Start Your Search Here

push notification bell

Would you like to receive notifications about IT & Technology jobs in Greater London?

push notification bell

You have blocked notifications

Oops! You have blocked notifications. Click here for more info

You have blocked notifications, please check your browser settings.

push notification bell

You're currently subscribed to job notifications

Want to change your notifications for job alerts?

push notification bell

Subscribe to notifications

You will no longer receive notifications

Job Search

Secure Source

Greater London / Global

Software Developer, Cryptography & Full-Stack

Job Description

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)
  • An eye for scalability and secure-by-design

Nice to have

  • Embedded or OT exposure
  • A security background or relevant certifications
#J-18808-Ljbffr
Apply Now

Similar Opportunities

View all jobs