hondaya.co

Resume

Contact

ItemContent
NameYasuhisa Honda
GitHubhttps://github.com/hondaya14
LinkedInhttps://www.linkedin.com/in/yasuhisa-honda/

Experience

CompanyDatesTitleDescription
LY CorporationOct 2023 - PresentSoftware EngineerSeconded to Demae-can; responsible for backend development, microservice development/improvements, tech lead, and project management.
LINE CorporationApr 2023 - Oct 2023Software EngineerSeconded to Demae-can; responsible for backend development.
Dentalight, Inc.Jun 2018 - Sep 2022Software Developer (Part-time)Software development.

Education

InstitutionDepartment/MajorDurationDegreeMajor
Kyushu Institute of TechnologyFaculty of Computer Science and System Engineering2017 - 2021Bachelor'sBioscience and Bioinformatics
Kyushu Institute of TechnologyGraduate School of Computer Science and System Engineering2021 - 2023Master'sCreative Informatics

Certifications

CertificationDate
IPA Fundamental Information Technology Engineer Examination (FE)2021
IPA Applied Information Technology Engineer Examination (AP)2022

Talks

TitleEventDateSlides
Why not use Kotlin? - Kotlin for Java DevelopersJJUG CCC 2025 FallNov 2025https://speakerdeck.com/hondaya14/why-not-use-kotlin-kotlin-for-java-developers
The Pitfall of Kotlin's Null SafetyInternal LTNov 2025https://speakerdeck.com/hondaya14/the-pitfall-of-kotlins-null-safety
Spring Boot 3 migration for a server-side applicationKyoto Tech Talk #3Dec 2023https://freee.connpass.com/event/304573/

Publications

TitleOutletDateURL
“-1 → 1” microservice development in large legacy modernizationLY Tech BlogJul 2025https://techblog.lycorp.co.jp/ja/20250708a
Spring Boot 3 upgrade for Demae-can coupon serviceLY Tech BlogDec 2023https://techblog.lycorp.co.jp/ja/20231208a

OSS

ProjectDetailsURL
JetBrains/kotlinKT-20357: Add getOrElse sample for Collectionshttps://github.com/JetBrains/kotlin/pull/5482

Languages

LanguageLevel
JapaneseNative
EnglishBasic