Senior Architect within authentication security

We are seeking a highly skilled architect with deep subject matter expertise in authentication and authentication security.

Start: ASAP or within 1 month

Duration. 6 months, with high possibility of extension

Location: Stockholm, min 2-3 days/week at the office

The assignment requires strong hands-on experience with OAuth, specifically the OAuth Device Authorization Flow, and its practical application in building secure, scalable user authentication solutions across modern platforms.

You will act as a technical authority, guiding design decisions, validating implementations, and ensuring authentication flows meet high standards for security, reliability, and user experience. The role involves close collaboration with backend, security, and platform teams.

A strong understanding of identity standards, secure system design, and authentication best practices is essential, along with the ability to operate independently and take ownership of complex technical domains.