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Software Engineer - Security Platform

Cloudflare
Full TimemidHybrid
HybridPosted February 6, 2026

Job Description

About Us

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 Internet application online without adding hardware, installing software, or changing a line of code. Internet properties powered by Cloudflare all have web traffic routed through its intelligent global network, which gets smarter with every request. As a result, they see significant improvement in performance and a decrease in spam and other attacks. Cloudflare was named to Entrepreneur Magazine’s Top Company Cultures list and ranked among the World’s Most Innovative Companies by Fast Company. 

We realize people do not fit into neat boxes. We are looking for curious and empathetic individuals who are committed to developing themselves and learning new skills, and we are ready to help you do that. We cannot complete our mission without building a diverse and inclusive team. We hire the best people based on an evaluation of their potential and support them throughout their time at Cloudflare. Come join us! 

Available Locations: Austin, TX

About the team

The Security Platform team is responsible for secrets and internal certificate management at Cloudflare, and has the mandate of building powerful and robust infrastructure and tools that enable other engineering teams to deliver secure products to our customers without sacrificing development velocity. 

What you’ll do

  • Build secure and resilient distributed systems for secrets and key management that runs across our edge network spanning more than 310 cities in over 120 countries
  • Design and benchmark proposals; identify bottlenecks in existing systems
  • Work with and contribute to open source projects that help accelerate our delivery

What you’ll need

  • Familiarity with gossip, consensus and WAL system design and protocols
  • Experience working with large-scale systems (>10,000 nodes) and solving associated challenges
  • Strong technical problem-solving skills and ability to work under design constraints
  • Worked with codebases and developed in Go or Rust

Bonus points

  • Track record of contributing to open source distributed systems projects
  • Strong cryptography background and able to work with cryptosystems at the primitives level
  • Worked with HSMs, TPMs, or other platform TEEs (AMD SEV, Intel SGX, Apple Secure Enclave)

Equity

This role is eligible to participate in Cloudflare’s equity plan.

Benefits

Cloudflare offers a complete package of benefits and programs to support you and your family.  Our benefits programs can help you pay health care expenses, support caregiving, build capital for the future and make life a little easier and fun!  The below is a description of our benefits for employees in the United States, and benefits may vary for employees based outside the U.S.

Health & Welfare Benefits

  • Medical/Rx Insurance
  • Dental Insurance
  • Vision Insurance
  • Flexible Spending Accounts
  • Commuter Spending Accounts
  • Fertility & Family Forming Benefits
  • On-demand mental health support and Employee Assistance Program
  • Global Travel Medical Insurance

Financial Benefits

  • Short and Long Term Disability Insurance
  • Life & Accident Insurance
  • 401(k) Retirement Savings Plan
  • Employee Stock Participation Plan

Time Off

  • Flexible paid time off covering vacation and sick leave
  • Leave programs, including parental, pregnancy health, medical, and bereavement leave

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