Principal Mobile Engineer, Infrastructure

Twilio is hiring a Principal Mobile Engineer, Infrastructure to join our fully remote team in the United States. As a Principal Mobile Engineer, Infrastructure, you'll design, build, and ship reliable software that scales to millions of users. This is a full-time, 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: • Collaborate with product and design on new initiatives • Improve performance, reliability, and developer experience • Develop, test, and maintain features across the stack • Write clean, well-tested, and documented code • Review pull requests and mentor teammates What we offer: • Home office and wellness stipends • 401(k) retirement plan with company match • Comprehensive medical, dental, and vision coverage • Competitive salary and meaningful equity • 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 • Strong communication in a remote, async environment • Experience with version control and CI/CD • Solid understanding of data structures, APIs, and databases • Proficiency in one or more modern languages (TypeScript, Go, Python, or Java) Nice to have: • Comfort communicating clearly and proactively in writing • A track record of taking ownership and shipping independently