Senior C++/iOS Engineer - User Platform
Description
We’re looking for a Senior C++/iOS Engineer to join the Baldur squad within User Platform (UP). Baldur owns Spotify’s Session Management and Delegated Authorization domains—the systems that enable applications to securely obtain, use, and manage access tokens for hundreds of millions of users. In this role, you’ll help shape the technology that powers secure access across every Spotify client and third-party integration. Your work will support engineers across Spotify building mobile and desktop experiences, platform teams, and third-party developers integrating with Spotify’s authorization platform. You’ll collaborate across disciplines to build secure, reliable, and scalable authentication experiences that have a direct impact on millions of people every day. What You'll Do Collaborate with a highly autonomous and supportive engineering squad responsible for Spotify’s delegated authorization and session management platforms. Design, build, and evolve critical infrastructure powering Spotify applications and partner integrations using shared C++ libraries and native Swift on iOS. Develop secure, reliable, and performant delegated authorization flows, including token issuance, refresh, revocation, and session lifecycle management across multiple platforms. Partner with client and backend engineers to integrate with core authorization services, token issuance, client registration, and token revocation. Improve how credentials and access tokens are securely stored and managed --- Source: jobicy - Spotify
