Remote Portuguese Language QA & Alignment Expert

Invisible Technologies Inc.; United States; Remote; USD 54,000 - 90,000; Part time

Job summary

Invisible Technologies seeks independent contractors to perform Portuguese language QA for AI data projects. You will annotate and vet outputs for grammatical accuracy, naturalness, and cultural context, working remotely.

Contractors will transform feedback and trends into educational resources, supporting ongoing alignment improvements across AI task outputs. This freelance role emphasizes linguistic precision and autonomy in a remote setting.

Qualifications

• 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.

Responsibilities

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

Skills

Portuguese proficiency

Linguistic detail

Data annotation

Quality assurance

Cultural nuance

Education

Linguistics background

Job description

Invisible Technologies seeks independent contractors to perform Portuguese language QA for AI data projects. You will annotate and vet outputs for grammatical accuracy, naturalness, and cultural context, working remotely.

Contractors will transform feedback and trends into educational resources, supporting ongoing alignment improvements across AI task outputs. This freelance role emphasizes linguistic precision and autonomy in a remote setting.