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Yeji Ju

Yeji Ju

Korean-English AI Trainer / Outlier.ai

SOUTH_KOREA flag
Jeungpyeong-gun, South Korea
$30.00/hrIntermediateOther

Key Skills

Software

Other

Top Subject Matter

AI-Generated Content
Rlhf Domain Expertise
LLM evaluation

Top Data Types

TextText
DocumentDocument

Top Task Types

RLHF
Evaluation Rating

Freelancer Overview

Korean-English AI Trainer / Outlier.ai. Brings 4+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Other. Education includes Advanced Level, YMK College (2025) and International General Certificate of Secondary Education, Prince of Wales Island International School (2024). AI-training focus includes data types such as Text and labeling workflows including Evaluation and Rating.

IntermediateEnglishKoreanSpanish

Labeling Experience

Korean-English AI Trainer / Outlier.ai

OtherText
As a Korean-English AI Trainer at Outlier.ai, I conducted quality evaluations of AI-generated text content. I ensured that outputs met standards for accuracy, coherence, and compliance with project guidelines. I optimized large language model (LLM) performance with reinforcement learning from human feedback (RLHF) techniques. • Performed hands-on evaluation and rating of diverse AI-generated texts. • Applied RLHF strategies to improve LLM effectiveness. • Maintained documentation regarding content quality and labeling standards. • Collaborated remotely on cross-functional project teams.

As a Korean-English AI Trainer at Outlier.ai, I conducted quality evaluations of AI-generated text content. I ensured that outputs met standards for accuracy, coherence, and compliance with project guidelines. I optimized large language model (LLM) performance with reinforcement learning from human feedback (RLHF) techniques. • Performed hands-on evaluation and rating of diverse AI-generated texts. • Applied RLHF strategies to improve LLM effectiveness. • Maintained documentation regarding content quality and labeling standards. • Collaborated remotely on cross-functional project teams.

2024 - Present

Education

Y

YMK College

Advanced Level, Physics, Mathematics, and Further Mathematics

Advanced Level
2024 - 2025
P

Prince of Wales Island International School

International General Certificate of Secondary Education, Physics, Biology, Chemistry, and Mathematics

International General Certificate of Secondary Education
2022 - 2024

Work History

N

N/A

Private Mathematics Tutor

Penang
2023 - 2023
N

N/A

Creative Writer

N/A
2020 - 2021