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Senior Fullstack Engineer – Identity Platform

Full-stack EngineerSoftware EngineerFull TimeRemoteSeniorTeam 501-1,000Since 2011H1B No SponsorCompany SiteLinkedIn

Location

United States

Posted

81 days ago

Salary

$174.2K - $261.2K / year

Seniority

Senior

Bachelor DegreeEnglishJavaScriptNode.jsPython

Job Description

Senior Fullstack Engineer – Identity Platform

Zapier

• Design and maintain authentication and session systems (SAML, SCIM, OAuth/OIDC, MFA, login, sign-up, 2FA, user provisioning) as Zapier scales to larger customers • Own user session propagation and JWT validation across a multi-service architecture spanning Python, Node.js, and Go • Build enterprise authentication controls and governance APIs: forced SSO, domain capture, credential lifecycle, admin authentication policies • Build and maintain platform libraries consumed by dozens of internal teams • Treat reliability, latency, and efficiency of auth systems as non-negotiables; build the monitoring, observability, and audit logging to back that up • Respond to authentication-related incidents and participate in on-call rotation • Enable Security, Enterprise Response, and product team partners to move faster by removing auth bottlenecks

Job Requirements

  • You've set the vision and built identity systems for enterprise SaaS at scale.
  • You work through AI agents, not alongside them.
  • You think in platforms, not features.
  • You're comfortable across the stack.
  • You believe enterprise can move fast, and you ship through ambiguity to prove it.
  • You work close to the customer.
  • You own your work, yourself, and your communication.

Benefits

  • Offers Equity
  • Offers Bonus

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