Empregos de data annotator em Porto

CNTXT AI is seeking a senior-level European Portuguese localization contractor to support AI data and language projects on a flexible, hourly basis. You will perform localization QA, translation judgments, and content checks across prompts, datasets, and outputs, ensuring accuracy and cultural nuance. Applicants should hold a Bachelor's degree in a related...

YO AI Labs is seeking Generalists with strong analytical and critical-thinking skills to support AI and data-focused projects. You will review, evaluate, and annotate information across different topics while maintaining high accuracy and quality. Working remotely, you will collaborate with cross-functional teams, meet deadlines, and apply clear written...

YO AI Labs is seeking Generalists with strong analytical and critical-thinking skills to support AI and data-focused projects. You will review, evaluate, and annotate information across different topics while maintaining high accuracy and quality.Working remotely, you will collaborate with cross-functional teams, meet deadlines, and apply clear written...

This is a fully remote, hourly contractor role supporting AI data and language projects on a project-based, flexible hour basis. Project scopes vary and may include: Data annotation: labeling, classifying, and structuring documents, tables, and other content to support AI training datasets. LLM evaluation: reviewing AI-generated responses for accuracy,...

YO AI Labs is seeking Generalists with strong analytical and critical-thinking skills to support AI and data-focused projects. You will review, evaluate, and annotate information across different topics while maintaining high accuracy and quality.Working remotely, you will collaborate with cross-functional teams, meet deadlines, and apply clear written...

We are looking for Legal Annotators to support the training and evaluation of AI capabilities for contract management platforms in Portuguese (Portugal). - Job Type: Freelance - Location: Work from home - Work Schedule: Part-time - 25+ flexible hours per week - Start Date: Immediately - Duration: TBC - Rate: 22.95 USD/hour Help Shape the Future of Legal...

RWS is seeking Legal Annotators to support training and evaluation of AI for contract management platforms in Portuguese (Portugal). This is a freelance, remote, part-time role with 25+ flexible hours per week and an immediate start. Duration is to be confirmed. Pay is 22.95 USD per hour. You will perform multilingual legal data tasks across international...

Sword Health is seeking a qualified physical therapist to join our Data & Tooling team as a remote exercise-annotation specialist. You will watch sessions, assess movement quality, and provide structured clinical feedback to ground our AI models. This full-time role (40 hours/week) is remote with a part-time option (min 20 hours/week). You'll calibrate with...

We are looking for Legal Annotators to support the training and evaluation of AI capabilities for contract management platforms in Portuguese (Portugal). - Job Type: Freelance - Work Schedule: Part-time - 25+ flexible hours per week - Start Date: Immediately - Duration: End of October - Rate: 22.95USD/hour Help Shape the Future of Legal AI Are you a legal...

Lever, Inc. seeks Legal Annotators to support AI training for contract management platforms in Portuguese (Portugal). This freelance, remote, part-time role offers flexible hours and an immediate start. You will perform multilingual legal data tasks, analyze clauses and terms in contracts, and participate in calibration sessions to ensure high-quality data...

In this hourly, remote contractor role, you will work as a Portuguese Quality Assurance Lead (QAL) to oversee quality, consistency, and trainer performance across Portuguese AI training projects. You will review AI-generated Portuguese content and trainer/QA work, evaluate output quality against project guidelines, provide precise written feedback, and...

Job Title Political Science Quality Assurance Lead Job Type Contract Location Remote About this role In this hourly, remote contractor role, you will work as a Political Science Quality Assurance Lead to oversee quality, consistency, and trainer performance across political science AI training projects. You will review AI-generated political science...

At Sword, we’re building AI to heal billions and unlock humanity’s full potential. In doing so, we’re pioneering AI Care, a fundamentally new approach to healthcare built for medical reasoning, safety, and real-time treatment, not generic technology applied after the fact. As both a clinical-centric frontier AI lab and an applied AI platform, Sword is...

Odixcity Consulting is seeking a Software Engineer Annotator to evaluate, label, and improve software engineering datasets used for AI and LLM training. The role emphasizes reviewing AI-generated code and ensuring high-quality technical annotations. You will annotate datasets, assess code for correctness, efficiency, readability, and security, and provide...

RWS is seeking Legal Annotators to support AI training and evaluation for contract management platforms in Portuguese (Portugal). This is a freelance, remote, part-time position with flexible hours and an immediate start. You will perform multilingual data-related tasks across international contracts, analyze clauses and terms, and participate in...

Please submit your resume in English and indicate your level of English. At Toloka, we connect smart, curious people from around the world with freelance online tasks that train and improve artificial intelligence. What We Do The Toloka Annotators connects individuals with Generative AI projects from leading tech innovators. Our mission is to unlock the...

Please submit your resume in English and indicate your level of English. At Toloka, we connect smart, curious people from around the world with freelance online tasks that train and improve artificial intelligence. What We Do The Toloka Annotators connects individuals with Generative AI projects from leading tech innovators. Our mission is to unlock the...