Senior Frontend Engineer, Payments

Squarespace is hiring a Senior Frontend Engineer, Payments to join our fully remote team in the United States. As a Senior Frontend Engineer, Payments, 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 (East 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 • Collaborate with product and design on new initiatives • Review pull requests and mentor teammates • Develop, test, and maintain features across the stack • Write clean, well-tested, and documented code What we offer: • Paid parental leave • Annual learning and professional development budget • Flexible working hours across US time zones • Generous paid time off and company holidays • Comprehensive medical, dental, and vision coverage 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 • 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: • Experience working in a fully remote or distributed team • A track record of taking ownership and shipping independently