CareerPlan

Data Engineer - FMCG Customer Strategy Section, FMCG Customer Strategy Department (C&M)

Tokyo, JapanFull-time2026-07-03 → 2026-11-12

Core

Extract and analyze customer purchasing and website visitor data to drive UI/UX improvements and sales revenue for Rakuten 24, a D2C e-commerce store.

Role type

Data Engineer (E-commerce)

Builds

Databases, data marts, and BI dashboards for an e-commerce platform.

Domain

E-commerce / Retail

Deliverable

dashboards & analysis

Required skills

SQL, BI tools, Data extraction, Data validation, Requirements definition

Preferred skills

RDBMS design, NoSQL databases, Data warehouse construction, Generative AI, Google Cloud services

Technologies

MySQL, PostgreSQL, Oracle, MongoDB, Cassandra, Google Cloud (BigQuery, Looker, Cloud Run, Vertex AI)

Responsibilities

Design and build new databases/data marts; Create and maintain BI dashboards; Create SQL queries for data extraction and analysis; Define requirements and validate data; Conduct A/B testing and PoCs for new tools.

Seniority

Mid-career (70% of hires) / New graduate (30%)