Search Data Scientist Machine Learning Group

求人ID : 5863
投稿日 : 2021-10-12
業界 : Internet
雇用形態 : 正社員, 常勤
必須スキル : English2, Java, SQL, NoSQL , Python , Statistics, Mathematics, Physics
市区町村 : Setagaya-ku
都道府県: Tokyo
国 : Japan
年俸 : 8,000,000 ~ 10,000,000


Position Name: Search Data Scientist Machine Learning Group


In this position, you will focus your Stats/ML algorithm design skills on improving search results while working closely with software engineering members. Recognizing potential applications of ML and statistical methods for the settings where nobody realized them before will address most of the challenges that you will meet; but in the end, this is an algorithm design position, thus prior experience in designing novel ML algorithms or statistical methods will drastically improve your success rate. Ideally, you are familiar with dynamic choice of state abstraction/learning state-space representation/utile distinctions methods and ready to implement them on large scale.

  • Demonstrably increase the business value of e-commerce search by designing and improving 
    feedback loop algorithms.
  • As a data scientist, cooperate with developers and business staff.
  • Design highly available systems while cooperating with operation staff.


  • 5+ years actionable data analysis experience, preferably in e-commerce
  • Experience working with very large data sets
  • Experience with distributed systems
  • Working knowledge of NoSQL storage technologies and Hadoop ecosystem
  • Strong software development ability in Java, Python or another general-purpose language (s)

Preferred Qualification

  • Ph.D. or equivalent practical experience in Statistics, Machine Learning, Applied Mathematics, Physics, Optimal Control, Computer Science, or other quantitative science.
  • Reinforcement Learning, statistical machine learning, or categorical data analysis background
  • Excellent communication skills

Holidays and Benefits

  • Five-Day Workweek
  • Summer Holidays
  • Winter Holidays
  • Refresh Holidays
  • Benefits (pension, health, employment, unemployment)
  • Commuting allowance
  • Employee stock ownership plan
  • Discounted sports club
  • Visa support
  • Childcare

About Hiring Company

The largest eCommerce company in Japan, and the third-largest e-commerce marketplace company worldwide.
The organization provides a variety of consumer and business-focused services including e-commerce, e-reading, travel, banking, securities, credit card, e-money, portal and media, online marketing and professional sports
[Measures against passive smoking]
No smoking indoors allowed
Designated smoking area