Data Engineer

WealthNavi

Data Eng

Fintech

SQL

Python

About this role

WealthNavi, Japan's leading robo-advisor, is building a general financial platform, with an AI service at its core and a new digital bank planned with MUFG Bank. Its robo-advisor now serves about 450,000 users, and the data volume and complexity are growing sharply. The Data Engineer rebuilds the data platform to stand up to ten times the growth.

Duties include designing data platforms and pipelines across AWS and GCP with secure permissions and data transfer, writing maintainable Python pipelines (DAGs) in workflow tools such as Airflow, data modelling and system design from business analysis needs, managing metadata with a data catalog and automating data-quality checks, handling the security demands of a financial institution, failure monitoring and dependency clean-up, and optimising performance by scaling managed tools and removing bottlenecks.

Applicants need three or more years of ETL design and from-scratch building, three or more years of data-processing code in Python, Go or Java, experience with GCP or AWS, experience defining and carrying out analysis for business problems, and the ability to gather requirements from many parties. Large-scale ETL, dbt-based quality checks, web application development, query review and dashboard building are preferred.

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