Senior Fullstack Engineer – Identity Platform

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🕒 March 23

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Zapier

WebsiteLinkedInAll Job Openings

501 - 1000 employees

Founded 2011

☁️ SaaS

⚡ Productivity

🤝 B2B

💰 Secondary Market on 2021-04

SaaS • Productivity • B2B

Zapier is a leading automation platform that enables users to connect and automate workflows across more than 7,000 applications. Known for its no-code approach, Zapier empowers individuals and teams to streamline tasks by creating automated processes called "Zaps," which link triggers and actions between different apps. The platform is trusted by millions of users globally, including 87% of Forbes Cloud 100 companies, offering solutions that enhance productivity and efficiency in various business functions.

📋 Description

• 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

🎯 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