Sr. Backend Engineer (AI & Platform)

Responsibilities

• Backend Architecture : Design, build, and optimize scalable and resilient backend systems using modern cloud-native technologies.
• AI Integration : Work closely with ML engineers to integrate AI models into backend services, enabling smart, adaptive experiences.
• API & Service Design : Develop robust RESTful and GraphQL APIs and microservices to support web and mobile clients.
• Performance & Reliability : Ensure systems are highly available, secure, and performant through monitoring, load testing, and optimization.
• Data Engineering & ML Ops : Build efficient data pipelines, support model training / inference workflows, and deploy ML models in production.
• Security &pliance : Implement best practices around authentication, data protection, and secure architecture design.
• Cross-Functional Collaboration : Partner with product, frontend, DevOps, and data teams to align engineering efforts with business strategy.
• Mentorship & Leadership : Mentor junior engineers, lead code reviews, and champion engineering best practices.
• Tech Strategy & Innovation : Stay up-to-date with industry trends in backend infrastructure, AI / ML, and cloud services; advocate for technology adoption and innovation.

Required Skills & Experience

Preferred Qualifications

Additional Job Description :

Subsidiary :

PayPal

Travel Percent :

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'remitted 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 benefits to help you thrive in every stage of life. We champion your financial, physical, and mental health by offering valuable benefits and resources to help you care for the whole you.

We have great benefits including a flexible work environment, employee shares options, health and life insurance and more. To learn more about our benefits please visit / / paypalbenefits.

Who We Are :

Click Here to learn more about our culture andmunity.

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 amodations for qualified individuals with disabilities. If you are unable to submit an application because of ipatible assistive technology or a disability, please contact us at talentamodations@paypal.

Belonging at PayPal :

Our employees are central to advancing our mission, and we strive to create an environment where everyone can do their best work with a sense of purpose and belonging. Belonging at PayPal means creating a workplace with a sense of acceptance and security where all employees feel included and valued. We are proud to have a diverse workforce reflective of the merchants, consumers, andmunities that we serve, and we continue to take tangible actions to cultivate inclusivity and belonging at PayPal.

Any general requests for consideration of your skills, please Join our Talentmunity.

We know the confidence gap and imposter syndrome can get in the way of meeting spectacular candidates. Please don't hesitate to apply. Job ID R0124101