Principal Mobile Engineer, Billing

Cloudflare is hiring a Principal Mobile Engineer, Billing to join our fully remote team in the United States. As a Principal Mobile Engineer, Billing, 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). 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: • Write clean, well-tested, and documented code • Improve performance, reliability, and developer experience • Develop, test, and maintain features across the stack • Collaborate with product and design on new initiatives • Review pull requests and mentor teammates What we offer: • Generous paid time off and company holidays • 100% remote, work-from-anywhere-in-the-US culture • Paid parental leave • Home office and wellness stipends • Competitive salary and meaningful equity 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 • Proficiency in one or more modern languages (TypeScript, Go, Python, or Java) Nice to have: • Familiarity with modern collaboration tools (Slack, Notion, Linear) • A track record of taking ownership and shipping independently