Curated remote opportunities

Remote AI & Data Training Jobs in Portugal 2026

1841 remote jobs open to candidates in Portugal in AI & Data Training. Updated daily.

Meridial AI
Alignment AI Sourcing +12 Quality Assurance Communication Accuracy Annotation Testing Assurance Acting Documentation Nuance Linguistics Education Insurance
  • Remote (Global)
  • $6 – $65/hr
  • May 6, 2026

We are sourcing independent Language Alignment & Resource Partners (LARPs) to provide native-level Taiwanese language vetting and QA for a specialized AI data project.

Anyone AI
AI Recruiting English +12 Engineering Python JavaScript TypeScript Java C# Go Testing Pytest Jest JUnit xUnit
  • Portugal
  • $45 – $80 per hour
  • May 4, 2026

Anyone AI is recruiting skilled Full-Stack Developers to work on a project with a leading AI lab. Qualifications: Advanced professional written proficiency in English 3–7 years of professional software engineering experience Strong proficiency in Python and…

Aligned Labs
AI Expert - Physics Contractor · Part-time
Physics Theoretical Physics Applied Physics +7 Problem Solving Analytical thinking AI Model Evaluation Scientific Research Mathematical Modeling Technical Writing Critical Thinking
  • Remote (Global)
  • $80 – $120/hr
  • May 3, 2026

About Aligned Aligned partners with leading AI labs to push the frontier of artificial intelligence across disciplines such as physics, medicine, law, and finance. We connect top-tier experts with high-impact AI research projects. Role Overview We are seeking Senior…

Meridial AI
AI Benchmarking Role-Play +12 Telecommunications Accuracy Programming JSON Logic Communication Problem Solving English Writing Rubrics Documentation Insurance
  • Remote (Global)
  • $11 – $30.6/hr
  • May 1, 2026

A project dedicated to assessing and benchmarking advanced agentic audio models against leading systems. The program’s mission is to evaluate and optimize model performance for real-world customer support use cases.

Meridial AI
AI Benchmarking Role-Play +12 Telecommunications Accuracy Programming JSON Logic Communication Problem Solving English Writing Rubrics Documentation Insurance
  • Remote (Global)
  • $11 – $30.6/hr
  • May 1, 2026

A project dedicated to assessing and benchmarking advanced agentic audio models against leading systems. The program’s mission is to evaluate and optimize model performance for real-world customer support use cases.

AfterQuery
Engineering Debugging Programming +9 Algorithms Flexible Software Engineering Professional Experience Software Development Code Review Data Structures System Design Computer Science
  • Remote (Global)
  • $75/hr
  • Apr 30, 2026

This is a remote, project-based role for software engineers with 1–3 years of professional experience. You will complete tasks spanning software development, debugging, code review, and technical implementation across a variety of stacks and applications.

AfterQuery
Engineering CAD Analysis +12 Documentation SolidWorks AutoCAD CATIA Problem Solving Flexible Mechanical Engineering Mechanical Design Engineering Analysis Technical Documentation Product Development Professional Experience
  • Remote (Global)
  • $88/hr
  • Apr 29, 2026

This is a remote, project-based role for mechanical engineers with 2–4 years of hands-on experience in CAD and mechanical design. You will complete tasks spanning mechanical design, engineering analysis, technical documentation, and product development support.

xAI
AI & Data Training Full-time
AI Spanish Make +12 Microsoft Teams Training Microsoft Excel Accessibility Annotation English Pronunciation Accuracy Expressions Interpretation Communication Nuance
  • Remote (Global)
  • $35 – $45/hr
  • Apr 29, 2026

SpaceX was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not.

xAI
AI & Data Training Full-time
AI Portuguese Make +12 Microsoft Teams Training Microsoft Excel Accessibility Annotation English Pronunciation Accuracy Expressions Interpretation Communication Nuance
  • Remote (Global)
  • $35 – $45/hr
  • Apr 29, 2026

SpaceX was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not.

xAI
AI & Data Training Full-time ↻ Reposted
AI French Make +12 Microsoft Teams Training Microsoft Excel Accessibility Annotation English Pronunciation Accuracy Expressions Interpretation Communication Nuance
  • Remote (Global)
  • $35 – $45/hr
  • Apr 29, 2026

SpaceX was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not.

Meridial AI
LaTeX AI Sourcing +12 Formatting Training Rendering Markdown Audit Expressions Rewriting Editing Grammar Rubrics Localization Syntax
  • Remote (Global)
  • $8 – $30/hr
  • Apr 27, 2026

We are sourcing independent LaTeX Specialists to provide their expertise for an AI benchmark evaluation project. As AI models increasingly generate complex long-form content that blends mathematical and technical formatting with creative prose, their quality relies entirely on…

RemoExperts
AI Expert - Legal Contractor
Compliance AI Accuracy +12 Research Analysis Interpretation Contracts JD GDPR CCPA Litigation Writing Reasoning Legal Compliance Legal Research
  • Remote (Global)
  • Compensation for our legal and compliance experts typically ranges from $60 to $140 USD per hour, re
  • Apr 23, 2026

As a Legal & Compliance AI Specialist, you will directly improve the accuracy, safety, and jurisdictional rigor of AI in legal research, contract analysis, and regulatory compliance.

RemoExperts
Medicine AI Accuracy +12 Reasoning Interpretation Triage Procedures Contraindications SNOMED Radiology Pathology ICD-10 CT LOINC Ethics
  • Remote (Global)
  • Compensation for our medical and financial experts typically ranges from $70 to $150 USD per hour, r
  • Apr 23, 2026

As a Clinical Medicine AI Specialist, you will directly improve the accuracy and safety of AI in clinical reasoning, diagnostic support, and patient-facing health information.

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