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シンカク

シンカク

AI Trainer / Multilingual Evaluator (OpenTrain AI fit / freelancer)

Japan flagTokyo, Japan

Key Skills

Software

Internal/Proprietary Tooling

Top Subject Matter

Multilingual AI training and evaluation (LLM response quality, reasoning QA, safety checks)
Mathematics & Reasoning
Translation & Localization

Top Data Types

TextText
ImageImage
AudioAudio

Top Task Types

Fine-tuningFine-tuning
Object DetectionObject Detection
Question AnsweringQuestion Answering
Text GenerationText Generation

Freelancer Overview

AI Trainer / Multilingual Evaluator (OpenTrain AI fit / freelancer). Brings 5+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Internal, Proprietary Tooling, and Other. Education includes Master of Science, Waseda University (2022) and Bachelor of Science, Waseda University (2020). AI-training focus includes data types such as Text, Computer Code, and Programming and labeling workflows including Evaluation, Rating, and Fine-tuning.

Labeling Experience

AI Trainer / Multilingual Evaluator (OpenTrain AI fit / freelancer)

TextText

Performed multilingual LLM response evaluation and quality checks by comparing prompts, model outputs, and task instructions. Conducted reasoning QA and safety/instruction-following validation to ensure responses meet required criteria. Reviewed structured data alongside generated text to support accurate evaluation and feedback. • Compared prompt-output pairs to assess correctness and adherence to instructions. • Applied multilingual quality review across Chinese, Japanese, and English outputs. • Performed preference-style evaluation and reasoning QA for model behavior. • Completed structured data review and safety/instruction-following checks.

2022 - Present

Education

W

Waseda University

Master of Science, Pure and Applied Mathematics

Master of Science
2020 - 2022
W

Waseda University

Bachelor of Science, Mathematics

Bachelor of Science
2016 - 2020

Work History

S

Sony Semiconductor Solutions Corporation

Software Engineer / AI Systems Developer

Tokyo
2024 - Present
S

Self-Employed Independent Game Developer

Independent Game Developer

N/A
2022 - 2024