Create a website and grow your business with a free Squarespace trial. Start with customizable website templates, AI website builder tools, or a domain name. Backed by Accel and Index.
About the role
In this role, you’ll serve as the senior technical voice for the team — driving architecture, shaping roadmap execution, and elevating the engineering quality of a small but high-impact team. This is a hands-on role with real technical depth, paired with broad cross-functional influence. Thank you in advance for providing the following details about your work history from your resume! This helps us ensure that your candidate information is accurate and consistent during the hiring process.
What they're looking for
- 10+ years of backend engineering experience, with significant time building and operating large-scale, customer-facing systems
- Deep expertise in Java and backend service development, including APIs, async processing, messaging systems (ex: Kafka), and data stores (ex: MongoDB, CockroachDB)
- Strong experience with distributed systems in production — including reliability, scaling, failure modes, and observability
- A proven track record of technical leadership at the Staff or Senior-plus level, influencing architecture across multiple teams or services
- Experience evolving existing systems — modernizing legacy platforms, simplifying complexity, and strengthening reliability without unnecessary rewrites
- Experience operating within platform engineering contexts, where your customers are internal or external product teams and the quality of your APIs and abstractions directly shapes their velocity
More about this role
Squarespace is looking for a Backend Staff Software Engineer to lead the technical direction of our Communications Platform team. The Communications Platform is a critical engine powering customer engagement across Squarespace — providing internal teams with a scalable, reliable, and secure infrastructure for delivering communications via email, push notifications and in-product messaging.
The team owns multiple interconnected production platforms that collectively send over 1.75+ million notifications per day, strategic initiatives including platform modernization, In-Product Placements, and multi-channel communication capabilities.
In this role, you’ll serve as the senior technical voice for the team — driving architecture, shaping roadmap execution, and elevating the engineering quality of a small but high-impact team. This is a hands-on role with real technical depth, paired with broad cross-functional influence.
This is a hybrid role based in our NYC office (3 days per week), reporting to the Engineering Manager of Communications Platform.
- Drive the architecture, design, and implementation of the Communications Platform’s platforms — including Email Delivery, In-Product...
Browse similar: Startup jobs