Motohiko Abe
ITエンジニア at QUESTRY Co., Ltd.|株式会社クエストリー
Japan
Summary
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Rockstar🎓
Top SchoolMotohiko Abe is an experienced IT engineer with 11 years building backend systems and distributed ledgers, currently working at QUESTRY in Japan. He has deep C++ expertise demonstrated by refactoring contributions to Hyperledger Iroha’s core, improving maintainability and leveraging modern move semantics in a production-grade decentralized ledger. His career spans fintech and adtech firms including Soramitsu, Royalty Bank, and FreakOut, reflecting strong domain experience in blockchain, payments, and scalable backend services. Motohiko combines hands-on coding with system-level thinking, often focusing on data types, database interaction, and code structure to reduce technical debt. Active in the crypto community (Bitcoin/Nostr), he brings both practical ledger engineering and an ongoing interest in decentralization trends. Trained in computer science at University of Aizu, he pairs academic grounding with long-term, cross-company delivery experience.
11 years of coding experience
8 years of employment as a software developer
学士, コンピュータ理工学部, 学士, コンピュータ理工学部 at 会津大学
Stackoverflow
1reputation
0reached
0answers
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Github Skills (8)
refactoring10
c-language10
cprogramming-language10
refactor10
data-structures8
data-structure8
distributed-ledger-technology7
distributed-ledger7
Programming languages (8)
Github contributions (5)
hyperledger-iroha/iroha-dco
Dec 2016 - Jan 2018
Iroha - A simple, decentralized ledger
Role in this project:
Back-end Developer
Back-end DeveloperContributions:729 commits, 205 PRs, 662 pushes in 1 year
Contributions summary:Motohiko primarily worked on refactoring the codebase to improve its maintainability and readability. Their contributions focused on refactoring data types, variable types, and code structure, including the use of emplace and move semantics. The user demonstrated skills in C++ and likely interacted with a database through the core/ametsuchi part, as well as the underlying logic of a distributed ledger.
ssidltconsensusp2piroha
motxx/nostr-webclient
May 2024 - Oct 2024
Contributions:5 reviews, 94 PRs, 411 pushes in 4 months
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