Top 30
Prep plan
Updated weekly · Last refresh Oct 17

WorkOS Software Engineer Interview Questions

The questions to prepare for a WorkOS Software Engineer interview. Questions from real interview reports rank first. Updated daily.

30questions
~5htotal time
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1
Security & InfrastructureStart here. 6 questions · ~55 min
SAML and X.509 BasicsMedium

Assesses foundational knowledge of SAML and certificate concepts and the ability to justify WorkOS value.

SecurityWorkOS
OAuth Code Flow Without PKCEMedium

Tests security understanding of OAuth flows and mitigations for SPA authorization code usage.

SecurityWorkOS
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2
Coding3 questions · ~27 min
Verify Webhook SignaturesMedium
Practice

Verify a webhook signature by computing an HMAC-SHA256 digest over the timestamp and request body.

Hash Tablesapi integrationCodingWorkOS
Detect First Flow ViolationMedium
Practice

Validate ordered SSO authentication events with a finite-state sequence and return the first violation.

Hash TablesBasic AlgorithmsArraysWorkOS
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3
Behavioral & Leadership16 questions · ~146 min
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4
More topics5 questions · ~46 min
SAML vs OIDC TradeoffsMedium

Tests identity protocol knowledge and practical guidance for developers integrating WorkOS.

Decision Makingtechnical depthrequirementsWorkOS
Indexing for Multi-Tenant DirectoryMedium

Tests SQL indexing strategy for multi-tenant scale and query performance.

performanceindexesWorkOS
End-to-End SSO System DesignHard

Tests end-to-end architecture and reliability monitoring for SSO login flows.

Rollback PlanLaunch PlanningSuccess CriteriaWorkOS
Design Secure Multi-Tenant AuthHard

Tests system design for secure, scalable multi-tenant authentication in an enterprise identity context.

Feature StoreModel ServingRecommendation SystemsWorkOS
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Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min
The finish line: interview-readyComplete all 30 questions plus 3 hands-on drills to finish this plan.