Language Alignment, Resources Partner – Freelance AI Trainer

Invisible Technologies

Language Alignment & Resource Partner for AI data project. Providing linguistic QA and resource development for Brazilian Portuguese, with remote freelancers.

Posted 7/14/2026contractRemote • 🌎 Anywhere in the WorldMid-LevelSenior💰 $6 - $65 per hourWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in linguistic quality assurance and cultural context analysis, with a strong focus on Brazilian Portuguese language proficiency and the ability to create educational resources from feedback trends.

Highest-signal resume keywords

Linguistic Quality AssuranceBrazilian Portuguese Proficiency (C1/C2)Human Data EvaluationEducational Resource DevelopmentCultural Context Analysis

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

LinguisticsLanguage AnnotationGrammatical Accuracy ReviewNatural Language ProcessingQuality Trend Analysis

Soft Skills

Attention to DetailMeticulousnessProactive Problem Solving

Industry Keywords

AI Output TestingCultural Error IdentificationFeedback DocumentationLanguage VettingProject Scaling

About the role

Key responsibilities & impact

Operate autonomously to provide linguistic QA and develop alignment resources.
Expected deliverables include:
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 Brazilian Portuguese 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.

Requirements

What you’ll need

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 Brazilian 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

Comp & perks

Company-sponsored benefits such as health insurance and PTO do not apply.