Empregos de data annotation em Porto

Clinical Video Annotator role requires physical therapists to watch exercise recordings, score movement quality, and provide structured feedback to train AI models. This is a high-volume, remote role focused on data annotation and consistency.

About The Role What if your everyday skills could directly influence how the world's most advanced AI systems think, respond, and improve? We're looking for AI Training Specialists to work on structured tasks that teach AI models to be smarter, more accurate, and more useful — for everyone. About The Role What if your everyday skills could directly...

Master's Thesis in Machine Learning - AI-Assisted Image Segmentation & Labeling SystemsPorto, PortugalWhat we're looking for The Software Team at Smartex is committed to pushing the boundaries of technology to create innovative solutions for the textile industry.We are a diverse and international company with a strong mission to make a positive impact on...

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for an Expert Team Lead, SWE based in Portugal.This is a hands-on leadership opportunity focused on building and maintaining high-quality human-generated data that supports advanced AI model development. You will lead a team of AI...

We are looking for Legal Annotators to support the training and evaluation of AI capabilities for contract management platforms in Portuguese (Portugal).Job Type: FreelanceWork Schedule: Part-time - 25+ flexible hours per weekStart Date: ImmediatelyDuration: End of OctoberRate: *****USD/hourHelp Shape the Future of Legal AIAre you a legal professional,...

Fluent Language Skills Required: Odiya.Native fluency in Odiya (Oriya), including full command of Odiya script and orthography, is required for this position.All annotation and transcription work is performed in Odiya.Why This Role ExistsDocument understanding breaks down fastest in the languages that parsing and vision-language models rarely see.This...

Creative & Design SpecialistRole Type:Contractor Location:Remote, Worldwide Schedule:FlexibleRole Overview micro1 is engagingCreative & Design Specialiststo support a customer project focused on graphic design, multimedia production, UI/UX, motion graphics, and creative workflows.You'll use your professional design expertise to evaluate and improve...

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Welsh Language Specialist - Freelance AI Trainer Project based in Portugal.This freelance opportunity is designed for an experienced Welsh language professional who wants to contribute directly to the development of...

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...

Odiya Transcription Expert to build training data for document understanding models.Requires native fluency in Odiya, meticulous annotation of text regions, and accurate transcription of Odiya script.

YO AI Labs is seeking a Generalist to support AI and data-focused projects.You will review, evaluate, and annotate information across topics while maintaining high accuracy and quality.This remote contractor role requires excellent English, sharp attention to detail, and the ability to manage time across multiple projects.Prior experience in data annotation...

Odia. Native fluency in Odia (Oriya), including full command of Odia script and orthography, is required for this position. All annotation and transcription work is performed in Odia.Why This Role ExistsDocument understanding breaks down fastest in the languages that parsing and vision-language models rarely see. This project builds training data for exactly...

This position is listed on behalf of a partner company, who manages all applications and next steps.Our partner is looking for a AI Trainers Network - Maltese based in Portugal.Join a global contributor network helping shape the next generation of artificial intelligence through human expertise and linguistic insight.This opportunity is designed for Maltese...

YO AI Labs is seeking a Senior AI Trainer for a remote contract role to support our video annotation project. You will review robotic-arm footage, apply precise guidelines, and deliver high-quality labeled data to improve AI training systems.Ideal candidates bring exceptional attention to detail, strong communication, and the ability to work independently in...

Fluent Language Skills Required: Odiya.Native fluency in Odiya (Oriya), including full command of Odiya script and orthography, is required for this position.All annotation and transcription work is performed in Odiya.Why This Role ExistsDocument understanding breaks down fastest in the languages that parsing and vision-language models rarely see.This...

Senior AI Engineer - Data & Infrastructure for Multimodal Models (100% Remote)Join to apply for the Senior AI Engineer - Data & Infrastructure for Multimodal Models (100% Remote) role at Tether.IoSenior AI Engineer - Data & Infrastructure for Multimodal Models (100% Remote)3 days ago Be among the first 25 applicantsJoin to apply for the Senior AI Engineer -...

Senior AI TrainerRole Type:Contractor, RemoteLocation:North America, Latin America, Europe, UK, OceaniaWe're seeking Senior AI Trainers to support a customer project focused on improving AI systems through expert-level video annotation and data labeling. You'll review robotic-arm footage, create precise annotations, and provide high-quality data to support...

GeneralistJob Type:ContractorLocation:RemoteRole OverviewWe are looking forGeneralistswith strong analytical and critical-thinking skills to support AI and data-focused projects. The role involves reviewing, evaluating, and annotating information across different topics while maintaining high accuracy and quality.Key ResponsibilitiesAnalyze, review, and...

We are looking for a European Portuguese Speaking Annotators to join our Annotation department at Your Personal AI . As an Annotator, you will play a crucial role in helping us improve our AI algorithms by providing accurate and detailed annotations in European Portuguese. Fluency in European Portuguese is a must for this role. You will be responsible for...

Fluent Language Skills RequiredMalayalam. Native fluency in Malayalam, including full command of Malayalam script and orthography, is required for this position. All annotation and transcription work is performed in Malayalam.Why This Role ExistsDocument understanding breaks down fastest in the languages that parsing and vision-language models rarely see....