CareerPlan

データサイエンティスト(ビジネスグロース領域)

Full-time2026-08-13 → 2026-11-10
Hybrid

Core

Develop and operate machine learning models and data analysis to drive user value and business growth for PayPay Card's fintech services.

Role type

Senior IC data scientist (business growth)

Builds

Production ML models and product features for user acquisition, retention, and monetization

Domain

Fintech / Credit cards / Payments

Deliverable

production ML models

Required skills

Python, SQL, Google Cloud Platform (GCP), Machine Learning, Statistical Modeling, Data Analysis, Model Deployment, A/B Testing, Business KPI Analysis

Preferred skills

MLOps, AutoML, Generative AI, Credit Card Domain Knowledge, User Behavior Analysis

Technologies

Python, SQL, BigQuery, Vertex AI, LightGBM, XGBoost, CatBoost, scikit-learn, DataRobot, Looker Studio, Docker, CI/CD

Responsibilities

Define analysis themes and design models to improve business KPIs (sign-ups, GMV, churn, revenue), implement marketing and product strategies based on insights, validate campaign effectiveness, and collaborate with product and marketing teams to drive decision-making.

Seniority

Senior, hands-on IC