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Hyeseung L.

Hyeseung L.

Freelance AI Evaluation & AI Training Specialist (LLM Evaluation, Safety & Quality Assessment)

Australia flagBrisbane, Australia

Key Skills

Software

OneFormaOneForma
Scale AIScale AI

Top Subject Matter

Multilingual LLM evaluation and safety quality assurance (Korean/English/Australian English)
Conversational AI training data preparation and personalisation evaluation
Speech data collection

Top Data Types

AudioAudio
TextText
VideoVideo
ImageImage

Top Task Types

Audio RecordingAudio Recording
ClassificationClassification
Data CollectionData Collection
Evaluation/RatingEvaluation/Rating
Translation/LocalizationTranslation/Localization
Bounding BoxBounding Box
TranscriptionTranscription
Prompt + Response Writing (SFT)Prompt + Response Writing (SFT)
Action RecognitionAction Recognition

Freelancer Overview

Freelance AI Evaluation & AI Training Specialist (LLM Evaluation, Safety & Quality Assessment). Brings 9+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Don't disclose and Google Lens (and similar tools). Education includes Bachelor of Hotel Management, Griffith University (2012). AI-training focus includes data types such as Text, Audio, and Image and labeling workflows including Evaluation, Rating, and Prompt + Response Writing (SFT).

Labeling Experience

OneForma

AI Evaluation Specialist

OneFormaOneFormaTextText

Evaluated LLM and AI model outputs for safety, fluency, accuracy, and instruction-following. Conducted preference ranking and feedback tasks for model response improvement. Evaluated grammar correction, smart reply, and personalized email generation within language models. • Rated and ranked LLM completions. • Proofread grammar correction outputs. • Assessed language model personalization. • Provided structured model performance feedback.

2026 - Present
OneForma

AI Evaluation Specialist

OneFormaOneFormaAudioAudioTranscriptionTranscription

Performed Korean speech transcription and inverse text normalization (ITN) for audio AI training datasets. Supported the creation of quality training data for speech recognition models. Contributed linguistic expertise for high-accuracy dataset production. • Labeled and cleaned speech data. • Normalized transcribed audio in Korean. • Supported speech model training pipelines. • Ensured dataset quality for AI use.

2026 - Present

Freelance AI Evaluation & AI Training Specialist (AI Video Understanding Evaluation)

Don't discloseVideoVideoAction RecognitionAction Recognition

Evaluated AI video understanding capabilities including scene extraction and clip segmentation accuracy. Tested how well multimodal systems interpret video content to support downstream generation and understanding tasks. Used segmentation-oriented assessment to check consistency and correctness of extracted scenes and clips. • Scene extraction accuracy checks • Clip segmentation evaluation • Video understanding quality assessment • Multimodal evaluation for segmentation outputs

2025 - Present
Scale AI

Generalist - Image & Video Annotation

Scale AIScale AIImageImageEntity (NER) ClassificationEntity (NER) ClassificationSegmentationSegmentation

This project involves AI/ML data annotation and analysis for images, videos, and audio. Tasks include object detection, segmentation, entity labeling, pattern extraction, and transcription, as well as generating prompts and questions from visual content. It also covers comparing model outputs, counting objects, and identifying similar media to support dataset quality and AI model training. The project helps create high-quality, structured datasets for computer vision and multimedia AI applications.

2025 - Present
Scale AI

Voice recording in Korean

Scale AIScale AIAudioAudioAudio RecordingAudio RecordingTranscriptionTranscription

Help train an AI speech model to better understand and respond in natural, human-like conversations. Creating authentic and natural audio prompts in Korean.

2025 - Present

Education

G

Griffith University

Bachelor of Hotel Management, Hotel Management

Bachelor of Hotel Management
2010 - 2012

Work History

F

Freelance

AI Evaluation and Quality Assessment Specialist (Freelance)

Brisbane
2025 - Present
B

Black & White Cabs

Customer Service Representative

Brisbane
2018 - 2025