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Data Scientist - Data Intelligence Department, System Division, Rakuten Card Co., Ltd.

RakutenFukuoka, Japan

12 days ago

Job description

Description

Business Overview

Payment systems, including credit cards, electronic money, and web / app-based payment systems, have become an integral part of our daily lives. Rakuten Card boasts over 30 million issued cards and has achieved the No.1 position in Japan for credit card shopping transaction volume (self-issued basis)

1. Even as an industry leader, we continue to grow without slowing down, aiming for the ambitious "Triple 3" goals : 30 million issued credit cards, 30 trillion yen in shopping transaction volume, and a 30% market share in the credit card industry.
1 Based on shopping transaction volume of self-issued credit cards in Japan for FY2023, according to Yano Research Institute Ltd. (as of November 2024).

This research result is an estimate based on qualitative research and analysis methods.

DepartmentOverview

Our system department handles all systems supporting Rakuten Card's service lineup, including responding to the rapidly increasing number of members and transaction volumes, as well as enhancing the functionality of Rakuten e-NAVI and the Rakuten Card app. The scope of responsibility spans payment systems, debt management systems, Rakuten e-NAVI, the Rakuten Card app, and call center systems.

Working with us provides the opportunity to engage in cutting-edge technology from the upstream stages, offering engineers a highly stimulating experience.

Why We Hire

Rakuten Card is seeking data engineers to support new improvements and projects aimed at unlocking the value of existing data as part of our efforts to achieve the "Triple 3" goals. Our team aims to leverage data for all Rakuten Card services.

We focus on building data infrastructure, organizing various data, providing data to different business units, and promoting data utilization for all Rakuten Card services.

Responsibilities :

Build data pipelines and data warehouses, as well as provide integrated analytics environments, including BI tools.

Define data collection requirements in collaboration with business teams and create new revenue-generating services using data.

Work Environment :

Mid-career hires : 60%

New graduates : 40%

Backgrounds : SIers, web-based system development companies, etc.

OS : Linux, RHEL, Ubuntu

Mandatory Qualifications

Business-level communication skills in Japanese or English Knowledge of computer science or related fields

Basic understanding of statistics

Ability to work independently and collaborate with international colleagues

Software development experience, particularly in Python and Java

Experience implementing machine learning frameworks such as TensorFlow, scikit-learn, PyTorch, or Keras

Basic knowledge and operational skills in Linux

Knowledge of SQL and relational databases

Desired Qualifications

Knowledge of data science methods such as regression, decision trees, and clustering

Experience in natural language processing using neural networks

Experience managing and operating big data using tools like Spark, Parquet, Hive, Impala, or Kafka

Experience designing, developing, and operating AI infrastructure using cloud or Kubernetes

Experience analyzing data using data warehouses or BI systems

Practical experience in developing and operating business systems involving large-scale data and transactions

Additional Information About the Location

Fukuoka Office

Additional information on Secondment

You will be employed by Rakuten Group, Inc. and seconded to Rakuten Card Co., Ltd.

For more information, please refer to the links below :

About Company

History of the Rakuten Brand

Rakuten Group as a Global Company

Giving Back to Society

Latest Company News

Press Release

Investor Relations

Video Links

Other Rakuten Group Activities

Conditions of Employment

Rakuten Group Employee Benefits

engineer #datascientist #fintechgroup #RakutenCard

Languages :

Japanese (Overall - 1 - Beginner)

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Data Scientist - Data Intelligence Department, System Division, Rakuten Card Co., Ltd. • Fukuoka, Japan