
Kosei
Japanese medical student
Skills

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Work experience
Quality Control Team
Nagase Brothers Inc. • Part-time
Oct 2025 - Present • 7 mos
Worked as a member of the Quality Management Team at Nagase Co., Ltd., responsible for ensuring the accuracy and reliability of university entrance examination mock tests. Conducted comprehensive reviews of test items, answer choices, and explanatory materials, and verified the consistency of scoring criteria and scoring logic. Collaborated with editorial, scoring, and external production teams to resolve content issues, maintain quality standards, and improve workflow stability. Contributed to reducing errors by standardizing review processes, developing checklists, and supporting the enhancement of overall quality assurance procedures.