About OpenTrain
OpenTrain is the centralized, open platform where AI training and data-labeling freelancers find work, consolidate opportunities across platforms, and build a unified AI training portfolio they control. We make specialized AI training work easier to track, apply for, and grow into a durable freelance career.

About this role
OpenTrain is recruiting a Vietnamese AI translation and evaluation expert to review AI-generated responses, assess reasoning quality, fact-check localized details, and compare model outputs for correctness, clarity, and adherence to the prompt. The work also includes identifying methodology or conceptual errors, checking tone and cultural nuance, and writing high-quality explanations that show correct methods.

What you will do
- Review and improve AI-generated Vietnamese language content
- Evaluate reasoning quality, logical flow, and step-by-step problem solving
- Check accuracy, clarity, terminology, tone, and cultural nuance
- Fact-check names, dates, references, and other localized details
- Rate and compare multiple AI responses using quality judgment
- Apply Vietnamese translation and localization expertise with MQM or LQA-style consistency

Required skills
- Native or near-native Vietnamese proficiency with strong locale awareness for Vietnam
- Minimum C1 English reading and writing ability
- Experience in Vietnamese translation, localization, or linguistic QA
- Familiarity with CAT tools, QA workflows, terminology management, and style guides
- Strong editorial judgment for register, tone, inclusivity, and cultural nuance
- Ability to fact-check localized content carefully and consistently
- Prior AI data training, annotation, or evaluation experience is preferred

Helpful background
- Experience with Vietnamese translation, localization, or linguistic QA
- Experience applying MQM or LQA concepts in review work
- Comfort working as an hourly contractor with dependable throughput and clear documentation

Schedule and location
- Remote contractor work
- Vietnam hiring location
- Hourly compensation up to $20/hour
- About 20 hours per week over about 8 weeks

Why work with OpenTrain
OpenTrain gives freelancers one place to manage AI training opportunities instead of rebuilding proof of work on every platform. A stronger OpenTrain profile helps you show credible experience, discover roles that match your skills, and turn AI training and data-labeling work into a long-term portfolio.

Vietnamese AI Translation and Evaluation Expert

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