Senior Software Engineer - Infrastructure Engineering in New York, NY

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Consumer Technology   •  

5 - 7 years

Posted 7 weeks ago

The Infrastructure Engineering teams are looking for passionate software engineers with experience in server-side programming to help scale, and support the underlying systems, services and APIs powering the features on our highly interactive web applications.

The Infrastructure Engineering teams are responsible for evolving Squarespace's massive engine that serves millions of users worldwide. We build the reverse proxies and caching layers that process 1.5+ billion requests every day, integrate with CDNs, handle TLS termination and understand HTTP/2. We develop the software that works with our storage, database and search infrastructure across all of our data centers, ingesting close to 2 TBs of data per day. Our internal products include an asynchronous jobs framework and a powerful microservices framework, both used by 150+ software engineers in the wider organization. We create services that can be reused by product teams, including localization, certificate management, screenshotting, authentication, notification and billing services, and the image service that processes 2 million images per day.


  • Write high-quality server-side code, create powerful high-volume production applications, and develop prototypes quickly
  • Analyze and improve efficiency, scalability, reliability and performance of our software platforms and systems infrastructure at the core of Squarespace
  • Practice disciplined software engineering through beautiful, readable code, code reviews and automated testing
  • Partner with a team of experienced engineers to test your ideas and understand the system, and mentor junior team members


  • Strong object-oriented programming experience in Java, Go, Python OR any other OO language
  • 5+ years of experience building large-scale software and distributed systems
  • A strong understanding of, and experience with, web application development
  • A solid foundation in computer science, with competencies in data structures, algorithms, and software design practices.
  • Strong understanding of database design, caching and scalability, and knowledge of TCP/IP (network programming is a plus)
  • BS, MS, or degree in Computer Science or related technical field or equivalent industry experience