Junichi Sasaki
Software Engineer at DeNA
Yokohama, Japan
Summary
👤
Senior🎓
Top SchoolJunichi Sasaki is a software engineer based in Yokohama with 11 years of hands-on experience across backend, frontend, mobile, and data engineering domains. Currently at DeNA he is a primary developer for account and payment infrastructure, focusing on authentication and authorization (OAuth/OIDC) while driving CI/CD and test automation practices. His background spans iOS and web development, pose-estimation research, Terraform IaC, and Clean Architecture Node.js services, reflecting a practical full‑stack mindset. Fluent in Python, TypeScript, and C, he has repeatedly worked on integrating cross-team systems and replacing legacy Rails applications. Junichi’s training at 42 and a maritime engineering foundation give him an unconventional mix of self-directed software education and hardware-adjacent engineering thinking. He’s known for collaborating closely with teammates to turn research prototypes into production-ready services.
11 years of coding experience
3 years of employment as a software developer
Computer Science, Computer Science at 42 The NetworkElectronic Mechanical Engineering Department, Electronic Mechanical Engineering Department at Toba national colleage of Maritime Technology
Github Skills (46)
storekit10
in-app-purchase10
actionsheet10
appstore10
receipt-validation10
popup9
ios9
windows-phone9
paging9
scroll9
android9
menu9
bluetooth-low-energy9
swift9
corebluetooth8
Programming languages (3)
Github contributions (5)
jinSasaki/AlertBar
Jan 2016 - Feb 2020
An easy alert on status bar
Contributions:12 releases, 70 commits, 54 PRs in 4 years 1 month
alertcocoapodsactionsheetstatusnotifications
jinSasaki/InAppPurchase
Sep 2017 - Mar 2022
A Simple and Lightweight framework for In App Purchase
Contributions:17 releases, 142 commits, 88 PRs in 4 years 6 months
ios11in-app-purchaseappstorestorekitswift4
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