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Hiroki Imakura

Hiroki Imakura

AI Data Evaluator - Technology & Internet

JAPAN flag
Tokushima, Japan
$20.00/hrIntermediateAppen

Key Skills

Software

AppenAppen

Top Subject Matter

No subject matter listed

Top Data Types

AudioAudio

Top Label Types

Audio Recording

Freelancer Overview

I am an experienced AI data evaluator and Japanese language specialist with a strong background in data annotation, content review, and linguistic analysis. Since 2020, I have worked on developing multilingual datasets for large language models, focusing on Japanese language tasks such as prompt creation, translation, and rubric design to ensure cultural and linguistic accuracy. My work includes transcription, segmentation, and labeling for Japanese speech datasets used in AI voice model development, as well as evaluating web and social media content for accuracy and policy compliance. I bring professional English proficiency, native Japanese skills, and a detail-oriented approach to delivering high-quality training data for AI and NLP projects.

IntermediateJapaneseEnglish

Labeling Experience

Appen

Voice Recording

AppenAudioAudio Recording
Performed transcription, segmentation, and labeling for Japanese speech datasets used in AI voice model development.

Performed transcription, segmentation, and labeling for Japanese speech datasets used in AI voice model development.

2025 - 2025

Education

O

Osaka University of Economics

Bachelor of Business Administration, Business Administration

Bachelor of Business Administration
2011 - 2011

Work History

K

kibou

Accounting staff

Tokushima
2016 - Present