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Data Scientist

Japan, Tokyo, TokyoDATA & Air360

Job description

Scalefast helps amazing brands develop a successful Direct-to-Consumer online business. Our next-generation technology platform is built to optimize modern eCommerce. Our end-to-end infrastructure includes global merchant-of-record agreements, fulfillment, subscription, loyalty programs, and finance functions to deliver new revenue and delightful brand experiences. Scalefast has proven itself with global brands like L’Oréal, Sega, Square-Enix and Flir.

We are building a Machine learning Team in Japan to expand the Scalefast analysing service "Air360".

Air360 is an analytic platform that collects billions of eCommerce data of users from websites. You can learn how the user is buying and moving on eCommerce websites by analyzing the data. Since you can track detailed steps of how the user is moving, Air360 will enable you to know 'Why they bought something' or 'Why they didn't buy by analyzing the steps and getting insights from it. This helps eCommerce to increase conversion rates!

Our mission here in Japan is to analyze user movement on eCommerce website and find insight which will help to make Air360 stronger.


・Construct analysis platform for data scientists

・Adapt appropriate machine learning algorism, and tools to the platform above

・Adapt appropriate dataset and construct machine learning model

・Conduct accuracy evaluation of learning model and fine-tuning

・Expand and replace existing machine learning library

What do we offer?

・Great office location – Coworking space at Spaces Ohtemachi via a coworking membership

・2 days a week working from home

・Continuous learning (Brilliant. org membership+online education on case by case basis)

・Become part of a multi-cultural happy family where you can contribute with your experience and learn from the experience of others

・Get the opportunity to influence the future of our services and platform

・Gym voucher

・Weekly team building (lunch/dinner)
・Team building activities ( outdoor activities / short trips) if Covid allow

Job requirements

Must Skill

・Have a degree in computer science, mathematics, physics or similar experience

・Experience and has knowledge of statistical analysis

・Experience of conducting accuracy evaluation with data analyzing projects

・Experience of using Python, Java, R, C# to implement machine learning

・Native level Japanese. Business level English, mainly writing skills

・Currently living in Japan

Plus Skill

・Has experience of analyzing data for web and mobile platform

・Has experience of using Postgresql, Clickhouse, Bigquery

・Has experience of using AWS, GCP, Azure and other cloud platform

・Has experience of using Streamlit framework

・Has experience of using machine learning framework of Explainable AI (SHAP, ELI6..) 、AutoML