PayPal · 7 hours ago
Senior Site Reliability Engineer
San Jose, CA
Full-time
Hybrid
Mid, Senior Level
$112K/yr - $192K/yr
5+ years expPayPal has been revolutionizing commerce globally for more than 25 years. As a Senior Site Reliability Engineer, you will drive the reliability, performance, and availability of PayPal's global mobile and backend systems, implementing standards and enhancing observability to ensure high-performance experiences for customers.
E-Commerce PlatformsFinTechMobile PaymentsTransaction Processing
Responsibilities
Manage and deliver large-scale reliability improvement projects, ensuring systems are performant, available, and resilient
Drive the identification of performance bottlenecks and lead initiatives to optimize and scale critical systems and services
Architect and implement scalable infrastructure solutions to support growing user demands while maintaining system reliability
Lead the design and enhancement of monitoring frameworks, ensuring systems are highly observable, and support the response to production incidents
Take ownership of improving system resilience by designing fault-tolerant architectures and implementing disaster recovery strategies
Lead capacity planning initiatives to ensure system resources are proactively managed, preventing downtime or performance degradation under high load
Work closely with development, operations, and other technical teams to ensure seamless system integration and align on best practices for reliability
Act as a technical mentor within the organization, guiding teams through complex reliability challenges and promoting a culture of excellence
Help define and execute long-term reliability engineering strategies and standards to ensure the scalability and performance of core services
Develop and enforce best practices for operational excellence, including automation, incident management, and system monitoring, across engineering teams
Qualification
Required
5+ 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
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
Benefits
Flexible work environment
Employee shares options
Health and life insurance
Company
PayPal
PayPal is a financial service company that provides online payment solutions to its users worldwide.
10001+ employees
H1B Sponsorship
PayPal has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (1144)
2024 (917)
2023 (775)
2022 (921)
2021 (1051)
2020 (1049)
Funding
Current Stage
Public CompanyTotal Funding
$12.17BKey Investors
Kohlberg Kravis RobertsBlueRun Ventures
2025-11-17Post Ipo Debt· $6.95B
2023-06-07Post Ipo Debt· $5B
2015-07-20IPO
Leadership Team
Simon Bladon
CEO, UK
chaloem khompitoon
President & CEO
Recent News
2025-12-31
The European Financial Review
2025-12-31
Company data provided by crunchbase