Invisible Technologies is hiring a Portuguese Language Specialist (Portugal) – AI Trainer

About the Role

Role details below.

Responsibilities

• Converse with the model on language scenarios
• Verify factual accuracy and logical soundness
• Capture reproducible error traces
• Suggest improvements to prompt engineering and evaluation metrics
• Challenge advanced language models on topics like verb conjugation, noun-adjective agreement, sentence structure, word order, accentuation, and colloquial expressions
• Document every failure mode so we can harden model reasoning

Requirements

• Expertise in phonetics, morphology, syntax, semantics, pragmatics, and sociolinguistics of the Portuguese language
• Clear, metacognitive communication — 'showing your work'

Nice to Have

• A master’s or PhD in Portuguese language, linguistics, or a closely related field
• Peer-reviewed publications
• Teaching experience
• Hands-on linguistic analysis projects

Benefits

• Pay range of $8 to $65 per hour

Compensation

Pay range of $8 to $65 per hour, with the exact rate determined after evaluating your experience, expertise, and geographic location. Final offer amounts may vary from the pay range listed above.

Additional Information

• 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