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Yujeong Jeong

AI Language Evaluation Specialist

South Korea flagSeoul, South Korea
Intermediate

Key Skills

Software

No software listed

Top Subject Matter

LLM training
multilingual evaluation
safety alignment

Top Data Types

TextText
DocumentDocument

Top Task Types

No task types listed

Freelancer Overview

AI Language Evaluation Specialist. Brings 7+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Internal and Proprietary Tooling. Education includes Bachelor of Arts, Meiji University (2022). AI-training focus includes data types such as Text and labeling workflows including Evaluation and Rating.

Intermediate

Labeling Experience

AI Language Evaluation Specialist

Text
As an AI Language Evaluation Specialist, I evaluated and improved LLM-generated responses to enhance model reasoning, safety, and contextual relevance. I designed complex prompts and multi-turn conversation flows for fine-tuning large language models in Korean, English, and Japanese. I carried out adversarial testing and produced step-by-step assistant outputs to raise dataset quality and safety. • Evaluated and ranked AI-generated responses to increase model accuracy. • Designed realistic conversation scenarios for model refinement. • Conducted adversarial red-teaming to detect hallucinations and biases. • Delivered QA-verified datasets adhering to strict alignment protocols.

As an AI Language Evaluation Specialist, I evaluated and improved LLM-generated responses to enhance model reasoning, safety, and contextual relevance. I designed complex prompts and multi-turn conversation flows for fine-tuning large language models in Korean, English, and Japanese. I carried out adversarial testing and produced step-by-step assistant outputs to raise dataset quality and safety. • Evaluated and ranked AI-generated responses to increase model accuracy. • Designed realistic conversation scenarios for model refinement. • Conducted adversarial red-teaming to detect hallucinations and biases. • Delivered QA-verified datasets adhering to strict alignment protocols.

2025 - Present

Education

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Meiji University

Bachelor of Arts, Social Sciences, Global Japanese Studies

Bachelor of Arts
2018 - 2022

Work History

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O.NEST LAB

Japanese Translator & LQA Specialist

Seoul
2025 - Present
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Fastview

Freelance Japanese Translator & Editor

Seoul
2025 - 2025