Kazuma Arimura
Senior Software Engineer at Bloomberg
London, England, United Kingdom
Summary
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Rockstar🎓
Top SchoolKazuma Arimura is a Senior Software Engineer based in London with 11 years of professional experience and a strong specialization in search systems and backend engineering. He has led search migrations and optimization projects at Mercari and ZOZO, delivering measurable improvements such as 20% cost reduction, 60% latency decreases, and double-digit engagement lifts from ML-driven query understanding. Currently at Bloomberg and an Elastic Bronze contributor, he blends hands-on system design (data ingestion, indexing, caching) with practical ML applications like learning-to-rank for personalization. He also has a history of mentoring and knowledge-sharing through company study groups and workshops, and holds an MS in Computer Science from Georgia Tech. Notably, his background spans both large-scale e-commerce search engineering and early-stage ML/image-processing projects, giving him a rare mix of production reliability and experimental pragmatism.
11 years of coding experience
6 years of employment as a software developer
Bachelor of Engineering in Information Engineering Electronics and Information Systems Engineering Course, Bachelor of Engineering in Information Engineering Electronics and Information Systems Engineering Course at Kumamoto National College of TechnologyMaster of Science - MS Computer Science, Master of Science - MS Computer Science at Georgia Institute of Technology
Stackoverflow
36reputation
850reached
5answers
0questions
Github Skills (106)
opensearch10
benchmark10
relevance10
hpa10
exporter10
prometheus-exporter10
requirements-txt10
google-java-format10
pip10
elasticsearch10
cloud-native10
k8s10
debian10
go-client10
txt10
Programming languages (10)
Github contributions (5)
pakio/pipreqs
Jun 2020 - Jan 2023
pipreqs - Generate pip requirements.txt file based on imports of any project. Looking for maintainers to move this project forward.
Contributions:2 PRs, 24 pushes, 2 branches in 2 years 6 months
txtpythonfile-basedpiprequirements-txt-pip
pakio/elasticsearch
Jan 2021 - Dec 2024
Open Source, Distributed, RESTful Search Engine
Contributions:8 pushes, 4 branches in 3 years 11 months
elasticsearch-clientrestfulsynonymssearch-enginedatabase
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