Android engineer

iOS/Android Engineer

About the company
Founded in 2007 with the mission to "share knowledge and experience of native speakers around the world", this company aims to provide global language learning services.

The business of this company is to provide Q & A services for foreign language learners. Their web platform has over 15 million monthly active users, and their mobile app has over 5 million users worldwide, winning a Best Award on Google Play in 2019. Their service continues to grow towards a global audience.

They already have foreign members and engineers on the team. Their goal for the future is to aim for more than 100 million unique users.
Corporate Culture
The company has the following values.
1. Let's scale globally
2. User Centric
3. Numbers are a common language
4. Humility, Respect, Trust
5. Self Driven
Global Aspects
  • Already foreign employee(s) working
  • CEO/Executive is a foreigner
  • Many employees speak English
  • Actively pursuing diversity at the work place
  • Market research overseas
PR Aspects
[Full welfare program]
・ Provides a great development environment for engineers / designers
・ Purchase of books and tools is paid by the company
・ Rent subsidy within a 10-minute walk from the office
・ It is OK to go to yoga or gym during full remote work or working hours!

・ 40% of members are engineers
・ 60% of members are in their 30s
・ Members from Japan's top startups, foreign-affiliated consulting companies, etc. are enrolled
Other details
  • Flex time system
  • Leadership team shares strategy regularly
  • Structured On-boarding after you join the team
  • Values clearly defined
  • You can work from home
  • Training opportunities
  • No dress code
  • Visa support
  • Regular one-on-one
  • More than 20% of employees are female
  • Regular corporate event (once every month or more)
  ・Development of new features and maintenance of mobile app
  ・Collaborate with teams to define, design, and develop new features
  ・Work with outside data sources and APIs
  ・Unit-test code usability, and work on bug fixing and improving performance

[Technology stack]
  ・Language : Kotlin
  ・Environment : Android Studio
  ・Build tool : Gradle
  ・CI / CD : CircleCI
  ・Other : Github, Slack, Figma, Zube, Qiita Team

※Please note that the position is only for those who are currently residing in Japan only
・ More than 3 years of development experience in Kotlin
・ A total of 6 months or more of Android application development experience in the last year
・ A total of 2 years or more of Android application development experience in business
・ Experience developing Android apps with multiple people
Japanese Level
  • Advanced
・ Experience of publishing or contributing OSS
・ Experience using RxJava and Kotlin Coroutines
・ Experience using and installing Android Jetpack
・ Experience in speaking and writing at conferences
・ Experience of attending conferences such as DroidKaigi
Type of people (Personality)
・ Those who find the company's mission interesting and have a strong interest in products and technology.
・ Those who are interested in learning a foreign language and want to create a service that can be used all over the world.
・ Those who want to grow rapidly in a challenging environment
・ Those who can get along in a team
Annual Expected salary (Minimum)
Annual Expected salary (Maximum)
Transporation cost coverage
  • up to 20,000JPY
Work hours
10:00 - 19:00
  • Yes
  • End of Year and New Year Holiday
  • Saturday
  • National Holiday
  • Sunday
  • Worker’s Accident Compensation Insurance (労災保険)
  • Health Insurance (健康保険)
  • Unemployment Insurance (雇用保険)
  • Welfare Pension Insurance (厚生年金保険)
Other benefits
  • You can choose your own PC type
  • Conference/event participation support
  • Book purchase support
  • Special Housing Allowance
・Full remote work:OK

・Discretionary labor system

・Special Housing Allowance: Those who is living 10 minutes distance on foot will be paid 30,000JPY/month.

・Book purchase support: Unlimited