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Senior Software Engineer – Media Platform – Javascript
| Company | Squarespace |
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| Location | New York, NY, USA |
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| Salary | $153500 – $247250 |
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| Type | Full-Time |
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| Degrees | |
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| Experience Level | Senior |
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Requirements
- 6+ years of professional experience in frontend development in Javascript with 2+ years of experience in backend development in any language.
- Proficiency with React, JavaScript, HTML, and CSS, including modern frontend tooling (Webpack, Babel, ESLint).
- Experience with web performance techniques, including rendering path optimizations, critical CSS, TTI, LCP, CLS, and other Core Web Vitals.
- Prior experience improving media-related performance (e.g., optimizing large images, video streaming, font delivery, CDN strategies).
- Experience working with or building internal tooling for media workflows, such as uploaders, preview tools, media transformation pipelines.
Responsibilities
- Lead frontend development across media-serving interfaces and tools using React, JavaScript, CSS, and HTML.
- Integrate media APIs and optimize asset pipelines, especially around image, video, and font rendering.
- Improve rendering performance across customer-facing surfaces, applying best practices for lazy loading, progressive rendering, responsive design, and CDN-based optimization strategies.
- Work with designers, infra engineers, and product teams to build performant, user-friendly media workflows.
- Contribute to long-term architectural decisions, including media caching strategies, compression techniques, and CDN configurations.
- Provide mentorship, conduct code reviews, and shape frontend and performance standards for the team.
Preferred Qualifications
No preferred qualifications provided.
