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Software Engineer III, Backend (Identity & Security)

Warsaw Office💼 Full-time🗓 2026-07-14 → 2026-07-31

Core

Design, build, deploy, and operate mission-critical backend services for authentication, identity, and secure access across Box's platform.

Role type

Senior IC backend engineer (identity & security)

Builds

Core authentication, identity, and secure access infrastructure (Login, MFA, SSO, OAuth, Device Trust)

Domain

Enterprise content management, identity & security

Deliverable

production ML models | product features | infrastructure

Required skills

Java, backend/distributed systems, system design, testing, performance, scalability, reliability, debugging

Preferred skills

OAuth, OIDC, SAML, MFA, Kubernetes, GCP, AWS, Azure

Technologies

Java, Kubernetes, GCP, AWS, Azure

Responsibilities

Design, build, deploy, and operate mission-critical authentication and identity services; Improve reliability and observability of critical infrastructure; Collaborate with cross-functional teams to deliver secure capabilities; Participate in technical design and implementation; Participate in on-call rotation to resolve production issues

Seniority

Senior, hands-on IC

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