Partners
Data Annotation & Labeling Contractor ↘ +4 regions
AI Annotation Portuguese +12 Make Linguistics Translation Localization Education Research Writing Assurance Quality Assurance Microsoft Teams Training Accuracy
  • Brazil, Peru, Spain +1Portugal
  • $8 – $11.5/hr
  • Jul 23, 2026

We are seeking language professionals who are available and prepared to commit to this project for a minimum of six months.

AfterQuery
Machine Learning AI Optimization +12 Model Serving Architecture Systems Engineering Engineering Computer Vision vLLM TensorRT-LLM SGLang Quantization Communication Flexible LLM Inference
  • Remote (Global)
  • $125/hr
  • Jul 22, 2026

We're assembling a group of senior software and ML engineers to work on one of the hardest open problems in AI today: how well can frontier models reason about LLM inference systems, GPU-level performance optimization, and model-serving architecture?

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One email per week, 5 hand-picked roles.