Senior Software Engineer - Security Platform

At Cloudflare, we are on a mission to help build a better Internet. Today the company runs one of the world’s largest networks that powers millions of websites and other Internet properties for customers ranging from individual bloggers to SMBs to Fortune 500 companies. Cloudflare protects and accelerates any Intern...

At Cloudflare, we’re not looking for people who wait for a polished roadmap; we’re looking for the builders who see the cracks in the Internet that everyone else has simply learned to live with. We value candidates who have the instinct to spot a "normalized" problem and the AI-native curiosity to create a solution ...

The Security Platform team is an infrastructure/developer tools group tasked with building and operating powerful, resilient, and secure infrastructure and systems that enable other engineering teams to deliver products to our customers efficiently and securely. We are responsible for secrets management, internal ce...

You’ll build and operate secure and resilient distributed systems for secrets and key management, running across our network that spans more than 310 cities in over 120 countries. Our focus is strengthening/re-architecting internal PKI and machine/workload identity. You’ll run and support the systems we build, both in an operational sense and by helping other internal developers use them. You will participate in the On Call rotation for emergency incident response. You’ll consult on the design and architecture of new systems and products to ensure they are built securely and use our services correctly.

Software development and distributed systems design expertise.
Linux/UNIX system administration proficiency.
Strong security background with a focus on implementation, not policy/compliance.
Track record of contributing to open source security or distributed systems projects.
Cryptography background and ability to work with cryptosystems at the primitives level.
Experience with HSMs, TPMs, or other platform TEEs (e.g. AMD SEV, Intel SGX, Apple Secure Enclave).
Familiarity with HashiCorp Vault or OpenBao, or similar.
Familiarity with Go and/or Python + Salt specifically.