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Hưng CôngHC
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Hưng Công

@hngcng

AI trainer and Vietnamese linguistics expert improving LLM reasoning, accuracy, and cultural nuance.

Vietnam
Message

What I'm looking for

I seek roles where I can improve LLM performance for Vietnamese users through linguistic expertise, rigorous evaluation, and collaborative QA, in teams focused on responsible, culturally aware AI.

I am an AI trainer and native Vietnamese linguistics expert with hands-on experience evaluating large language model outputs, authoring gold-standard prompt-response pairs, and documenting reproducible error modes related to semantics, pragmatics, and dialectal variation. I have consistently achieved high-quality outcomes, including a 99% QA score and recognition as a Top 5% project contributor for refining complex LLM responses involving advanced logical reasoning and subtle dialectal differences.

I focus on hardening model performance for context-dependent meaning, idiomatic expressions, and classifier usage, and I seek to contribute my expertise in AI training, prompt engineering, and linguistic error analysis to build next-generation AI solutions for Vietnamese speakers.

Experience

Work history, roles, and key accomplishments

LA

AI Trainer

LinguisTech AI

Jan 2023 - Dec 2025 (2 years 11 months)

Evaluated and ranked hundreds of LLM responses weekly to verify factual accuracy and safety, authored gold-standard prompt-response pairs for complex business and cultural topics, and documented reproducible error modes to improve model reasoning across dialects.

Education

Degrees, certifications, and relevant coursework

NU

National Economics University

Bachelor of Business Administration, Business Administration

2025 - 2029

Bachelor of Business Administration in an English-based program focusing on economics, management, and market analysis.

Tech stack

Software and tools used professionally

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Hưng Công - AI Trainer - LinguisTech AI | Himalayas