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From the employer's careers site First seen 28 Oct 2026

Credit Fraud Risk Data Scientist

PayPal Tokyo Hybrid senior full-time

Salary

¥8,215,000 - ¥11,748,000 Annually

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Description

This job will lead the development and implementation of advanced data-driven strategies and capabilities to manage credit fraud risk at Paidy.

Key Responsibilities:

  • Design and maintain real-time fraud detection and alerting systems that are efficient, scalable, and capable of handling high transaction volumes.
  • Develop and fine-tune models to identify fraudulent behaviors, leveraging large datasets to ensure high accuracy and precision.
  • Analyze complex fraud patterns and produce detailed reports for senior management to implement proactive countermeasures and reduce false positives.
  • Use strong presentation skills to report on work impact and advocate for the necessary resources and budget to strengthen Paidy's fraud defenses.
  • Coordinate cross-functionally with Engineering, Fraud Operations, Product, Marketing, and PR teams to ensure a unified approach to fraud prevention.
  • Act as a primary liaison with external parties and vendors to identify, evaluate, and hire new data sources or specialized tools that enhance our fraud ecosystem.
  • Provide actionable feedback on product designs to ensure they are fraud-resistant while maintaining a frictionless user experience.
  • Build deep fraud domain knowledge and stay up-to-date with the latest industry trends and emerging threat vectors.
  • Monitor and assess the performance of existing detection systems, making data-driven improvements to adapt to evolving trends.
  • Document processes and methodologies to ensure transparency and knowledge-sharing within the team.

Requirements:

  • Proficiency in essential data science tools such as SQL and Python or R, with experience in data manipulation and analysis.
  • Previous experience in a data science or analytics role, particularly in fraud detection, financial services, or e-commerce environments.
  • Proven ability to translate technical findings into simple, persuasive takeaways for non-technical stakeholders to secure buy-in for new initiatives.
  • A proactive mindset with a strong interest in building specialized fraud domain knowledge and driving business decisions through data.
  • Ability to deliver high-quality work under pressure and demonstrate a sense of urgency when reacting to fraud attacks.
  • Bachelor's degree or higher.
  • Candidates must be eligible to work in Japan.
  • English speaker.

Benefits: At PayPal, we’re committed to building an equitable and inclusive global economy. We offer comprehensive, choice-based programs to support all aspects of personal wellbeing,physical, emotional, and financial,delivering meaningful value where it matters most. We strive to create a flexible, balanced work culture with a holistic approach to benefits, including generous paid time off, healthcare coverage for you and your family, and resources to create financial security and support your mental health.

Skills

Ready to apply?

You apply with the employer directly. Their original posting is here: https://paypal.wd1.myworkdayjobs.com/en-US/jobs/job/Tokyo-Tokyo-Prefecture-Japan/Sr-Data-Scientist--Credit-Fraud-Risk-_R0138442

Apply on PayPal