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Keycard Labs

Software Engineer, Identity

US - Remote (Remote)fulltimemidAdded 1 month ago

About this role

Keycard is seeking a Staff Identity Engineer to design and build core identity, authentication, authorization, and data systems for an agent-native control plane. You'll architect distributed, multi-tenant infrastructure that delivers auth decisions at scale while working directly with founders and helping shape an AI-first engineering culture.

What you'll do

  • Design and build identity, authentication, and authorization systems handling OAuth, OIDC, mTLS and related protocols
  • Architect distributed systems ensuring security, multi-tenancy, and sub-10ms auth decision latency across deployments
  • Develop core services, SDKs, and APIs for developers integrating Keycard's control plane
  • Make technical trade-offs to ship quickly while building long-term system foundations
  • Lead by example on technical excellence and help grow the engineering team
  • Shape how Keycard adopts agents internally as an agent-native organization

What they're looking for

  • Identity and access management systems (OAuth, OIDC, SCIM, mTLS)
  • Distributed systems design with focus on consensus and reliability
  • Go, Rust, or similar systems programming languages
  • Multi-tenant system architecture
  • API and SDK design
  • Security-first thinking
  • 0→1 product building
  • Clear written and async communication

Benefits

  • Work on frontier technology in agent-native systems
  • Significant autonomy and opportunity for mastery
  • Culture that embeds AI agents into engineering foundation
  • Direct collaboration with founders and cross-functional teams
  • Remote, distributed team environment
  • Compensation with equity upside
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Keycard Labs

Keycard Labs builds an identity and access control plane designed specifically for AI agents, enabling secure and scalable governance across agent-native applications. The company is hiring staff-level and senior engineers across platform infrastructure, identity systems, data engineering, SDK development, and full-stack product roles to build this foundational technology.

View all jobs at Keycard Labs

Likely interview questions

  • Walk us through your experience designing and operating identity systems at scale. What were the key challenges around multi-tenancy, latency, or security that you encountered?
  • How would you approach architecting an auth system that needs to make policy decisions in under 10ms across cloud, edge, and hybrid deployments?
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