Senior Software Engineer - Java

At Squarespace, we're reimagining how people bring their ideas to life online. Our Product Engineering teams are at the heart of that mission — building the seamless, powerful experiences our customers rely on every day.

As a Backend Engineer, you'll be part of a collaborative, high-impact team working to create scalable, reliable systems behind some of the most intuitive tools on the web. Whether you've been in the industry for three years or twenty, if you're passionate about designing elegant solutions— we want to hear from you. This is a hybrid role working from our NYC office 3 days per week.

You will report to the Engineering Team Manager.

We're hiring across several impactful product teams. Based on your experience and interests, you could join one of the following:

• Website Foundations: Power the core of Squarespace's CMS — from high-performance APIs and efficient caching layers to evolving our monolithic codebase. This team owns the platform our website builder runs on — the crown jewel of Squarespace.
• Checkouts + Payments:Redesign how customers subscribe to Squarespace — from choosing the right plan to checking out with their preferred payment method. This team focuses on creating flexible, transparent purchasing experiences.
• Corporate Applications: Act as internal consultants, creating custom solutions for departments like Marketing, Legal, and Security. From modern web apps to high-volume event pipelines, this team builds the tools that help Squarespace grow from the inside.

• Build scalable backend services in Java and related technologies.
• Write clean, efficient code that powers high-traffic, production-ready systems.
• Contribute to design decisions and architectural discussions.
• Collaborate with engineers, designers, and product managers.
• Create features from concept through implementation to launch.

• 7+ years of professional experience in backend development using Java, Python, C, or similar languages
• Experience building large-scale, distributed systems
• Strong computer science fundamentals: data structures, algorithms, and system design
• Comfortable working in collaborative environments where feedback is valued
• A degree in Computer Science — or equivalent industry experience that speaks for itself

• You'll work with passionate, thoughtful engineers solving real-world problems.
• You'll shape products used by millions of people around the globe.
• You'll be supported in growing your skills and your career.
• You'll find a workplace that values inclusivity, creativity, and curiosity.

• A choice between medical plans with an option for 100% covered premiums
• Fertility and adoption benefits
• Access to supplemental insurance plans for additional coverage
• Headspace mindfulness app subscription
• Global Employee Assistance Program
• Retirement benefits with employer match
• Flexible paid time off
• 20 weeks for parental leave and up to 12 weeks to care for an ill family member
• Pretax commuter benefit
• Education reimbursement
• Employee donation match to community organizations
• 8 Global Employee Resource Groups (ERGs)
• Dog-friendly workplace
• Free lunch and snacks
• Private rooftop
• Hack week twice per year

The base salary for this position will vary based on job-related criteria including relevant skills, experience, and location, among other factors.

In addition to the cash compensation above (which includes base salary and, where applicable for eligible roles, may include on-target commissions or overtime pay), Squarespace employees are eligible to be granted an option to purchase our common stock.

Squarespace is a design-driven platform helping entrepreneurs build brands and businesses online. We empower millions of customers in more than 200 countries and territories with all the tools they need to create an online presence, build an audience, monetize, and scale their business. Our suite of products range from websites, domains, ecommerce, and marketing tools, as well as tools for scheduling with Acuity and creating and managing social media presence with Bio Sites and Unfold.

Our team of more than 1,500 is…