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Data Scientist, Ads

Shibuya, Tokyo, Japan💼 Full-time🗓 2026-09-14 → 2026-09-26

Core

Drive ad product evolution through end-to-end decision science, balancing ad revenue with core user experience via analytics and experimentation.

Role type

Data Scientist (Advertising)

Builds

Analytical data pipelines, self-serve dashboards, and ad ecosystem metrics for business partners.

Domain

Online advertising and news discovery

Deliverable

production ML models | product features | dashboards & analysis

Required skills

Advanced SQL, Python or R, online experiment design, statistical modeling, causal inference, business analytics

Preferred skills

Causal inference, mathematical modeling, data engineering systems (Airflow, dbt), data warehousing

Technologies

Trino, Hive, RDS, Python, R, Airflow, dbt

Responsibilities

Partner cross-functionally to translate ad strategy into analytical frameworks; Perform exploratory analysis and impact-size estimation on ad ecosystem data; Design and evaluate A/B tests and quasi-experiments; Build domain-specific analytical data pipelines and self-serve dashboards; Deliver strategic recommendations to guide ad product roadmaps.

Seniority

Individual Contributor

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