Description
Cloudflare is hiring a Senior Software Engineer to design and build certificate lifecycle, private-key, HSM, ACME, transparency, audit, and post-quantum cryptographic infrastructure. The role owns cryptographic core systems, incident response, observability, and secure development practices while partnering with SSL/TLS, HSM, data-centre, research, and product teams. It is an early-stage team role with hybrid work in Austin, London, or Lisbon, and requires 5+ years of production systems software experience plus deep PKI and cryptography knowledge.
