PayPal

Staff Machine Learning Engineer

PayPal$227K — $300K *
Information Technology
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • Master's degree in Computer Science, Engineering, or a closely related field or Bachelor's with extensive experience.
  • 5 years of experience in machine learning, AI, or a related field for Master's degree holders, or 8 years for Bachelor's.
  • Proficiency in Python and Java for developing scalable machine learning models and pipelines.
  • Hands-on experience with generative AI solutions, particularly LLMs or AI agents.
  • Familiarity with big data technologies such as Spark or Hadoop for data processing.

Responsibilities

  • Design and implement scalable risk analytics and generative AI solutions.
  • Collaborate with data scientists and engineers to tackle complex problems.
  • Establish and uphold technical standards for code quality and performance.
  • Innovate by integrating advanced machine learning techniques into the platform.
  • Lead architectural design and technical decisions across teams.
  • Develop AI agents for workflow automation and issue detection.
  • Mentor team members and promote a culture of collaboration and learning.

Benefits

  • Generous paid time off to support work-life balance.
  • Comprehensive healthcare coverage for employees and their families.
  • Resources aimed at enhancing financial security and mental health.
  • Flexible work culture with a hybrid model for remote and in-office work.
Full Job Description
Job Summary:

Job Description:

PayPal, Inc. seeks Staff Machine Learning Engineer in San Jose, CA

Job Duties: Design and deploy scalable Risk analytical solutions and generative AI solutions and productize Machine Learning models that enhance PayPal's ability to provide a seamless customer experience. Lead and collaborate with data scientists and system engineers to solve complex problems with machine learning and AI capabilities. Define technical standards and ensure high code quality, performance, and reliability through rigorous testing, code reviews, and adherence to software development best practices. Drive innovation by researching and incorporating state-of-the-art machine learning techniques, tools, and frameworks into the platform. Lead architecture design and technical decision-making across cross-functional groups and deliver results in matrix organizations. Develop different AI agents to automate workflow, detect live issues and provide fix suggestions. Mentor senior and junior team members, provide technical guidance and strategic direction, and foster a culture of collaboration, innovation, and continuous learning. Partial telecommuting permitted from a commutable distance.

Minimum Requirements: Master's degree, or foreign equivalent, in Computer Science, Engineering, or a closely related field plus five years of experience in the job offered or a related occupation. Employer will accept a Bachelor's degree, or foreign equivalent, in Computer Science, Engineering or a closely related field plus eight years of progressively responsible experience in the job offered or a related occupation.

Special Skill Requirements:

(1) Experience designing and deploying scalable machine learning models and pipelines in production environments using Python and Java (4 years)

(2) Experience developing and productizing Generative AI solutions, including LLMs, RAG pipelines, or AI agents (e.g., LangChain, LlamaIndex, or similar frameworks) (2 years)

(3) Experience with big data technologies and distributed computing frameworks such as Spark, Hadoop, or Flink for large-scale data processing (3 years)

(4) Experience designing and developing large-scale software applications using Object-Oriented Design in Java or Python (4 years)

(5) Experience with cloud platforms (AWS, GCP, or Azure) for deploying and managing ML/AI workloads, including containerization with Docker and Kubernetes (2 years)

(6) Experience building and maintaining data pipelines and ML feature engineering systems using tools such as Airflow, MLflow, or similar MLOps platforms (2 years)

(7) Experience in risk analytics or fraud detection domains, including model development for anomaly detection, payment risk, or transaction monitoring (2 years)

(8) Experience developing AI agents or workflow automation systems using agentic frameworks for issue detection, root cause analysis, or automated remediation (1 year)

(9) Experience with software engineering best practices including code reviews, unit/integration testing, CI/CD pipelines, and version control (e.g., Git) (4 years)

(10) Experience leading cross-functional teams of data scientists, product managers, and system engineers to deliver end-to-end ML/AI solutions in a matrix organization (3 years)

Additional Responsibilities & Preferred Qualifications:

The base pay for this role will depend on where you work and the relevant experience and expertise you bring. The expected range of pay for this role by location is:

Primary Location | Pay Range:

San Jose, California | Salary: $227,639.00-300,500.00 per annum. 40 hours per week; M-F, 9:00 a.m. to 5:00 p.m.

