Senior Machine Learning Scientist (ROAS) - Tokyo

The role

You will build identity graphs to enrich unified customer profiles and identify high purchase value users. You will use machine learning models to drive ROAS and partner with product, backend, and frontend stakeholders.

What you will do

• Leverage scientific methods to build identify graph and identify high-value users
• Drive online experiments to continuously improve ROAS
• Own the project independently
• Partner with product stakeholder, backend and frontend to provide measurement solution for our customers

Required qualifications

• 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
• Experience to 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

About the company

Appier is an AI-native Agentic AI as a Service (AaaS) company that uses artificial intelligence to power business decision-making. It is listed on the Tokyo Stock Exchange.