Senior Data Science Engineer

at Rakuten (view profile)
Location Setagaya, Japan
Date Posted June 4, 2017
Category Japan - Working visa Jobs
Job Type python


Job Description

Position Summary:

We are seeking highly motivated data science engineers to work together with our data scientists to create various data science solutions for the rapidly growing Rakuten group, which provides 50+ services to more than 80 million users in Japan and 300 million users around the world.

Some numbers:

  • 55.9 billion USD of global gross transaction volume on our various platforms
  • 31 million search queries everyday
  • 2 transactions every second on Rakuten Travel
  • 200+ million items sold every year on our e-commerce platforms
  • 2 milions active accounts on Rakuten Securities


  • Designing and building a data science platform with selecting various big data processing tools and frameworks
  • Implementing ETL process of huge structured/unstructured data sets in various data platforms
  • Solving business or development problems by proposing and implement solution with the latest data science technologies
  • Developing and maintaining production level data science products with other data science engineers and data scientists
  • Creating insight reports or implementing visualized report system

Minimum Qualifications:

  • 5+ years’ experience in software development, especially using Python as a programming language
  • Experience with common Linux commands and Linux scripting languages
  • Experience with Hadoop, MapReduce, HDFS and Big Data querying tools, such as Tez, Hive, and Impala
  • Experience with designing and building tools based on specific requirements
  • Experience with building and maintaining data science platform
  • Experience with SQL and some of the modern relational databases
  • High communication skills

Preferred Qualifications:

  • Be able to work in a team-oriented environment
  • Be able to work autonomously in Agile Scrum processes 
  • Solid knowledge of large volumes data processing
  • Experience with Big Data ML toolkits
  • Experience with NoSQL databases, like Cassandra, MongoDB
  • Experience and knowledge in building or maintaining data science solutions
  • Familiar with data mining concepts and machine learning algorithms

Our goal: Empower the world through innovative Internet services. With more than 70 services and 12,000 employees worldwide, Rakuten is expanding globally with locations throughout Asia, Europe and the Americas.

Visa Assistance

Open to assisting the right candidate with the following Visa(s) / Work Permit(s)

1) Japan - Working visa Jobs

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