Senior Full-Stack Engineer, Billing

Squarespace is hiring a Senior Full-Stack Engineer, Billing to join our fully remote team in the United States. As a Senior Full-Stack Engineer, Billing, 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 — USA). 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 • Write clean, well-tested, and documented code • 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: • Comprehensive medical, dental, and vision coverage • Flexible working hours across US time zones • Paid parental leave • Competitive salary and meaningful equity • Home office and wellness stipends How we work We're remote-first and async-friendly. Expect clear documentation, regular feedback, supportive teammates, and real opportunities to grow your career. Squarespace is proud to be an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for everyone.

Minimum qualifications: • 5+ years of relevant experience • Experience with version control and CI/CD • Solid understanding of data structures, APIs, and databases • US work authorization • Strong communication in a remote, async environment Nice to have: • Experience working in a fully remote or distributed team • Experience in a fast-paced, high-growth environment