Senior Site Reliability Engineer

At PayPal, Senior Site Reliability Engineers (SREs) drive the reliability, performance, and availability of our global mobile and backend systems. As part of our new Mobile SRE team, you'll bridge the gap between iOS and Android clients and the backend services that power them, delivering seamless experiences for millions of customers. In this hands-on role, you'll implement reliability standards, build automation, and enhance observability across the stack. By developing actionable insights, automating key workflows, and advancing operational excellence, you'll help ensure PayPal's platforms deliver reliable, high-performance experiences customers can trust worldwide., * Take ownership of system performance monitoring, identify inefficiencies, and lead initiatives to improve the overall availability and reliability of digital platforms and applications.

• Lead and manage the response to complex, high-priority incidents, ensuring prompt resolution and a thorough root cause analysis to prevent future occurrences.
• Design and implement advanced automation frameworks to improve operational efficiency, streamline processes, and reduce human error.
• Lead reliability-focused initiatives, ensuring systems are highly available, resilient, and scalable, and promote best practices across engineering teams.
• Enhance the monitoring infrastructure by identifying key metrics, optimizing alerting, and improving system observability to ensure the reliability of large-scale systems.
• Forecast resource requirements and lead capacity planning activities to ensure systems can scale effectively to meet growing user demand.
• Ensure robust disaster recovery strategies are in place and conduct regular testing to ensure systems can recover quickly from failures.
• Partner with engineering and product teams to identify opportunities for improving system architecture, focusing on scalability, reliability, and fault tolerance.
• Provide mentorship and technical guidance to junior site reliability engineers, fostering skill development and knowledge sharing.
• Drive continuous improvement across operational workflows, identifying areas for optimization, cost reduction, and performance enhancement., 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, Additional compensation for this role may include an annual performance bonus, equity, or other incentive compensation, as applicable.

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.

• 3+ years relevant experience and a Bachelor's degree OR Any equivalent combination of education and experience., * Proven experience in Site Reliability Engineering, software development, or systems engineering, with a focus on end-to-end system reliability and performance.
• Strong understanding of backend architectures, including APIs, data flows, and cross-system dependencies.
• Hands-on experience developing monitoring, observability, and alerting solutions using tools such as Datadog, Firebase Crashlytics, or Sentry.
• Skilled in automation and tooling development using Python, Go, or similar languages to reduce manual processes and improve efficiency.
• Experience implementing SLIs/SLOs and leveraging metrics to drive measurable improvements in reliability and availability.
• Solid foundation in distributed systems, cloud infrastructure (AWS, GCP, or Azure), and CI/CD pipelines for reliable software delivery.
• Strong debugging and problem-solving skills, capable of diagnosing and resolving complex issues across mobile, API, and backend systems.
• Effective collaborator and communicator, skilled at partnering across mobile, backend, and SRE teams to deliver cohesive reliability outcomes.
• Demonstrated ability to mentor engineers and foster a culture of observability, automation, and operational excellence.

Preferred Qualifications

• Understanding of mobile (iOS and Android) applications
• Experience improving incident response workflows, postmortem and on-call models processes.
• Background in performance optimization, fault tolerance, and disaster recovery for large-scale systems.
• Experience collaborating within distributed or global engineering teams.

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.

PayPal has been revolutionizing commerce globally for more than 25 years. Creating innovative experiences that make moving money, selling, and shopping simple, personalized, and secure, PayPal empowers consumers and businesses in approximately 200 markets to join and thrive in the global economy. We operate a global, two-sided network at scale that connects hundreds of millions of merchants and consumers. We help merchants and consumers connect, transact, and complete payments, whether they are online or in person. PayPal is more than a connection to third-party payment networks. We provide proprietary payment solutions accepted by merchants that enable the completion of payments on our platform on behalf of our customers. We offer our customers the flexibility to use their accounts to purchase and receive payments for goods and services, as well as the ability to transfer and withdraw funds. We enable consumers to exchange funds more safely with merchants using a variety of funding sources, which may include a bank account, a PayPal or Venmo account balance, PayPal and Venmo branded credit products, a credit card, a debit card, certain cryptocurrencies, or other stored value products such as gift cards, and eligible credit card rewards. Our PayPal, Venmo, and Xoom products also make it safer and simpler for friends and family to transfer funds to each other. We offer merchants an end-to-end payments solution that provides authorization and settlement capabilities, as well as instant access to funds and payouts. We also help merchants connect with their customers, process exchanges and returns, and manage risk. We enable consumers to engage in cross-border shopping and merchants to extend their global reach while reducing the complexity and friction involved in enabling cross-border trade. Our beliefs are the foundation for how we conduct business every day. We live each day guided by our core values of Inclusion, Innovation, Collaboration, and Wellness. Together, our values ensure that we work together as one global team with our customers at the center of everything we do - and they push us to ensure we take care of ourselves, each other, and our communities., 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, and communities 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 Talent Community.