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An V.

LLM Trainer - Agentic

Hanoi, Viet Nam

Experience

Jun 2025 - Present
7 months

LLM Trainer - Agentic

Turing Group

  • Designed and authored multi-turn dialogues simulating real interactions between users and AI assistants.
  • Generated high-quality datasets for LLM fine-tuning and benchmarking.
  • Ensured logical flow, natural conversation, and accurate function-call usage.
  • Maintained strict quality and formatting standards, revising outputs based on feedback.
  • Collaborated with peers to ensure consistency, clarity, and realism in training data.
Feb 2025 - Present
11 months

Gen AI Data Annotation Specialist

iMerit Scholars

  • Reviewed and tagged sensitive text, images, and videos for personally identifiable information (PII) using Meta SRT Halo and bounding box tools.
  • Applied detailed content guidelines to ensure safety and compliance, achieving 95% accuracy across multilingual datasets.
  • Collaborated with language leads and project managers to maintain quality standards in AI training data.
Jan 2025 - Sep 2025
9 months

Data Specialist (Vietnamese)

RWS Group

  • Reviewed and annotated OCR'd text in images for language detection, improving the accuracy of language identification.
  • Utilized prompts for video generation, achieving successful delivery of outputs within project deadlines.
  • Evaluated translations of English prompts into the target language, ensuring 95% accuracy in capturing tone, nuance, and meaning.
  • Tools: SRT Halo, Mango, Squirrel, Veo3
Apr 2022 - Sep 2024
2 years 6 months

Data Operator

Corporate Register LTD

  • Classified and quality-checked 10,000+ ESG reports, ensuring consistency, accuracy, and proper categorization.
  • Applied structured data policies and formatting standards to maintain high data integrity.
  • Automated repetitive workflows in Python, reducing manual work by 20% while minimizing error rates.

Summary

Detail-oriented Data Annotation and AI Training Specialist with hands-on experience labeling text, images, and video for leading LLM projects. Skilled in applying annotation guidelines, QA processes, and compliance standards with 95%+ accuracy. Experienced in multilingual datasets, function-calling simulations, and structured data workflows to support high-quality AI model training and evaluation.

Languages

Vietnamese
Native
English
Advanced
Chinese
Elementary

Education

Sep 2021 - Jun 2023

Coventry University London

MSc, Global Financial Trading with EPP · London, United Kingdom

Sep 2018 - Jun 2021

University of Southampton

BSc · Computer Science · Southampton, United Kingdom

Sep 2016 - Jun 2018

Bellerbys College

A-Level Programme · United Kingdom · A*A*A

Certifications & licenses

Silver Certificate

UKMT Senior Mathematical Challenge

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