Additional compensation for this role may include an annual performance bonus, equity, or other incentive compensation, as applicable.

Must be legally authorized to work in the U.S. without sponsorship.

Subsidiary:
PayPal

Travel Percent:
0

PayPal does not charge candidates any fees for courses, applications, resume reviews, interviews, background checks, or onboarding. When making an application directly, we will never ask you to share passwords, one-time passcodes (OTP), or verification codes. Any such request is a red flag and likely part of a scam. All communication regarding your application will come from official PayPal email domains. If you suspect fraudulent activity, please report it immediately. To learn more about how to identify and avoid recruitment fraud please visit https://careers.pypl.com/contact-us.

For the majority of employees, PayPal's balanced hybrid work model offers 3 days in the office for effective in-person collaboration and 2 days at your choice of either the PayPal office or your home workspace, ensuring that you equally have the benefits and conveniences of both locations.

Our Benefits:

At PayPal, we're committed to building an equitable and inclusive global economy. And we can't do this without our most important asset-you. That's why 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.

About PayPal

PayPal has remained at the forefront of the digital payment revolution for more than 20 years. By leveraging technology to make financial services and commerce more convenient, affordable, and secure, the PayPal platform is empowering more than 375 million consumers and merchants in more than 200 markets to join and thrive in the global economy.

PayPal Careers

Joining PayPal now offers an unparalleled opportunity to become part of a leading global team of professionals dedicated to revolutionizing digital payments and financial services. As a beacon of innovation and diversity, PayPal is where your professional journey can reach new heights. Work You’ll Do At PayPal, we are committed to excellence in every aspect of our business, from the innovative solutions we provide to the inclusive culture we nurture. By joining our team, you will help shape the future of payments globally, working alongside some of the brightest minds in technology and finance. Transform the Financial Landscape Lead the charge in the digital payments revolution with PayPal, a company known for its leadership in technology and financial services. Our team at PayPal is at the forefront of digital innovation, making significant impacts across various industries and improving the way millions of people handle transactions daily. Engage with a Global Team Collaborate with over 20,000 dedicated professionals around the world who are experts in technology, finance, and customer engagement. PayPal’s commitment to growth and diversity is evident in our dynamic team environment where every voice is valued and every team member is empowered. PayPal Jobs and Employment Opportunities We are actively expanding our team and have numerous job opportunities that cater to a wide range of skills and experiences. Whether you’re looking for a full-time position, an internship, or leadership roles, PayPal offers a path for career advancement and professional development. Innovate and Grow Join PayPal and be part of a company that values innovation and leadership. Deliver targeted solutions and drive change across the financial ecosystem with a team that’s equipped with the best tools and resources. At PayPal, your career is future-proofed with endless opportunities for advancement and skills enhancement through our comprehensive training and development programs. Be Part of Our Culture At PayPal, we pride ourselves on a workplace culture that supports diversity, encourages professional growth, and fosters innovation. Our benefits package is designed to support the health, financial security, and well-being of our employees and their families. Explore PayPal Careers Discover the exciting career opportunities at PayPal, where we are hiring creative, curious, and motivated individuals. Search open positions that match your skills and interests. We look for professionals who are passionate about making a difference and ready to contribute to our team’s success. Stay Connected with PayPal Keep up to date with the latest career tips, industry insights, and company news—all from the people who work at PayPal. Personalize your experience by subscribing to job alert emails, tailored to your preferences, and see what exciting and rewarding opportunities await. Join Our Team Ready to take the next step in your career? Prepare your resume, sharpen your interview skills, and apply for a position at PayPal today. Engage with our professional network and become part of a company that’s leading the way in digital payments. SEARCH PAYPAL JOBS At PayPal, your ambitions lead you forward, and our collective innovation drives us all. Join us in making a difference in the digital payments landscape worldwide.
Learn more about PayPal
Size
30,900 employees
Market Cap
$77.3 billion
Industry
Net Income
$4.2 billion
Founded
1998
5 Year Trend
+18.5%
Revenue
$21.4 billion
NASDAQ

Similar Jobs

More Jobs at PayPal

More Information Technology Jobs

Find similar Staff Machine Learning Engineer jobs: