[Remote] Portuguese Language Data Contributor (Multimodal) – Freelance AI Trainer Project

Note: The job is a remote job and is open to candidates in USA. Agency is seeking a Portuguese (Brazil) language expert to contribute to the development of AI. The role involves verifying language models, documenting errors, and suggesting improvements based on linguistic analysis.

Responsibilities
• Converse with the model on language scenarios
• Verify factual accuracy and logical soundness
• Capture reproducible error traces
• Suggest improvements to our prompt engineering and evaluation metrics

Skills
• Expertise in phonetics, morphology, syntax, semantics, pragmatics, and sociolinguistics of the Portuguese language
• Degree in Portuguese language, linguistics, or a closely related field
• Clear, metacognitive communication skills
• Ability to converse with the model on language scenarios
• Verification of factual accuracy and logical soundness
• Capture reproducible error traces
• Suggest improvements to prompt engineering and evaluation metrics
• Participation in AI data collection and evaluation
• Ability to provide audio, video, image, and written inputs
• Eligibility to be 18 years or older and agree to participant and consent agreements
• Ability to submit content featuring only yourself and avoid third-party or sensitive personal information
• Peer-reviewed publications
• Teaching experience
• Hands-on linguistic analysis projects

Benefits
• Health insurance
• PTO

Company Overview
• Invisible Technologies makes AI work. Our platform cleans, labels, and structures company data so it’s ready for AI. It was founded in 2015, and is headquartered in San Francisco, California, USA, with a workforce of 201-500 employees. Its website is https://www.invisible.co/.

Company H1B Sponsorship
• Invisible Technologies has a track record of offering H1B sponsorships, with 9 in 2025. Please note that this does not guarantee sponsorship for this specific role.

Apply Now

Apply Now