Data Science Engineer

at Rakuten (view profile)
Location Tokyo, Japan
Date Posted November 29, 2018
Category Japan - Working visa Jobs
Job Type python



Rakuten group has almost 100 million customer base in Japan and 1 billion globally as well, providing more than 70 services in a variety such as ecommerce, payment services, financial services, telecommunication, media, sports, etc.

Following the strategic vision “Rakuten as a data-driven membership company”, we are expanding our data activities across our multiple Rakuten group companies. We are looking for a Data Science Engineer to work within one of the following departments:

    Commerce company (gathering our Ecommerce businesses like RakutenIchiba, Rakuten Travel, etc.)

    FinTech company (gathering businesses like Rakuten Card, Insurance, Banking, Securities)

    Global Data Supervisory Dept. (holding company’s department developing high tech data products and delivering internal data consulting)


    Computer science or related background

    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


    Experiences in web service development in multiple industries.

    Solid knowledge of large volumes data processing

    Experience with Big Data ML toolkits, such as Mahout, SparkML, or H2O

    Experience with NoSQL databases, such as HBase, RedisCouchBase

    Familiar with data mining concepts and machine learning algorithms

    Experience with Spark and stream-processing systems, using solutions such as Storm or Spark-Streaming

    Knowledge of various ETL techniques and frameworks, such as Flume


    Your application will be reviewed by the different companies.If your application is successful, you will receive an interview invitation with a full job description for each position you have been selected for. 

    You can decide whether you would like to move forward for a given position or not. 

    You can have several interview processes for different positions in parallel (this will not affect the final result).

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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