Staff/Principal 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’ll consult on the design and architecture of new systems and products to ensure they are built securely and use our services correctly.
This role may require flexibility to be on-call outside of standard working hours to address technical issues as needed.

8+ years of relevant professional experience
Software development and distributed systems design expertise
Strong security background with a focus on implementation, not policy/compliance
Bonus / nice-to-have skills
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
Linux/UNIX system administration proficiency
Familiarity with Go and/or Python + Salt specifically