Seongdae Kim

Key Skills

Software

Telus

Other

Top Subject Matter

General AI/Multimodal

Natural Language Processing / Bilingual Korean–English

Top Data Types

Image

Text

Top Task Types

Classification

Prompt Response Writing SFT

Freelancer Overview

Data Annotator (Image & Video). Brings 4+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Telus and Other. Education includes Certificate, Gudi Academy (2026) and Bachelor of Science, Daegu Haany University (2020). AI-training focus includes data types such as Image and Text and labeling workflows including Classification and Prompt + Response Writing (SFT).

Labeling Experience

Data Annotator (Image & Video)

TelusImageClassification

I performed precise image and video annotation tasks to enhance AI model training quality. Applying multilingual and linguistic expertise, I ensured labeling consistency and contextual accuracy. I rigorously followed client annotation guidelines and QA standards in a remote setting. • Labeled large volumes of image and video datasets for machine learning. • Improved annotation quality by applying context-driven linguistic insights. • Ensured compliance with multilingual data requirements. • Used advanced annotation platforms and remote collaboration tools.

I performed precise image and video annotation tasks to enhance AI model training quality. Applying multilingual and linguistic expertise, I ensured labeling consistency and contextual accuracy. I rigorously followed client annotation guidelines and QA standards in a remote setting. • Labeled large volumes of image and video datasets for machine learning. • Improved annotation quality by applying context-driven linguistic insights. • Ensured compliance with multilingual data requirements. • Used advanced annotation platforms and remote collaboration tools.

2025 - 2026

Prompt Writer & Data Annotation Specialist

OtherTextPrompt Response Writing SFT

I designed and optimized prompts for natural language processing models, with an emphasis on Korean–English linguistic subtleties. I conducted detailed text annotation and labeling to maintain semantic and contextual accuracy. I reviewed model responses and refined instructions to ensure improved output quality. • Created and evaluated prompts for AI conversational agents. • Labeled NLP datasets for semantic correctness and clarity. • Applied knowledge of language structure, tone, and context in annotation. • Iteratively refined prompts based on AI model feedback and evaluations.

I designed and optimized prompts for natural language processing models, with an emphasis on Korean–English linguistic subtleties. I conducted detailed text annotation and labeling to maintain semantic and contextual accuracy. I reviewed model responses and refined instructions to ensure improved output quality. • Created and evaluated prompts for AI conversational agents. • Labeled NLP datasets for semantic correctness and clarity. • Applied knowledge of language structure, tone, and context in annotation. • Iteratively refined prompts based on AI model feedback and evaluations.

2024 - 2025

Education

Work History