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Senior Android Engineer - Travel Development Department (TDD)

Tokyo, Japan💼 Full-time🗓 2026-07-09 → 2026-07-31

Core

Design and implement new features for Rakuten Travel's Android applications, focusing on global expansion and customer satisfaction in Japan.

Role type

Senior Android Engineer

Builds

Consumer-facing travel reservation mobile applications

Domain

Travel / Mobile Development

Deliverable

production ML models | product features

Required skills

Kotlin, Android Architecture Components (ViewModels, Navigation, Compose, Flow, DI), Functional and Reactive Programming, Data Binding, Live Data, Unit Testing, CI/CD, Gradle, Retrofit, Glide, Coroutines, Google Maps API

Preferred skills

Travel domain knowledge, Internationalization (i18n), Material Design guidelines, Multi-module/flavor architecture, Open source contributions

Technologies

Kotlin, Android Studio, IntelliJ, Jenkins, Bitrise, Git, Hilt, Dagger, Gradle, Retrofit, Glide, Coroutine, Google Maps

Responsibilities

Collaborate with Product Managers and UI/UX Designers to design and implement new features; Partner with API developers to maintain scalable systems; Research and evolve Android technology stack; Apply latest Android features to enhance products; Refine technologies and processes for effective solutions.

Seniority

Senior, hands-on IC

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