Vietnamese Quality Control Specialist - Project Lyra

March 25, 2026
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Job Summary

Welo Data, a global AI data leader and part of Welocalize, is hiring Vietnamese-speaking linguistics experts for a remote, freelance Quality Control Specialist role. You’ll review and refine AI-generated language outputs, focusing on accuracy, grammar, and cultural relevance. This project pays $30 USD/hour, requires a flexible ~20 hours/week commitment for 4 weeks, and offers the chance to directly impact AI communication quality while collaborating globally.

Candidates need a strong academic or professional linguistics background, native or professional Vietnamese proficiency, and proven skills in grammar, structure, and language review. Experience with evaluation tasks, detailed feedback, and cross-cultural communication is essential. Legal eligibility to work from Vietnam is required.

Welo Data offers project-based flexibility, access to exclusive AI workshops, and the opportunity to join a supportive, global network—all while influencing the future of conversational AI. No coding required; your language expertise drives real-world impact.

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Overview  

Are you passionate about linguistics, language quality, and evaluation? We are launching an exciting language evaluation project and are looking for Vietnamese-speaking linguistics experts to join our team as Quality Control Specialists. In this role, you will assess and refine AI-generated language outputs, focusing on linguistic accuracy, grammar, and cultural relevance. Your expertise will play a critical role in improving conversational AI systems.

What you will do:

  • Review and evaluate AI-generated text for linguistic accuracy, grammatical correctness, and cultural appropriateness.
  • Identify issues and provide high-quality rewritten responses to improve language outputs.
  • Develop natural prompts and responses in the target language to enhance conversational datasets.
  • Collaborate with global teams to improve the quality and performance of AI language models.

Project Details:

  • Start Date: ASAP
  • Duration: 4 weeks
  • Commitment: ~20 hours/week (flexible schedule)
  • Job Type: Freelance contract
  • Pay Rate: $30 USD/hour
  • Location: Vietnam (Remote)

Requirements:

  • Strong academic or professional background in linguistics (required).
  • Native or professional proficiency in Vietnamese with excellent written communication skills.
  • Deep understanding of grammar, linguistic structures, and cultural nuances of the target language.
  • Experience in language review, evaluation, or similar roles.
  • Comfortable working with structured tasks such as preference ranking, prompt-response writing, grammaticality checks, and text improvement.
  • Detail-oriented with the ability to deliver clear, constructive feedback.

This is a unique opportunity to apply your linguistics expertise to cutting-edge AI projects.

Join our team and help shape the future of AI communication!

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Why Join Welo Data?  

✨ Limitless Flexibility  

Project-based opportunities that fit your availability. Choose when and how much you want to contribute—fully remote, with complete autonomy.   

🌱 Limitless Growth  

Optional access to AI and Large Language Model workshops designed specifically for professionals like you. No coding required—just your expertise.   

🌍 Limitless Support  

Be part of a global contributor community with responsive guidance and support.   

💡 Real Impact  

Apply your expertise in the Legal field to influence the AI systems shaping the future of your industry—while collaborating with data professionals and expanding your skills.  

 

How to Apply? 

Apply now by answering a few quick questions to join our database and become part of our growing community. 

 

About Welo Data 

Welo Data, part of Welocalize, is a global AI data company with 500,000+ contributors delivering high-quality, ethical data to train the world’s most advanced AI systems. We’re building smarter, more human AI with a diverse community in 100+ countries.  

At Welo Data, Limitless AI. Limitless You. isn’t just a slogan—it’s our promise. We build smarter AI through the power of human contribution, offering limitless opportunities for our global community to grow, contribute, and work on their terms. 

Apply now
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