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Software Developer, Cryptography & Full-Stack
LondonSource: WhatJobs
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What you'll do
Work on our authentication protocol, including replay/relay resistance and key handling
Integrate with identity providers via OIDC and WebAuthn/passkeys. One Identity today, with Okta and Microsoft Entra on the roadmap
Contribute to our offline peer-to-peer authentication and its cryptographic protocol
Help keep everything secure and scalable as we grow
What we're looking for
Applied cryptography: solid working knowledge of key handling, hashing, replay/relay and protocol basics; you use crypto libraries correctly and think about threat models.
Mobile development: you've built and shipped mobile apps or SDKs (native or cross-platform); a lot of what we do lives on the device.
Signal processing: comfortable with the fundamentals (familiar with how audio is sampled and framed).
Comfortable with IdP/SSO integration (OIDC, WebAuthn/passkeys)
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