Toshiyuki Natsume
ソフトフェアエンジニア at 株式会社Code Earth
Niigata Prefecture, Japan
Summary
👤
Senior🎓
Top SchoolToshiyuki Natsume is a technical lead with eight years of hands-on experience designing secure mobile and web systems, currently driving NFC smart-key development for Android and iOS. He blends low-level protocols (ISO 7816-4 APDU, HCE) and hardware verification with modern app stacks (Kotlin/Jetpack Compose, Swift/SwiftUI), and has architected multi-layer security using HMAC-SHA256, Android Keystore and biometric flows. Previously he delivered novel image-processing and ML solutions for food defect inspection that outperformed off-the-shelf models, and has broad backend and infrastructure experience (Python/Django, PostgreSQL, AWS). Based in Niigata, he also has a creative background in video/AR content and public-facing projects, and his work has been featured in the Nikkei, reflecting a rare mix of security-focused engineering and multimedia product sensibility.
8 years of coding experience
ENBU演劇・映像アカデミー 映像制作科
JapaneseProgramming languages (1)
Github contributions (5)
tossy0130/python_test_sorce_fire_2022
Oct 2022 - Jul 2024
Contributions:32 pushes, 1 branch in 1 year 9 months
tossy0130/jsqr_demo_App
Oct 2022 - Oct 2022
Contributions:2 commits, 1 push, 1 branch in 2 days
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