Kazuki Oya

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AI Rater

Productive Playhouse (PPH)

Nov 2025 - Current (11 months)

Perform guideline-based comparative evaluations of Al-generated Japanese audio and text, focusing on linguistic accuracy, tone, and intent preservation. Apply consistent judgment criteria in high-volume workflows, utilizing the sustained concentration and stamina required for professional musical performance.

Japanese Language & Culture Expert (AI Training)

Welocalize, Productive Playhouse, SME Careers, Invisible Technologies

Nov 2025 - Current (11 months)

Create and refine Japanese-language prompts in accordance with detailed client guidelines for Al training workflows. Evaluate Al-generated responses for linguistic accuracy, naturalness, intent alignment, and policy compliance. Provide structured improvement suggestions and quality feedback in both Japanese and English.

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Adjunct Lecturer

Sapporo Otani University

Apr 2018 - Current (8 years 6 months)

Teach university-level courses and evaluate student performance against strict rubrics. Provide structured, objective feedback, translating sensory concepts into logical explanations.

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Judge / Juror

Music Competition Adjudication

Jan 2015 - Current (11 years 9 months)

High-Volume Evaluation: Evaluated approx. 1,800 ensembles using strict, criteria-based systems, producing fine-grained distinctions under tight time constraints. Objective Analysis: Delivered objective, well-documented justifications for evaluations, mirroring the analytical rigor and fairness required for RLHF workflows.

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Associate Principal Percussion

Sapporo Symphony Orchestra

Apr 2011 - Current (15 years 6 months)

Perform in over 1,200 professional concerts, maintaining exceptional precision and consistency under high pressure. High-Stakes Consistency: Successfully performed the snare drum solo in Ravel's Boléro over 20 times. This role requires maintaining a precise, unvarying rhythm for 15 minutes non-stop-demonstrating the mental stamina and zero-error mindset essential for large-scale data evaluation tasks.

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Kazuki Oya

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