AI Evaluation Linguist, Vietnamese

FAS Localize; United States; Remote; USD 50,000 - 90,000; Full time

Benefits offered by this job

Fully remote

Flexible hours

Clear briefs

Job summary

FAS Localize is seeking a detail-oriented reviewer to rate, rank, and rewrite AI model outputs in Vietnamese. You will apply native Vietnamese judgment to ensure natural phrasing, accuracy, and alignment with briefs.

You will compare model answers against rubrics, write reference responses, document edge cases, and flag mistranslations or unnatural phrasing for the project team. This is a fully remote, structured role.

Qualifications

• Native Vietnamese with strong English reading comprehension.
• Careful, consistent work against written rubrics.
• Fact-checking habit and comfort with online research.

Responsibilities

• Evaluate model answers for accuracy, fluency, safety and cultural fit.
• Write and correct prompts and reference answers in Vietnamese.
• Follow detailed guidelines and document edge cases for the project team.
• Flag fabricated facts, mistranslations and unnatural phrasing.

Skills

Native Vietnamese

Strong English reading

Careful, consistent work

Fact-checking habit

Online research

Tools

Reference prompts

Job description

Rate, rank and rewrite AI model output in Vietnamese so it sounds natural, stays accurate and follows the brief.

AI companies need native judgment to make their models good in Vietnamese. You will work through detailed rubrics, compare model answers, write reference responses and explain your ratings, the same skills a good reviewer uses, applied to AI.

What you will do

• Evaluate model answers for accuracy, fluency, safety and cultural fit.
• Write and correct prompts and reference answers in Vietnamese.
• Follow detailed guidelines and document edge cases for the project team.
• Flag fabricated facts, mistranslations and unnatural phrasing.

What you bring

• Native Vietnamese, with strong English reading comprehension.
• Careful, consistent work against written rubrics.
• A fact-checking habit and comfort with online research.

Nice to have

• Previous work on AI training or evaluation projects.
• A background in law, medicine, STEM or finance.

What we offer

• Regular work in your pair from enterprise, certified and AI projects.
• A clear brief on every job: glossary, style guide, reference files and a PM who answers.
• MQM feedback on your work, so you always know where you stand.
• Rates agreed up front, per word or per hour, and paid on schedule.
• Fully remote. You set your hours and your capacity.