eBay · 1 day ago
Principal Software Engineer
eBay is a global ecommerce leader changing the way the world shops and sells. The Principal Engineer in the Identity Domain provides senior technical leadership for identity services across the platform, influencing architecture and engineering standards while ensuring a secure and consistent identity capability.
AuctionsE-CommerceInternetMarketplaceRetail
Responsibilities
Act as the senior technical authority for identity services across platforms and teams
Define and evolve enterprise-wide IAM architecture and engineering standards
Design and maintain reference implementations for core identity capabilities
Review and influence system designs and code to ensure security, scalability, and correctness
Architect and implement OAuth 2.0, OpenID Connect (OIDC), and SAML 2.0 for SSO and federation across hybrid, multi-cloud, and SaaS environments
Drive adoption of phishing-resistant, passwordless authentication, including FIDO2, WebAuthn, and Passkeys
Define API authorization patterns using JWT and mTLS for service-to-service communication
Lead the transition to adaptive, context-aware authorization models (RBAC/ABAC) aligned with Zero Trust principles
Define and implement automated identity lifecycle management using SCIM
Guide teams on unified and federated identity constructs and cross-domain trust models
Incorporate global trends in identity and identity verification into platform design and standards
Mentor engineers across teams, raising the bar for identity and security engineering
Provide technical guidance to product and platform partners on identity-related decisions
Influence roadmaps and priorities through technical leadership and domain expertise
Qualification
Required
Extensive experience designing and building identity and access management systems
Strong knowledge of identity protocols and standards (OAuth 2.0, OIDC, SAML, SCIM)
Experience with federated and unified identity architectures in distributed environments
Proven ability to influence technical direction across multiple teams and platforms
Preferred
Experience with identity verification, risk-based authentication, or trust signals
Familiarity with Zero Trust architectures and adaptive access control models
Experience operating identity platforms at scale in regulated or security-sensitive environments
Benefits
Target bonus
Restricted stock units
Full range of medical, financial, and/or other benefits
401(k) eligibility
Various paid time off benefits
PTO
Parental leave
Company
eBay
eBay is a global online marketplace enabling users to buy, sell, and auction new or used items across various categories.
H1B Sponsorship
eBay 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 (572)
2024 (883)
2023 (779)
2022 (682)
2021 (748)
2020 (766)
Funding
Current Stage
Public CompanyTotal Funding
$1.16BKey Investors
Benchmark
2022-11-07Post Ipo Debt· $1.15B
1998-09-24IPO
1998-01-01Series Unknown
Recent News
Digital Commerce 360
2026-01-23
2026-01-22
Company data provided by crunchbase