Principal Full-Stack Engineer, Infrastructure

Twilio is hiring a Principal Full-Stack Engineer, Infrastructure to join our fully remote team in the United States. As a Principal Full-Stack Engineer, Infrastructure, you'll design, build, and ship reliable software that scales to millions of users. This is a contract, work-from-home role open to candidates across the US (Remote — US (West 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: • Write clean, well-tested, and documented code • Collaborate with product and design on new initiatives • Develop, test, and maintain features across the stack • Improve performance, reliability, and developer experience • Review pull requests and mentor teammates What we offer: • Generous paid time off and company holidays • Comprehensive medical, dental, and vision coverage • Competitive salary and meaningful equity • 401(k) retirement plan with company match • Paid parental leave How we work We're remote-first and async-friendly. Expect clear documentation, regular feedback, supportive teammates, and real opportunities to grow your career. Twilio 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 • Proficiency in one or more modern languages (TypeScript, Go, Python, or Java) • US work authorization • Experience with version control and CI/CD • Strong communication in a remote, async environment Nice to have: • Familiarity with modern collaboration tools (Slack, Notion, Linear) • A growth mindset and eagerness to keep learning