A Tokyo-based AI company focused on financial services is hiring a Senior Data Scientist to lead high-impact machine learning and AI projects for major financial institutions.
This is a hands-on lead role for someone who wants to own the full path from business problem → modeling strategy → feature engineering → model evaluation → MLOps design → production impact.
You’ll work with banks, financial groups, and other enterprise clients on real-world use cases where data science directly connects to business value.
What you’ll lead:
ML / AI projects for major financial institutions
Modeling and evaluation for structured / tabular data
Python-based data processing, feature engineering, and model development
MLOps design, model monitoring, and continuous improvement
Technical proposals and requirements definition with consultants and clients
Mentoring, code review, and technical support for junior / mid-level data scientists
Turning reusable analysis patterns into internal assets, packages, and product ideas
Great fit if you have:
3+ years of practical machine learning experience
Strong experience with structured / tabular data
Python experience for model development, evaluation, and operations
Technical lead or PM experience in data science projects
Advanced Japanese, around JLPT N1 level
Why this is juicy:
Compensation up to JPY 25M
Remote first
Full flextime with no core time
International team environment, with English used in some internal meetings
Sports allowance, pension plan, health checkups, family flu vaccination support, childcare support, and relocation support for eligible employees