Browse All Jobs
Job Description
PayPay is seeking a Senior Data Science Engineer to join their team. PayPay is a FinTech company with over 69M users. They value risk-taking and constant product refreshment. This role involves engineering systems based on a scientific understanding of user and merchant behavior. The scope includes engineering, product science, data science, machine learning, statistical inference, optimization, and BI analytics.

Responsibilities:
  • Process, analyze, and create visualizations for both structured and unstructured data
  • Design and maintain algorithms for predictive modeling and recommendations
  • Collaborate with data engineers, product managers, and stakeholders to build robust production systems

Required Qualifications:
  • Bachelors in a quantitative field
  • Excellent verbal and written communication skills in English and/or Japanese
  • More than five years of work experience as a data scientist, software engineer, statistician, or equivalent role
  • Experience in at least one primary language (e.g., Java, Scala, Python) and SQL (any variant)

What PayPay offers:
  • Full time employment
  • Hybrid workstyle (flexible working style including Remote and office)
  • Super Flex Time (No Core Time)
  • Social Insurance (health insurance, employee pension, employment insurance and compensation insurance)
  • 401K
  • Language Learning support
  • Translation/Interpretation support
  • VISA sponsor + Relocation support
Apply Manually

PayPay

PayPay is a FinTech company committed to creating a future beyond imagination through constant risk-taking and challenges. Since its 2018 launch, it has amassed over 69 million users(May 2025). The company fosters a diverse team with members from over 50 countries. PayPay focuses on value-added product improvements through a scientific approach to understanding user and merchant behavior. The company utilizes engineering, product science, data science, machine learning, and analytics to drive its innovations. PayPay values professional passion, speed, and a commitment to refreshing its product.

All Jobs at PayPay (133)