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The Login Services team sits within Core Security Engineering and owns Uber’s authentication platform for both human and non-human identities. We build the systems that make login seamless, secure, and resilient for Uber’s global workforce and services, so people and workloads can confidently access internal and third-party applications using strong authentication with minimal operational cost. In this position you will be building the future of authentication at Uber—especially as agentic workflows and non-human identities become first-class citizens. You’ll drive architecture and execution across major initiatives like building a security knowledge platform that computes risk levels for identities and assets (human + NHI), and evolving next-generation authentication capabilities (e.g., stronger factors and policy enforcement across critical systems).
Job Responsibility:
Own and deliver a well-scoped slice of Uber’s authentication stack (human + non-human identities), improving security and login reliability
Build/extend core auth services and workflows (APIs, policy checks, token/session flows) under existing architecture guidance
Improve tier-zero SSO/login health via bug fixes, performance tuning, and availability-focused changes
Ship production-ready code with strong fundamentals: tests, code quality, safe rollout/rollback, and clear operational docs/runbooks
Add observability (metrics/logs/traces), dashboards, and alerts
participate in on-call and drive incident follow-ups to completion
Implement targeted automation to reduce IAM operational toil (self-service flows, remediation tools, ticket/ops workflow helpers)
Contribute to Security Knowledge Platform work by implementing specific data/graph/risk-signal features that power downstream use cases
Collaborate cross-functionally on your projects (Security/IT/Ops/Product), communicate risks early, and contribute in design/incident reviews
Requirements:
Bachelor’s degree or equivalent in Computer Science, Engineering, Mathematics, or related field
OR 4+ years building backend services or platform systems in production environments
Proficiency in at least one major language (Go/Java/Python/TypeScript) and ability to learn the team’s stack if needed
Experience building and operating distributed services: APIs, data stores, async workflows, and service-to-service integrations
Demonstrated operational excellence: monitoring/alerting, debugging, incident participation, and improving SLAs through reliability work
Working knowledge of security fundamentals (auth flows, sessions/tokens, least privilege)
Ability to own a component end-to-end for a scoped area: design docs, implementation, rollout/rollback, and long-term maintenance
Strong engineering hygiene: tests, code reviews, documentation/runbooks, and measurable improvements over time
Nice to have:
Hands-on experience building or operating authentication/authorization systems (AuthN/AuthZ) and improving observability (metrics/logs/traces) in production
Familiarity with identity/security concepts (SSO, MFA, session/token flows, access controls) and common failure modes at scale
Experience contributing to data pipelines or data-backed products (tables/streams/graphs), with an understanding of data quality and reliability
Troubleshooting skills in high-availability services: can debug incidents, find root cause, and drive fixes with good follow-through