Lead Security Engineer, Checkout

Cloudflare is hiring a Lead Security Engineer, Checkout to join our fully remote team in the United States. As a Lead Security Engineer, Checkout, you'll design, build, and ship reliable software that scales to millions of users. This is a freelance, work-from-home role open to candidates across the US (Remote — US (East Coast)). About the role You'll design, build, and ship reliable software that scales to millions of users, partnering with a friendly, distributed team across US time zones. We care about outcomes over hours and give you the autonomy, tools, and support to do your best work from home. What you'll do: • Collaborate with product and design on new initiatives • Write clean, well-tested, and documented code • Review pull requests and mentor teammates • Improve performance, reliability, and developer experience • Develop, test, and maintain features across the stack What we offer: • Home office and wellness stipends • Annual learning and professional development budget • Flexible working hours across US time zones • 401(k) retirement plan with company match • 100% remote, work-from-anywhere-in-the-US culture How we work We're remote-first and async-friendly. Expect clear documentation, regular feedback, supportive teammates, and real opportunities to grow your career. Cloudflare is proud to be an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for everyone.

Minimum qualifications: • 7+ years of experience, including leading teams or projects • US work authorization • Strong communication in a remote, async environment • Solid understanding of data structures, APIs, and databases • Experience with version control and CI/CD Nice to have: • Familiarity with modern collaboration tools (Slack, Notion, Linear) • A track record of taking ownership and shipping independently