Koji Okuma
Director at Fixstars Corporation（株式会社フィックスターズ）
Kanagawa Prefecture, Japan
Summary
👤
Senior🎓
Top SchoolKoji Okuma is a seasoned software leader with over 15 years of experience delivering and leading firmware and software development across C/C++/Java/C#. Based in Kanagawa, Japan, he currently serves as Director at Fixstars Corporation, where he leads a 9-person firmware team and collaborates with business partners to ship reliable embedded systems. He previously built SSD firmware as a Senior Engineer and held senior engineering roles at Software Research Associates, where he led small teams and contributed to server and middleware software on Linux. His academic background includes a Ph.D. in Engineering (Computer Science) from the University of Tsukuba, with a strong foundation in programming language theory and formal methods, including model checking in software verification. This blend of hands-on engineering, leadership, and rigorous theoretical training enables him to design, implement, and verify complex systems from firmware to distributed software. He brings a rare combination of research rigor and pragmatic delivery to drive robust, auditable solutions in embedded and software domains.
16 years of coding experience
14 years of employment as a software developer
Doctor of Philosophy (Ph.D.) in Engineering, Computer Science, Doctor of Philosophy (Ph.D.) in Engineering, Computer Science at 筑波大学
Japanese, Chinese
Github Skills (12)
location10
clustering9
file-system9
scale8
cluster-computing8
distributed-computing8
large-scale7
data-sharing7
distributed-file-system6
fuse5
solaris5
linux4
Programming languages (2)
Github contributions (3)
kojiokuma/qmk_firmware
Jun 2019 - Aug 2019
Open-source keyboard firmware for Atmel AVR and Arm USB families
Contributions:3 pushes in 1 month
rp2040nrf52840firmwareavratmel
oss-tsukuba/gfarm
Jan 2010 - Mar 2013
distributed file system for large-scale cluster computing and wide-area data sharing. provides fine-grained replica location control.
Contributions:109 commits in 3 years 3 months
replicacluster-computingfine-grainedsharingscale
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