Kittinun Vantasin
Software Engineer at DoorDash
Tokyo, Japan
Summary
🤩
Rockstar🎓
Top SchoolKittinun Vantasin is a seasoned mobile software engineer based in Tokyo with over 15 years of experience and 11 years focused on shipping production mobile apps across Android and iOS. He specializes in Kotlin and Kotlin Multiplatform, having led platform teams to build SDKs that became core modules for large apps at PayPay and Mercari. A hands-on tech lead and engineering manager, he blends architecture, developer experience improvements, and pragmatic tooling to make teams more productive—such as leading a codebase migration to Kotlin and launching the Merpay SDK. Currently at DoorDash, he continues contributing to prominent community projects (e.g., DroidKaigi conference app) and large-scale consumer apps. His background spans startups to enterprise systems and includes an MS in Computer Science, reflecting a mix of research-minded rigor and product-driven delivery. Notably, he balances deep technical craft with people leadership, often surfacing developer-facing solutions that scale across teams.
11 years of coding experience
11 years of employment as a software developer
BS, Computer Science, BS, Computer Science at Chulalongkorn UniversityUniversity of Missouri
English, Thai
Github Skills (11)
kotlin10
composeforweb10
android-application10
compose-web10
android-app10
android-apps10
android10
android-compose10
compose10
fdroid9
ui-design8
Programming languages (8)
Github contributions (5)
DroidKaigi/conference-app-2022
Sep 2022 - Sep 2022
The Official Conference App for DroidKaigi 2022
Role in this project:
Mobile Developer (Android)
Mobile Developer (Android)Contributions:30 reviews, 64 commits, 14 PRs in 23 days
Contributions summary:Kittinun contributed to the official DroidKaigi 2022 conference app, focusing on the implementation of the about section for auxiliary information. Their work involved adding UI elements, defining the structure of the "about" section, and incorporating auxiliary information rows that include access, staff, privacy policy, and license information. They also made minor modifications to build files and session detail descriptions.
kotlin-multiplatformandroiddroidkaigiandroid-appkotlin
kittinunf/Statik
Feb 2018 - Apr 2020
A simple static list information backed by RecyclerView for Android in Kotlin
Contributions:11 releases, 93 commits, 120 PRs in 2 years 2 months
recyclerviewandroid-libraryandroidkotlinkotlin-android
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