Senior Machine Learning Scientist(ROAS) - Tokyo
AppierChiyoda, Japan
Posted January 8, 2026
Full Time
About the Company
Appier is a software-as-a-service (SaaS) company that uses artificial intelligence (AI) to power business decision-making.
Job Description
Appier is seeking a Senior Machine Learning Scientist to join our Advertising Cloud Optimization team. The role involves building an identify graph to enrich unified customer profiles and identifying high-purchase value users to drive return on ad spend (ROAS) using machine learning models.
Requirements
- Master's or PhD's degree in Computer Science, Machine Learning, Statistics, or related field.
- 3+ years of industry experience on identify graph, ID mapping and cross-device mapping in digital Ads related fields, and generate mapping and profile under large-scale data.
- Proficiency in Python and SQL experience with modern ML frameworks (PyTorch, TensorFlow, etc.).
- Strong ownership and collaboration skills.
