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Rakuten, Inc.
00010883 Requisition #
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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 Rakuten Ichiba, 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). 

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