Hideyuki Yokoyama
Tokyo, Japan
Summary
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SeniorHideyuki Yokoyama is a seasoned technology leader and CTO based in Tokyo, steering Kokopelli Inc. since 2023 and serving as General Manager. He began his software career in 1997, delivering B2C products and large-scale B2B solutions across logistics, accounting, healthcare, e‑commerce, and finance—contributing to 50+ projects in planning, development, management, and operations. He specializes in bridging engineering and business—designing scalable systems, analytics and data engineering, product and project management, and people leadership, with a track record in pre-sales and talent development. His tech stack spans cloud platforms (AWS/GCP/Azure), languages including Java, Python, PHP, Ruby, and frontend with React/TypeScript, plus ML, NLP, and table data analytics. Since 2020, he has contributed as an engineer at JDSC, enriching his hands-on practice while guiding technical strategy at Kokopelli. He studied at Hokkaido University and operates at the intersection of enterprise-grade delivery and strategic tech leadership.
13 years of coding experience
Github Skills (9)
database2
pygame2
machinelearning1
arcade1
python1
machine-learning1
trend1
postgresql1
data-science1
Programming languages (6)
Github contributions (5)
yoko8ma/gcp-tutorial
Jul 2019 - Feb 2020
Contributions:58 PRs, 72 pushes, 6 branches in 7 months
yoko8ma/golang-practice
Aug 2016 - Feb 2018
Contributions:4 PRs, 17 pushes, 3 branches in 1 year 5 months
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