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
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Software Developer, Cryptography & Full-Stack employer: Secure Source
As a Senior Application Security Specialist, you will thrive in a dynamic and innovative environment that prioritises security across all engineering teams. Our company fosters a collaborative work culture, offering extensive opportunities for professional growth and development, while also providing competitive benefits tailored to support your well-being. Located in a vibrant city, we embrace a forward-thinking approach to application security, ensuring that you play a pivotal role in shaping secure development practices across Europe’s products and services.
