PayPal is hiring: Staff Machine Learning Engineer – R&D, Fraud Intelligence in C

Job Summary

We’re seeking a Machine Learning Engineer with a research‑driven mindset to advance the science of fraud detection and prevention. You’ll design, prototype, and productionize cutting‑edge decision models that power our global fraud infrastructure across identity, onboarding, authentication, abuse, scams, and product‑specific risks.

Job Description

Working at the intersection of applied research and large‑scale engineering, you’ll develop novel approaches in anomaly detection, supervised learning, and continual learning to uncover and adapt to evolving fraud patterns. Collaborating with scientists, engineers, and product teams, you’ll turn research into real‑world impact—driving innovation in machine learning for digital trust and safeguarding billions of secure transactions worldwide.

Essential Responsibilities

• Assist in the development and optimization of machine learning models.


• Preprocess and analyze datasets to ensure data quality.


• Collaborate with senior engineers and data scientists on model deployment.


• Conduct experiments and run machine learning tests.


• Stay updated with the latest advancements in machine learning.

Minimum Qualifications

• Minimum of 5 years of relevant work experience and a bachelor’s degree or equivalent experience.


• Familiarity with ML frameworks like TensorFlow or scikit‑learn.


• Strong analytical and problem‑solving skills.

Compensation

Pay range: Chicago, Illinois – $178,500.00 – $265,100.00 Annually. Additional compensation may include an annual performance bonus, equity, or other incentive compensation, as applicable.

Benefits

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 provide generous paid time off, healthcare coverage for you and your family, and resources to create financial security and support your mental health.

Commitment to Diversity and Inclusion

PayPal provides equal employment opportunity (EEO) to all persons regardless of age, color, national origin, citizenship status, physical or mental disability, race, religion, creed, gender, sex, pregnancy, sexual orientation, gender identity and/or expression, genetic information, marital status, status with regard to public assistance, veteran status, or any other characteristic protected by federal, state, or local law. In addition, PayPal will provide reasonable accommodations for qualified individuals with disabilities.