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kosei_oshima

Kosei

@kosei_oshima

Japanese medical student

Japan
Japanese
About me
Hi there! I’m a native Japanese speaker and a current medical student at a top‑tier university in Japan, with practical quality‑assurance experience to ensure accuracy and consistency. My background lets me handle complex medical, scientific, and technical content with precision that general translators might miss. What I offer: • Professional voice‑over from a sound‑treated studio • Accurate English→Japanese and Japanese→English translation (100% manual) • Natural, professional tone adjustment I pride myself on meticulous attention to detail and prompt communication.... Read more

Skills

k
kosei_oshima
Kosei
Offline • 
Average response time: 1 hour

See my services

Translation
I will manually translate japanese and english as a native
Voice Over
I will be your best japanese male voice over artist

Work experience

Quality Control Team

Nagase Brothers Inc. • Part-time

Oct 2025 - Present7 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.