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R&D Scientist
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Rakuten, Inc.
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00010880 Requisition #
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 Scientist to work within one of the following departments: 
  • Commerce company (gathering our Ecommerce businesses like Rakuten IchibaRakuten 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) 
 


Requirements:

  • Bachelor’s degree in Computer Science, Social Sciences, Physical Sciences, Statistics or related areas.
  • 3+ years of relevant work experience in data analysis or related areas.
  • Solid understanding of foundational statistics concepts and ML algorithms: linear/logistic regression, random forest, boosting, GBM, NNs, etc.
  • Experience building data science solutions for real business problems. (e.g. recommendation building, customer journey definition, shopping feature prediction, etc).
  • Skilled in self-directed exploratory data analysis.
  • Passion for learning (new problem domains, algorithms, tools etc) and for analyzing data.
  • Fluency in using R or Python (pandas, scikit-learn or equivalent tools) for data analysis. Experience with working on large data sets, especially with Hadoop and Spark, or cloud platforms such as AWS and Azure.
  • Ability to extract, combine and analyze complex datasets using SQL.
  • Ability to work collaboratively in a team environment and work effectively with people at all levels in an organization.
  • Ability to distill complex data and findings into clear, presentable reports.
  • Ability to effectively communicate with non-technical as well as technical audiences.

 

 

Preferred:

  • Master’s degree in Computer Science, Social Sciences, Physical Sciences, Statistics or related areas.
  • 3+ years of industry experience especially in digital marketing, e-commerce or customer analytics-related fields.
  • Experience with GPU usage.
  • Experience integrating and analyzing data from multiple sources (e.g. first party + third party)
  • Experience with automation and/or working with Data Engineers, Software Engineers, etc. in integrating analysis results and models into production systems.
  • Experience in client relationship management such as consulting or sales.
  • Communication skill in both English and Japanese
  • Experience with data visualization tools, e.g. tableau, D3.js, ggplot, Bokeh, Matplotlib, etc.

 

 

Process:

  • 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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