Kento Fukumori
Transformation Lead General Manager (Interim)
Chiyoda, Japan
Summary
🤩
Rockstar🎓
Top SchoolKento Fukumori is a transformation-minded technology leader with six years of hands-on software engineering and product operations experience, currently serving as Interim Transformation Lead / General Manager where he led a V-shaped recovery for a 100+ person organization by overhauling HR, KPIs, and digital workflows. He pairs practical backend and storage engineering skills—contributions to notable open-source projects like MatrixOne, RisingLight, and CNCF-hosted Curve—with strategic people and operational design to turn legacy cultures into delivery-oriented teams. His background spans platform operations at ByteDance, community and localization work at AWS Game Studios, and esports and game-business launches at Capcom and Rakuten, giving him a rare mix of developer, operator, and talent-development perspectives. Notably, his database work includes implementing logging, bit-sliced indexing, and storage optimizations, reflecting a deep comfort with performance-sensitive systems and instrumentation.
6 years of coding experience
2 years of employment as a software developer
Bachelor's degree, Computer Science, Psychology, Business, Bachelor's degree, Computer Science, Psychology, Business at International Christian University
Github Skills (28)
asynchronous10
storage-engine10
filesystem10
c-language10
async10
databases10
storage10
distributed-systems10
indexing10
data-structure10
olap10
indices10
go10
indexer10
block-storage10
Programming languages (4)
Github contributions (5)
matrixorigin/matrixone
Aug 2021 - May 2022
Hyperconverged cloud-edge native database
Role in this project:
Back-end Developer & Database Engineer
Back-end Developer & Database EngineerContributions:5 reviews, 58 commits, 26 PRs in 8 months
Contributions summary:Kento primarily worked on implementing and integrating various logging functionalities within the storage components of the database. They added a new logger using the `zap` library for aoe storage and refactored existing logging configurations. Further contributions included support for datetime and time data types along with zone map enhancements. They also contributed to the implementation of data structures and algorithms, specifically, implementing support for bsi (bit-sliced index) and performance optimization in storage layer.
hybrid-cloudcloudnativehtapstreamingedge-native
risinglightdb/risinglight
Feb 2022 - Feb 2022
An educational OLAP database system.
Role in this project:Back-end Developer & Database Engineer
Back-end Developer & Database EngineerContributions:13 reviews, 6 commits, 10 PRs in 12 days
Contributions summary:Kento focused on storage-related refactoring and optimization within the risinglightdb project. Their contributions include implementing static async traits in column iterators, building rowsets while appending data to memtables, and refining the skip logic within column iterators. Furthermore, they removed redundant code, particularly related to fetching row IDs, and removed functionality from the column iterator, indicating an effort to streamline database operations.
analyticsembedded-databaserustolapsql
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