Senior Data Scientist, Business Data Solution Group - Business Support Development Department (BSD)
Core
Develop and operate AI solutions and data platforms for Rakuten Ichiba's fraud detection and business growth using machine learning and generative AI.
Role type
Senior Data Scientist (Fraud Detection & AI Solutions)
Builds
AI solutions for fraud detection, predictive analysis, and automated customer behavior analysis
Domain
E-commerce, Financial Services, Fraud Detection
Deliverable
production ML models
Required skills
Machine learning (including deep learning), Generative AI, Python (data science libraries), SQL, Statistics, Model evaluation and tuning, Business problem definition, Data strategy planning
Preferred skills
Fraud detection experience, Consulting experience, E-commerce industry experience, Causal inference, ML platform development, BI tools (Tableau)
Technologies
Python, SQL, Generative AI, Machine Learning frameworks
Responsibilities
Define data strategies to solve business problems, Design and test experimental plans for AI solutions, Fine-tune ML and generative AI models, Present analysis results to stakeholders, Monitor and improve released solutions
Seniority
Senior, hands-on IC