Shigemasa Kumagawa
Solutions Architect Senior at Akamai Technologies
Chiba Prefecture, Japan
Summary
👤
Senior🎓
Top SchoolShigemasa Kumagawa is a senior solutions architect with ~8 years of hands-on experience designing and delivering large-scale network and cloud services, currently advising on CDN, web security, and edge computing at Akamai. His background spans R&D and carrier roles at NTT, where he led OSS projects, FTTH backbone architecture, and next‑generation optical network strategy for telecom cloud services. Technically fluent across IP routing (IPv6, multicast, MPLS, VXLAN), optical transport, virtualization (VMware/OpenStack), and cloud-native operations (Nginx, Prometheus, Docker, AWS Lambda), he blends deep network engineering with software and automation skills in Ruby, Go, and infrastructure code. Known for cross‑border collaboration on OSS and global projects, he pairs technical leadership with practical project delivery and performance/security consulting. Outside work he channels systems thinking into hobby electronics, ham radio, and travel, reflecting a continual curiosity that informs his pragmatic yet innovative approach to architecture.
8 years of coding experience
11 years of employment as a software developer
Master's degree, Information Technology, Master's degree, Information Technology at 京都大学 / Kyoto University
japanease, English
Stackoverflow
1reputation
0reached
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Github Skills (12)
uuid6
identifier5
guid5
uuid-generator5
ksuid4
nanoid4
ulid4
switch4
unique-id4
networking2
golang2
go2
Programming languages (1)
Github contributions (5)
beluganos/beluganos
Oct 2017 - Jun 2019
Contributions:5 releases, 171 commits, 1 PR in 1 year 8 months
switcheswhitebox
beluganos/netconf
Apr 2018 - Apr 2019
Contributions:3 releases, 39 commits, 13 pushes in 11 months
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