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[Remote] Language Alignment & Resource Partner (Portuguese) - Freelance AI Trainer Project

Work from home Full-time role Hiring

Note: The job is a remote job and is open to candidates in USA. Invisible Technologies is seeking independent Language Alignment & Resource Partners to provide native-level Portuguese language vetting and QA for a specialized AI data project. The role involves evaluating, annotating, and validating data to ensure high-quality outputs that reflect real-world usage and deliver human-like communication.

Responsibilities

  • Reviewing, annotating, and testing AI outputs for grammatical accuracy, naturalness, and strict cultural context
  • Acting as a primary quality check during production to proactively identify and correct subtle cultural errors or awkward phrasing in the target language
  • Analyzing task quality trends and autonomously developing educational resources and feedback documentation to increase alignment between AI task outputs and campaign expectations
  • Providing native-level language vetting during project scaling and offering specialized linguistic consultation throughout the production phase

Skills

  • Demonstrable work or educational experience in linguistics, education, or other fields requiring high attention to linguistic detail
  • Prior, tangible experience working in human data evaluation or annotation
  • Verified Portuguese language proficiency of C1 or C2
  • The ability to confidently transform raw feedback and quality trends into structured, actionable educational resources
  • A meticulous approach to language, with the sharpness to identify and correct even the most subtle unnatural phrasing in their native tongue

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/.
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