Empregos de data annotation em Porto

YO AI Labs in Portugal is seeking Generalists with 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 responsibilities include analyzing and annotating data, evaluating AI-generated...

All-in Global is the industry-leading provider for the iGaming industry, with localisation and content writing as our flagship services. We are the number one choice for companies looking to boost their content outreach in over 90 languages, and we aim to remain at the top of the tree. We are looking for tech-savvy French or German Language Specialists to...

All-in Global is the industry-leading provider for the iGaming industry, with localisation and content writing as our flagship services. We are the number one choice for companies looking to boost their content outreach in over 90 languages, and we aim to remain at the top of the tree. We are looking for tech-savvy French or German Language Specialists to...

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...

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...

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 Exists Document understanding breaks down fastest in the languages that parsing and vision-language models rarely see. This project builds training data for...

Senior AI Trainer Role Type: Contractor, Remote Location: North America, Latin America, Europe, UK, Oceania We'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...

Senior AI Trainer Role Type: Contractor, Remote Location: North America, Latin America, Europe, UK, Oceania We'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...

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...

Mercor is seeking a detail-oriented native Odiya speaker to annotate and transcribe complex documents. You will identify and bound meaningful regions, ensure precise reading order, and reproduce all text in Odiya script with careful attention to diacritics. Ideal candidates have experience with document annotation or QA for training data, and can handle...

at Smartex is committed to revolutionizing the textile industry through the development of cutting-edge AI solutions. We are a diverse and international company with a strong mission to make a positive impact on both our industry and the planet. We are looking for a driven Machine Learning Data Engineer to build and improve the data systems that support...

Overview This position is posted by Jobgether on behalf of a partner company. We are currently looking for a Data and AI Engineer in EMEA. As a Data and AI Engineer, you will design, implement, and optimize advanced data pipelines and backend integrations to support next-generation cybersecurity and data-intensive platforms. You will work on scalable...

Software Developer for Training AI Data – Remote Applying for the Software Developer for Training AI Data – Remote role at G2i Inc. Location & Employment Remote (Worldwide – see accepted locations below) Contract Type: Long‑term Contract Hours: Flexible, 15‑40+ per week Immediate Opportunity – Tool Use Sprint Starting This Week! We’re...

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.io Senior AI Engineer - Data & Infrastructure for Multimodal Models (100% Remote) 3 days ago Be among the first 25 applicants Join to apply for the Senior AI...

Mercor is seeking a meticulous native Japanese speaker to join our data annotation team. You will annotate structure, transcribe content exactly in Japanese (including kanji, kana and furigana), and ensure reading order accuracy on diverse documents. You will work under supervision of a second Japanese expert, reviewing and flagging illegible regions, and...

Portuguese Language ExpertRole Type:Contractor Location:Remote Job SummaryWe are looking forPortuguese Language Expertsto support an AI training project focused on audio transcription and linguistic data. The role involves transcribing, reviewing, and annotating audio content to help improve AI systems. No prior AI experience is required. Key...

A tech company is seeking a part-time LLM – AI Quality Analyst (Personalization) to evaluate personalization features for AI models. This role requires fluency in Portuguese and experience in data annotation or AI quality evaluation. The candidate will work remotely, analyzing responses, designing conversational prompts, and providing structured feedback....

Obsidian is seeking a native Odiya speaker to annotate and transcribe complex documents for a data-annotation project. You will reproduce text exactly in Odiya script, bound and categorized by type, with careful attention to reading order and legibility. This role emphasizes character-level accuracy across handwritten and scanned pages, multi-column...

Generalist Job Type: Contractor Location: Remote Role Overview We are looking for Generalists with 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 Responsibilities - Analyze,...

Generalist Job Type: Contractor Location: Remote Role Overview We are looking for Generalists with 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 Responsibilities - Analyze,...