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Principal Architect - Secure Authentication & Access

Job in Cardiff, Cardiff City Area, CF10, Wales, UK
Listing for: One Identity
Full Time position
Listed on 2026-07-15
Job specializations:
  • Software Development
    Software Architect, Backend Developer
Job Description & How to Apply Below

One Identity in the United Kingdom is seeking a Principal Software Engineer to lead authentication and access systems across the platform. You will own architecture, security, correctness, and evolution of flows, while mentoring teams and driving modernization in a complex distributed SaaS environment.

You will design and validate secure, state-machine-driven authentication workflows, ensure protocol correctness across SAML, OAuth 2.0, OpenID Connect, and guide adoption of consistent patterns

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