About PayPay

Minato-ku, Tokyo

With over 47 million registered users (as of May 2022), PayPay is the country’s most popular mobile wallet. Half of all of Japan's smartphone users are using it, and more than 2 billion payments made per year.

Key benefits

  • International engineering team
  • Japanese lessons on company time
  • Incredible scale

About the position

PayPay is looking for a Kotlin Multiplatform Mobile Engineer to build and maintain high quality and robust SDKs for development teams.

Responsibilities

  • Work closely with our App platform team to build and maintain core business logic SDKs
  • Support integrations with our Android and iOS feature teams
  • Active on improvement at platform/structure level
  • Define and follow coding standards, architecture principles, code reviews, build processes and testing
  • Promote collaboration by mentoring and sharing knowledge

Tech Stack

  • Kotlin, Gradle
  • Ktor, Coroutines, SQLDelight
  • Github, Android Studio
  • Firebase, AppsFlyer
  • Slack, Zoom

Requirements

  • Deep understanding of modern mobile development
  • Strong in Object Oriented design and Kotlin
  • Experience with the Android development
  • Strong passion for code quality and are not allergic to test cases
  • Familiarity with integration of Rest API
  • Strong sense of ownership
  • At least one mobile app you can show off in the interview
  • At least 3 years of professional experience.

Nice to haves

These aren’t required, but be sure to mention them in your application if you have them.

  • More interest in KMM/platform work rather than feature development
  • At least one year of experience in KMM
  • Experience with GA/CI/CD tool(e.g. Bitrise)
  • Ability to develop SDKs while conducting unit tests
  • Knowledge of performance optimization
  • Ability to communicate with platform members and other development team in English
  • Familiarity with Agile development
  • Experience integrating and development payment service

Compensation

6.5 to 14 million JPY annually.

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