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Language Alignment & Resource Partner, Portuguese – Freelance AI Trainer

Job not on LinkedIn

🔥 3 hours ago

🇵🇹 Portugal – Remote

💵 $6 - $65 / hour

⏳ Contract/Temporary

🟡 Mid-level

🟠 Senior

🤖 Artificial Intelligence

🗣️🇧🇷🇵🇹 Portuguese Required

Where this job comes from

Posted on Invisible Technologies's careers page, not through a job board

First seen by Remote Rocketship 3 hours ago

Still open on Invisible Technologies's site. Checked 44 minutes ago.

Logo of Invisible Technologies

Invisible Technologies

201 - 500 employees

Founded 2015

💼 Consulting

🏥 Healthcare

📦 Logistics

💰 $100M Series unknown on 2025-10

Consulting • Healthcare • Logistics

Invisible Technologies is an enterprise AI platform and services company that builds and deploys production-grade AI systems for large organizations. They combine a modular SaaS platform (data platform, process builder, agents, evaluations) with an expert human marketplace to train models, automate complex back-office workflows, power contact centers, provide computer vision and demand-forecasting solutions, and ensure ongoing evaluation and governance. Invisible works across sectors (finance, healthcare, public sector, sports, retail) to integrate AI into real operational systems and scale outcomes.

📋 Description

• Review, annotate, and test AI outputs for grammatical accuracy, naturalness, and cultural context. • Act as a primary quality check during production, identifying and correcting subtle cultural errors or awkward phrasing in Portuguese. • Analyze task quality trends and develop educational resources and feedback documentation. • Provide native-level language vetting during project scaling. • Offer specialized linguistic consultation throughout the production phase. • Operate autonomously to provide linguistic quality assurance and develop alignment resources.

🎯 Requirements

• 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. • Ability to transform raw feedback and quality trends into structured, actionable educational resources. • Meticulous approach to language and ability to identify and correct subtle unnatural phrasing in Portuguese. • Must provide a secure computer and high-speed internet. • Freelance / Independent Contractor engagement.

🏖️ Benefits

• No company-sponsored health insurance or PTO; contractors supply a secure computer and high-speed internet.

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