Senior Software Engineer, Cloud Security

Senior Software Engineer

At eBay, we are changing the way the world shops and sells. Our platform empowers millions of buyers and sellers in more than 190 markets around the world. We are committed to pushing boundaries and leaving our mark as we reinvent the future of ecommerce for enthusiasts.

Our customers are our compass, authenticity thrives, bold ideas are welcome, and everyone can bring their unique selves to work every day. We are in this together, sustaining the future of our customers, our company, and our planet.

Join a team of passionate thinkers, innovators, and dreamers — and help us connect people and build communities to create economic opportunity for all.

About the Team and Role:

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.

What You Will Accomplish:

• 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

What You Will Bring:

• 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

Preferred Qualifications:

• 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