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【Rakuten Development（CCBD）】Data Science Engineer
| Hiring Company | 非公開 |
| Location | Tokyo - 23 Wards |
| Job Type | Permanent Full-time |
| Salary | 5 million yen ~ 12 million yen |
Job Description
【求人No NJB2126398】
【About the CCBD Division】
The CCBD Division supports Rakuten's three business stakeholders （clients end users and internal staff） with four areas of technology; Data Business Support/Accounting Solutions and CRM. Data Business Support/Accounting Solution and CRM.
【Job Description】
About the department and services
The Data Science team is responsible for providing data science solutions to Rakuten Travel's product （website/smartphone app） marketing sales advertising quality control and other departments. Using machine learning and mathematical optimization approaches we make direct and quantitative contributions to Rakuten Travel's bottom line.
【Position】
The activities of the Data Intelligence Office consist of 1. clarification of business issues 2. algorithm development 3. online evaluation （AB testing etc.） and 4. production system development.
This position is responsible for the development of the system for AB testing （No. 3） and the development of the production system （No. 4）.
【Job Description】
Working closely with data scientists and other engineers you will focus on the following tasks
（1）Developing highly scalable data pipelines
（2） DevOps and MLOps for data science including infrastructure
You will be involved in the development and operation of a wide range of applications running our machine learning algorithms and A/B testing systems both real time and batch systems.
【Working Environment】
The percentage of foreigners in the department is high and the official language is English. There are members who are good at algorithm development and members who are good at system development.
More than half of the members are from mid career. We have members with backgrounds in mathematics physics and computer science.
Google Cloud Platform （GCP） : All functions Rakuten internal systems : VMs （Linux/Windows） Teradata Hadoop Hive Spark Kubernetes Kafka Airflow GitHub CircleCI Couchbase Datadog
If you do not have all of these experiences but are still interested please feel free to apply.
General Requirements
| Minimum Experience Level | No experience |
| Career Level | Mid Career |
| Minimum English Level | Business Level |
| Minimum Japanese Level | Native |
| Minimum Education Level | Bachelor's Degree |
| Visa Status | Permission to work in Japan required |
Required Skills
【Required Qualifications】 ・Proficiency in Python and SQL. ・Ability to develop quick high quality APIs using Python or GO. ・Basic knowledge of machine learning. ・Ability to develop data pipelines and real time processing using Airflow Kubeflow Kafka Spark etc. ・Familiarity with NoSQL/RDB （e.g. MySQL BigQuery MongoDB CouchBase） ・At least 3 years of experience equivalent to the above ・Bachelor's degree or higher ・Fluent in English. 【Welcome requirements】 ・At least 5 years of experience equivalent to the above ・Basic DevOps skills （CI/CD monitoring etc.） ・Ability to convert existing Python code to GO C++ Rust etc. ・Proficiency in serverless development such as AWS/Lambda GCP/Cloud Run etc. ・Business level Japanese language skills.Job Location
- Tokyo - 23 Wards
Work Conditions
| Job Type | Permanent Full-time |
| Salary | 5 million yen ~ 12 million yen |
| Holidays | 【有給休暇】初年度 10日 3か月目から 【休日】完全週休二日制 national holidays summer and … |
| Industry | Internet, Web Services |
Job Category
- IT, Web and Communication > Web Developer
- IT, Web and Communication > Software Developer
- IT, Web and Communication > Database Engineer, Architect
