Yunjung C.

Key Skills

Software

Other

Data Annotation Tech

Mercor

Top Subject Matter

AI Safety

Content Moderation

Korean Language Processing

Top Data Types

Audio

Image

Text

Document

Top Task Types

Fine-tuning

Prompt + Response Writing (SFT)

Question Answering

Text Generation

Red Teaming

Freelancer Overview

AI Safety / Red Teamer – Reviewer (Freelance). Brings 4+ years of professional experience across legal operations, contract review, compliance, and structured analysis. Core strengths include Mercor, Data Annotation Tech, and Internal. Education includes Bachelor of Arts, Sogang University (2022) and High School Diploma, Suzhou Singapore International School (2016). AI-training focus includes data types such as Text and labeling workflows including Red Teaming, Evaluation, and Rating.

Labeling Experience

Korean Prompt Response Writing

Don't discloseTextPrompt + Response Writing (SFT)

Korean Prompt Response Writing

2024 - 2026

AI Content Quality Specialist (Freelance)

Data Annotation TechText

I edited and assessed large-scale LLM outputs for diverse linguistic and logical quality metrics. Responsibilities included side-by-side evaluation, ranking, and peer review to ensure data accuracy per given rubrics. I contributed to consistency and quality of datasets as part of a collaborative annotation process. • Edited AI-generated outputs for linguistic, logical, and factual accuracy. • Conducted side-by-side evaluations and rankings of LLM responses. • Reviewed peers’ judgments for annotation consistency. • Adhered to complex instruction rubrics and content guidelines.

2025 - Present

Korean Audio Recording

Don't discloseAudioAudio Recording

Audio Recording based on the guidlines.

2024

LLM Korean evaluation

Don't discloseTextEvaluation/Rating

LLM Korean evaluation

2024

AI Safety / Red Teamer – Reviewer (Freelance)

MercorTextRed Teaming

This role involved reviewing, refining, and validating Korean AI-generated textual prompts and responses. I ensured logical consistency, safety compliance, and alignment with stipulate policies for AI content. My work also included cross-verifying the editorial decisions of other evaluators to uphold dataset integrity. • Evaluated and edited complex Korean AI prompts and model outputs. • Ensured all content adhered to strict safety and stylistic policies. • Provided analytical reasoning for adjustments made to model responses. • Peer-reviewed the work of fellow evaluators to maintain high-quality standards.

2026 - 2026

Education

Work History