Server-side Engineer (back-end)

Location: Tokyo, Japan      Department: Engineering      Type: Full Time     Min. Experience: Mid Level


Asken Diet is a health tech venture company headquartered in Tokyo where it manages it's apps for the Japanese and North American markets. The Asken Diet app is the #1 Health & Fitness app in Japan on both the iOS and Google Play app stores. With millions of users in Japan, we made the decision to expand to North America, releasing our app in the U.S. and Canada. Our users log meals, track exercises and shed weight to hit their diet goals. On average, new users lose 8lbs. in their first three months using Asken Diet. Our engineers worked with our team of hundreds of licensed nutritionists and dietitians to build a custom artificial intelligence that generate tailored diet advice for each user. We partnered with Sony who built an industry-leading food photo recognition technology that allows users to log and track their meals with just a photo.


As a core member of our engineer team, you will have the opportunity to join a growing global team serving our new English-based app serving Canada and the U.S. We have close partnerships with tech companies like Google, Apple, Amazon and Fitbit as we work to expand the Asken Diet app function across their various platforms. From voice recognition for Alexa or Siri to our Fitbit Ionic app, we are looking to add someone new to our growing development team as we expand Asken Diet globally.

You will be working with the development team daily writing code in PHP and gradually enhancing your skills and taking on more sophisticated tasks. You will be responsible for developing, testing and maintaining the server side operations for our overseas service.

To be successful in this role you will be required to demonstrate the following:


  • Experience with PHP (CakePHP preferred), Python or Ruby
  • Experience with AWS
  • Japanese communication level

Bonus skills:

  • Experience with Amazon Aurora / MySQL
  • Experience with LAMP
  • Knowledge of Scrum
  • Knowledge of DB structure
  • Track record of development from planning, design, test, & deployment 

Other details:

  • Salary: ¥5 million - ¥8 million yen (depending on experience)
  • Benefits:
    • Health insurance
    • National holidays
    • Year-end and New Year holidays
    • Annual paid vacation
  • Interview process:
    • Document review
    • Individual interview (2 rounds)
    • Group interview (by Executive team)  
  • Location: Tokyo Opera City Tower 28F, Nishi-Shinjuku 3-chome, Shinjuku-ku, Tokyo (map)
  • Trial period: 3 months
  • Hours: 10:00 - 19:00 (w/ flex system)