Senior Software Engineer, Cloud Security
About The Position
eBay’s Cloud organization is building the next-generation, software-defined infrastructure that powers one of the world’s largest e-commerce platforms. Our mission is to deliver a self-healing, elastically scalable, and highly available foundation that enables every eBay experience—from seller storefronts to search and payments. The Cloud Security team designs, builds, and operates the core security services that protect eBay’s global infrastructure while enabling developer velocity. Our philosophy: security by design, security that feels invisible. We harness zero-trust principles, layered defenses, and intelligent automation to safeguard millions of users worldwide. As a Senior Software Engineer, you will lead the design and development of cloud-native security services used by thousands of internal microservices and millions of customers. You will set technical standards, own projects end-to-end, and influence architectural decisions across teams—while mentoring others and setting the standard for security engineering at eBay.
Requirements
- Masters Degree in Computer science or related field with at least 6 years of relevant experience or Bachelors Degree in Computer science or related field with at least 8 years of relevant experience
- Strong software development background with mastery of at least one programming language (Go, C++, or Java)
- Solid understanding of OIDC, OAuth and related authentication/authorization standards
- Hands-on experience with LDAP and identity management systems
- Strong knowledge of relational databases (RDBMS) and object databases
- Good understanding of Kubernetes and cloud-native environments
- Experience building or operating distributed systems at scale
Nice To Haves
- Familiarity with SAML, FIDO, RBAC/PBAC
- Experience with Kubernetes internals (CRDs, admission webhooks, operators), Istio, or Envoy
- Knowledge of secure SDLC, threat modeling, compliance frameworks (PCI-DSS, SOC 2)
- Contributions to open-source or industry security initiatives
Responsibilities
- Build scalable, secure services with clean, maintainable code in Go, C++, or Java
- Own a functional area, from design to launch and production observability
- Implement and evolve security services for Authentication, Authorization, IAM, and integration with identity systems (e.g., OAuth, LDAP)
- Drive adoption of secure coding practices, engineering excellence, and high availability standards
- Collaborate across teams, communicate risks and trade-offs and influence technical direction
Benefits
- 401(k) eligibility
- various paid time off benefits, such as PTO and parental leave
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What This Job Offers
Job Type
Full-time
Career Level
Senior
Number of Employees
5,001-10,000 employees
