Senior Engineering Manager, Email

<p>Squarespace is seeking a Senior Engineering Manager to lead our Business Email organization — a high-impact, high-growth product area that plays a critical role in helping entrepreneurs establish and scale their online presence.</p> <p>You will own the technical and organizational leadership of our Business Email platform, overseeing a mature, high-scale ecosystem while driving the development of next-generation communication products. This includes everything from seamless purchase and provisioning flows to complex partner integrations and foundational email infrastructure.</p> <p>This role requires balancing operational excellence and platform reliability with innovation and new product incubation. You will shape long-term strategy in partnership with Product and Design while building and developing the team.</p> <p>This is a hybrid role based in our NYC office (3 days per week), reporting to the Head of Domains Engineering</p> <h2>You'll Get To…</h2> <ul> <li>Lead, grow, and develop a team of engineers through hiring, coaching, performance management, and career development.</li> <li>Partner with Product and Design to define and execute the long-term vision for Business Email, including expansion of our email suite and new communication offerings.</li> <li>Drive Zero-to-One product initiatives from concept through launch, while maintaining and modernizing existing systems.</li> </ul> <ul> <li>Provide technical direction through architecture reviews, system design guidance, and thoughtful trade-off analysis.</li> <li>Build a strong, inclusive engineering culture grounded in accountability, technical excellence, and continuous growth.</li> <li>Ensure long-term system health, scalability, reliability, and operational excellence across distributed systems.</li> </ul> <ul> <li>Collaborate closely