Note: The job is a remote job and is open to candidates in USA. Invisible Technologies is seeking Portuguese language experts to shape the future of AI. The role involves verifying language models, capturing error traces, and suggesting improvements to enhance AI training data.
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 Portuguese (Brazil) language, including phonetics, morphology, syntax, semantics, pragmatics, and sociolinguistics
- Ability to challenge advanced language models on topics like verb conjugation, noun-adjective agreement, sentence structure, word order, accentuation, and colloquial expressions
- Experience in documenting failure modes of language models
- A degree in Portuguese language, linguistics, or a closely related field
- Peer-reviewed publications, teaching experience, or hands-on linguistic analysis projects
- Clear, metacognitive communication skills
- Eligibility to participate in AI data collection and evaluation, including being 18 years or older and agreeing to applicable participant and consent agreements
- Ability to submit content featuring only yourself and avoid third-party or sensitive personal information
Benefits
- As a contractor you’ll supply a secure computer and high‑speed internet; company‑sponsored benefits such as health insurance and PTO do not apply.
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 6 in 2026, 9 in 2025. Please note that this does not guarantee sponsorship for this specific role.