Junior Security Engineer, Checkout

Twilio is hiring a Junior Security Engineer, Checkout to join our fully remote team in the United States. As a Junior Security Engineer, Checkout, 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 (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: • Improve performance, reliability, and developer experience • Review pull requests and mentor teammates • Develop, test, and maintain features across the stack • Collaborate with product and design on new initiatives • Write clean, well-tested, and documented code What we offer: • Competitive salary and meaningful equity • Comprehensive medical, dental, and vision coverage • Generous paid time off and company holidays • Annual learning and professional development budget • 401(k) retirement plan with company match 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: • 0–2 years of experience or equivalent training • Strong communication in a remote, async environment • Proficiency in one or more modern languages (TypeScript, Go, Python, or Java) • Solid understanding of data structures, APIs, and databases • US work authorization Nice to have: • Comfort communicating clearly and proactively in writing • Experience in a fast-paced, high-growth environment