Rihito Bannai
Software Engineer at Suzuca Technologies
Suginami, Japan
Summary
🤩
Rockstar🎓
Top SchoolRihito Bannai is a software engineer with five years of hands-on experience building scalable, cloud-native systems and ML infrastructure across startups and large media platforms. After transferring from law to Keio University, he completed long-term internships at over ten companies, delivering high-impact optimizations such as shaving tens of TiBs from memory during ABEMA traffic spikes and clusterizing DMM’s encoding system. He has built GPU job orchestration on GKE, authored an OSS scheduler evaluation tool at Preferred Networks, and will present at KubeCon Japan, demonstrating a blend of research-grade engineering and production pragmatism. Rihito also has SRE and project-lead experience—leading teams to launch products, designing Terraform/GCP infrastructures, and improving observability for enterprise AI services. Based in Suginami, Japan, he combines deep systems skills with cross-cultural team leadership and a knack for turning performance mysteries into reliable, cost-efficient services.
4 years of coding experience
3 years of employment as a software developer
Rangitoto College栄東高等学校Master, Cyber Informatics, Master, Cyber Informatics at Keio University
Github Skills (36)
kubernetes10
risc10
xv610
docker-image9
risc-v9
fabric9
subnet9
client-library8
docker8
minikube8
network8
api8
python-client8
coredns8
voc7
Programming languages (9)
Github contributions (5)
rihib/leetcode
Jan 2024 - Apr 2025
My LeetCode progress
Contributions:118 reviews, 104 PRs, 427 pushes in 1 year 3 months
arai60blind75computer-sciencegogolang
rihib/learn-os-on-weekends
Aug 2024 - Feb 2025
Original material for learning OS
Contributions:2 releases, 39 reviews, 16 PRs in 5 months
ccomputer-scienceosrisc-vriscv
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