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Fernando 이준석

Fernando 이준석

LLM Evaluation and Text Generation Specialist in Korean&English&Spanish

South Korea flagHwaseong, South Korea
$25.00/hrIntermediateLabelboxLabel StudioRoboflow

Key Skills

Software

LabelboxLabelbox
Label StudioLabel Studio
RoboflowRoboflow
Internal/Proprietary Tooling

Top Subject Matter

No subject matter listed

Top Data Types

AudioAudio
ImageImage
TextText

Top Task Types

Text Generation

Freelancer Overview

I have various backgrounds in data annotation/labelling. I worked as a data annotator recently, transcribing more than 1000 sentences produced by AI. I was also in charge of reviewing the accuracy of the sentences. I also have various experience as a Korean AI Trainer. As a Korean native speaker, I evaluated the accuracy of the Korean sentences and dialogues produced by AI. Thus, I am very specialized in LLM evaluation/Text generation in Korean&English&Spanish

IntermediateKoreanEnglishSpanish

Labeling Experience

Labelbox

Data annotation Project

LabelboxAudioEvaluation Rating
I was in charge of transcription of the Korean dialogue produced by AI. As a native Korean, I also reviewed the accuracy of the sentences.

I was in charge of transcription of the Korean dialogue produced by AI. As a native Korean, I also reviewed the accuracy of the sentences.

2025

Korean AI Trainer at Volga Partners

Internal Proprietary ToolingTextEvaluation Rating
I Reviewed and corrected 3,000+ Korean sentences generated by AI, focusing on casual expressions used in everyday conversations. And I applied native-level proficiency to refine sentences, ensuring they were natural, contextually accurate, and culturally appropriate.

I Reviewed and corrected 3,000+ Korean sentences generated by AI, focusing on casual expressions used in everyday conversations. And I applied native-level proficiency to refine sentences, ensuring they were natural, contextually accurate, and culturally appropriate.

2025 - 2025
Label Studio

AI audio data trainer with Babel Studio

Label StudioAudioAudio Recording
I participated in an AI training project by engaging in over 100 hours of recorded daily conversations in Korean, contributing to the development of a high-quality speech dataset. Also I Collaborated with a partner to conduct scripted Q&A sessions with AI on diverse topics such as science, economics, and culture, enhancing the breadth and contextual depth of collected voice data. Korean AI

I participated in an AI training project by engaging in over 100 hours of recorded daily conversations in Korean, contributing to the development of a high-quality speech dataset. Also I Collaborated with a partner to conduct scripted Q&A sessions with AI on diverse topics such as science, economics, and culture, enhancing the breadth and contextual depth of collected voice data. Korean AI

2025 - 2025

Senior Proofreader at HUFS Industry-Academic Cooperation Foundation

Internal Proprietary ToolingTextTranslation Localization
I Verified over 3,000 AI-translated Spanish sentences for accuracy. • Assisted in training AI to improve Spanish translation accuracy by providing linguistic corrections and insights. • Contributed to building high-quality language datasets, which improved AI’s ability to process and generate accurate translations.

I Verified over 3,000 AI-translated Spanish sentences for accuracy. • Assisted in training AI to improve Spanish translation accuracy by providing linguistic corrections and insights. • Contributed to building high-quality language datasets, which improved AI’s ability to process and generate accurate translations.

2022 - 2022

Education

H

Hankuk University of Foreign Studies

Bachelor Of Arts, Global Sports Industry

Bachelor Of Arts
2023
H

Hankuk University of Foreign Studies

Bachelor Of Arts, Spanish Interpretation/Translation

Bachelor Of Arts
2023

Work History

H

HUFS Translation and Interpretation Association

Spanish Translator & Interpreter

Yong-In
2023 - 2023
H

HUFS Industry-Academic Cooperation Foundation

Senior Proofreader

Seoul
2023 - 2023