Spotify

Senior C++/iOS Engineer - User Platform

London, UK or Stockholm, Sweden

Senior

HYBRID

Spotify is hiring a Senior C++/iOS Engineer to join the Baldur squad within User Platform, based in London or Stockholm. This role focuses on Session Management and Delegated Authorization — the systems that securely issue, refresh, revoke, and manage access tokens for hundreds of millions of users across every Spotify client and third-party integration. You will design and build critical shared C++ libraries and native Swift/iOS components, work closely with client and backend engineers, and help shape the long-term technical direction of Spotify's authorization infrastructure.

C++

Swift

iOS development

OAuth 2.0

Token management

Session management

Delegated authorization

Secure system design

Cross-platform development

Software architecture

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