For employers

Hire this AI Trainer

Sign in or create an account to invite AI Trainers to your job.

Invite to Job
Sang Hyun Yoon

Sang Hyun Yoon

LLM Evaluation and Red Teaming experience in Korean

South Korea flagIncheon, South Korea
$31.00/hrIntermediateScale AIRemotasks

Key Skills

Software

Scale AIScale AI
RemotasksRemotasks

Top Subject Matter

No subject matter listed

Top Data Types

AudioAudio
ImageImage
TextText

Top Task Types

Prompt Response Writing SFT
Red Teaming
RLHF
Text Generation
Translation Localization

Freelancer Overview

Actively engaged with Scale AI from July 2024 to June 2025, working over 40 hours per week with an average review score above 4.5. Consistently recognized by peers and managers for punctuality, localization work, and red teaming performance.

IntermediateKoreanEnglish

Labeling Experience

Scale AI

governor_pump

Scale AITextClassification
Evaluate a prompt on how natural it sounds and record the failure buckets in the response generated by 4 different models to the prompt.

Evaluate a prompt on how natural it sounds and record the failure buckets in the response generated by 4 different models to the prompt.

2025 - 2025
Scale AI

i18n_localization

Scale AITextTranslation Localization
Carried out the localization of English prompts and responses to suit Korean cultural context.

Carried out the localization of English prompts and responses to suit Korean cultural context.

2025 - 2025
Scale AI

i18n_gauntlet_benign/adversarial_safety

Scale AITextRed Teaming
Evaluated and labeled potentially harmful or biased outputs from AI models.

Evaluated and labeled potentially harmful or biased outputs from AI models.

2025 - 2025

Education

K

Korea Open National University

B.A. in English Language and Literature (Expected Feb 2026), Department of English Language and Literature

B.A. in English Language and Literature (Expected Feb 2026)
2023 - 2025
C

Chung-buk National University

Studied Psychology, [Chung-buk National University], 2010–2013 (no degree), Psychology

Studied Psychology, [Chung-buk National University], 2010–2013 (no degree)
2010 - 2013

Work History

O

Outlier

AI trainer

Incheon
2024 - Present
Q

Quintet Software

Development Manager

Gyeonggi-do
2021 - 2024