Yuya Tajima
Executive Customer Relations Specialist
Higashikurume, Tokyo, Japan
Summary
👤
Senior🎓
Top SchoolYuya Tajima is a bilingual operations and quality governance specialist with 11 years’ experience turning ambiguous, early‑stage problems into scalable, repeatable operational programs across e‑commerce, travel, hospitality, and trust & safety. Currently supporting TikTok/ByteDance Japan, he combines RCA-driven insights, training enablement, and vendor coordination to improve decision consistency and align local processes with APAC/global standards. Previously at Amazon Japan he handled high‑risk executive escalations and built cross‑functional resolution frameworks with Legal, PR, Finance and Product. He also launched Hawaii’s first live‑stream commerce business at JALPAK, generating six‑figure monthly revenue and demonstrating a rare blend of frontline customer empathy and data‑driven process design. An ex-developer and Apache Beam contributor, Yuya brings hands‑on technical credibility to operational transformation and enjoys zero‑to‑one program builds that stick.
11 years of coding experience
学士（経済学）, 国際経済学科, 学士（経済学）, 国際経済学科 at 東京経済大学淑徳巣鴨中学高等学校Salem Academy Christian Schools
Github Skills (31)
java10
sql10
batch10
streaming10
beam9
python9
big-data9
data-processing9
streaming-data9
golang9
apache-beam8
apache8
step-functions8
aws-cdk8
summarization7
Programming languages (5)
Github contributions (5)
yuya-tajima/console_log
Oct 2015 - Aug 2018
Contributions:14 commits, 39 pushes, 1 branch in 2 years 10 months
yuya-tajima/dt_library
Apr 2015 - Apr 2016
Contributions:55 pushes, 1 branch in 11 months
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