AP
Appier· HQ in Taiwan

Senior Machine Learning Scientist (ROAS)

Location: Tokyo, Japan · Category: Data, AI & Analytics · Seniority: Senior · Posted: August 1, 2026 · Verified: Oct 5, 2026

Role Overview & Description

This senior role focuses on developing machine learning models to optimize return on ad spend (ROAS) for advertising campaigns. The scientist will build predictive models, conduct causal analysis, and collaborate with product teams to improve campaign performance and client outcomes.
Source & Transparency: This position was structured directly from the publicly accessible career portal of Appier. Details on the employer’s original job posting are authoritative. Polaris7 charges no placement fees and conducts no candidate screening.

About the company

AP

AI software for advertising, personalisation and customer data activation.

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