Selcuk Karakoc

Machine Leaning, Data Science, R&D

Role
Sr Staff Machine Learning Engineer, Global Fraud Prevention at PayPal
Location
Chicago, IL, US
LinkedIn followers
500 followers

About Selcuk Karakoc

Machine Learning Scientist leading the Global Fraud Prevention R&D team. We build real-time, scalable detection algorithms using AI, Graph ML, deep learning (transformers), and anomaly detection to make PayPal more resilient to fraud while protecting our customers.

Experience

  1. Sr Staff Machine Learning Engineer, Global Fraud Prevention

    PayPal

    Apr 2025 — Present · Чикаго, IL, US

    Drive innovation, develop solutions, conduct research, and explore new approaches to complex challenges in fraud prevention.• Build real time detection at scale using graph ML, deep learning (transformers), and anomaly detection algorithms.• Accelerate delivery through design and peer reviews, and by streamlining pipelines and feature development.• Improve reliability and scalability with robust MLOps practices.

Education

  • Boğaziçi University

    Bachelor of Science (BSc), Mathematics

    2007 — 2010

  • Boğaziçi University

    Bachelor of Science (B.Sc.), Physics

    2007 — 2010

  • École Polytechnique

    Exchange Studies, Mathematics

    2009 — 2010

  • Tulane University

    Doctor of Philosophy (Ph.D.), Mathematics

    2013 — 2017

  • Université Paris Cité

    Master of Science (M.Sc.), Mathematics

    2010 — 2012

Skills

  • Sports Analytics
  • R
  • Mathematics Education
  • Teaching
  • Computational Geometry
  • Numerical Analysis
  • Mathlab
  • Algorithms
  • Linear Algebra
  • Python
  • Latex
  • Sql
  • Quantitative Finance
  • Applied Mathematics
  • C++
  • Matlab
  • Mathematical Modeling
  • Data Analysis
  • Java
  • C
  • Programming
  • Machine Learning
  • Physics
  • Mathematics
  • Statistics
  • Microsoft Excel
  • Microsoft Office

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Selcuk Karakoc — Sr Staff Machine Learning Engineer, Global Fraud Prevention at PayPal in Chicago, IL, US | Unifers