Yoshimi Koyama
Solutions Architect at Amazon Web Services (AWS)
Japan
Summary
👤
Senior🎓
Top SchoolYoshimi Koyama is a Solutions Architect with 8 years’ focused experience accelerating cloud and network transformation for Tier-1 telecoms, currently driving 5G core cloudification, O-RAN/vRAN adoption, and agentic AI solutions at AWS in Japan. He combines hands-on telco networking and security expertise (5GC on AWS, Kubernetes, observability, VPC/Direct Connect, Zero-Trust/SASE) with a track record of winning large RFI/RFPs and delivering APAC’s first commercial 5GC on AWS. Yoshimi uniquely blends product, pre-sales and project management experience from global vendors (Chinese, American, British, Israeli, and Japanese firms), enabling smooth multinational collaboration and technical-commercial translation. He has led practical AI automation pilots—agentic AI for NF configuration and AI coding agents for Spec Driven Development—turning thousands of pages of telecom specs into runnable test scenarios. Outside work he builds robots and experimental projects, reflecting a hands-on curiosity that fuels his systems-level problem solving.
8 years of coding experience
12 years of employment as a software developer
BEng in Electronic Engineering, BEng in Electronic Engineering at Shibaura Institute of TechnologyEntrepreneurship / Entrepreneurial Studies (MBA Exchange module), Entrepreneurship / Entrepreneurial Studies (MBA Exchange module) at emlyon business schoolAcademic English Certificate for a post-graduate study in the UK, Academic English Certificate for a post-graduate study in the UK at University of SurreyMBA, MBA at Lancaster UniversityMSc in Mobile and Personal Communications, MSc in Mobile and Personal Communications at King's College London
English, Japanese
Github Skills (2)
robot8
robotics7
Github contributions (4)
sicoco/Minicranebot
Jul 2018 - Sep 2018
Contributions:17 pushes, 1 branch in 1 month
sicoco/3d-printed-bldc
Dec 2017 - Dec 2017
Contributions:4 commits, 2 pushes, 1 branch in 1 day
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