Ruby Engineer for Big Data/AI startup *No Japanese is required

No/Low Japanese (Engineer)
IT start up


The company is trying to create the positive impact in the world through working on new business creation fully utilizing the advanced technology.

Their core technology is deep learning. Although Deep Learning has been gaining a lot of attentions, however not so many companies have made success in commercializing the deep learning technology.

Since its establishment, the company worked on R&D of deep learning and made the success in the filed particularly “in-store marketing”. They are also using big data analysis and computer vision aside from deep learning.


■  Corporate culture:

The company organizes study session on a regular basis where the employees bring their favorite topics and discuss within the team. Some of the topics they covered recently are image analysis and data analysis. The company is very famous for highly technical engineers such as CTO who got awarded as one of the top engineers by Japanese government. There are people who made the contribution to make billion-yen profit by creating good data analysis system. One of the famous professors from University of Tokyo is helping the company as a special technical advisor. 

Minato-ku, Tōkyō-to, Japan

Job Description

 ■Job Description:

You will be working on developing tools which will be accompanied to the company’s data analytics platform which conducts holistic analysis of real space analytical data as well as sales data

You will be contributing to further improvement/growth of the product

You will be able to work on Rails development which will be critical for server less architecture

You will make PaaS specifically focusing on IoT data

You will work on SSO, Spart setting tool

Depending on your interest/skill set, you may be able to work on latest technology such as AWS Kinesis, EMR, Spark, AWS Lambda etc.….


■Development environment

You will be using Ruby for Programming language with framework of Ruby on Rails. They use AWS, EC2, Heroku for the server and manages the source in Github. They use Pandas for main library. For CI tools they use Circle CI.


・More than three years of professional experience of web development using Ruby on Rails

・Web application development experiences using Ruby on Rails as full scratch


  ■ Global aspects

・  There are already people from more than 7 countries working

・  In the engineering team, everyone communicates in English

・  However if you are willing to improve your Japanese, other Japanese colleagues will help you improve your Japanese

・  Very good work life balance   


 ■ Work conditions

・  Salary: New graduate from 200,000 JPY monthly, mid-career 250,000JPY to 300,000JPY

 ・  Various social insurances

・  You can wear jeans to the company. You can wear headphones during the work if you want to

 ・  Work hours: 10:00-19:00 (1 hour break)

 ・ Holiday: Saturday, Sunday, national holiday, summer holiday, end of year and new year holiday

 ・  Transportation costs will be fully covered


  *Please note that the position is only for those who are currently residing in   Japan*


How to Apply


If you are interested in this position, please apply here with the relevant Japanese and English CV/resume uploaded. Upon your submission of application, we will contact you for the follow-up questions to complete your application. 


First the organization will be screening your resume and .  If you have been selected for the next round interview, we will disclose you the name of the company. 




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