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Senior Full Stack Engineer, Website Development

Calendly· Engineering
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Remote$224.4k - $271.9kFull-timePosted 3w ago

About the role

Senior Full Stack Engineer role focused on building and evolving Calendly’s public-facing web experiences (marketing site and Help Center) at scale, partnering with Marketing, Content, SEO, Design, Product, and Engineering to deliver fast, accessible, and maintainable web experiences and shaping the technical foundation behind them.

Responsibilities

  • Design, build, and maintain performant, responsive, and accessible web experiences used by millions of visitors.
  • Own projects end to end, from discovery and technical design through implementation, testing, deployment, measurement, and iteration.
  • Build scalable frontend architecture, reusable components, and content models for rapid, quality launches and iterations.
  • Build and maintain integrations across web applications, CMS, analytics and experimentation platforms, APIs, and other Calendly systems.
  • Partner with Marketing, Content, SEO, Design, and Product to translate business and customer needs into scalable technical solutions and efficient publishing workflows.
  • Apply technical SEO and Answer Engine Optimization (AEO) best practices to improve content discovery across traditional search and AI-powered experiences.
  • Monitor and improve Core Web Vitals, site performance, accessibility, reliability, and overall web quality.
  • Help shape the technical direction of Calendly’s public web platform through architecture simplification, developer experience improvements, and engineering mentorship.

Qualifications

  • 7+ years of professional software development experience, including significant experience building and operating production web applications at scale.
  • Strong proficiency with modern JavaScript and TypeScript, modern frontend frameworks, and core web technologies (HTML, CSS).
  • Strong understanding of browser behavior, responsive design, accessibility, caching, and web performance.
  • Experience designing scalable frontend systems and reusable component architectures.
  • Experience integrating web applications with APIs, CMS, analytics platforms, experimentation systems, and other services.
  • Working knowledge of technical SEO, including crawlability, indexing, metadata, structured data, site architecture, redirects, canonicalization, and performance, plus familiarity with AEO and AI-powered discovery.
  • Experience measuring and improving performance, accessibility, and quality of high-traffic web applications.
  • Strong engineering fundamentals with clean, maintainable code, thoughtful testing, and incremental delivery.
  • Strong communication and collaboration skills with the ability to shape problems and drive technical solutions from idea to production.
  • Authorized to work lawfully in the United States (Calendly does not sponsor immigration).

Skills

Required:JavaScript/TypeScriptFrontend frameworksHTML/CSSWeb performance/SEO/AEOCMS integrationsAccessibilityCollaboration/communication
Nice to have:Content modeling

Benefits

  • Equity awards for full-time employees
  • Competitive benefits
  • Sales Incentive program for eligible Sales employees
Last updated Sep 30, 2026. Interested? Apply on the company site.

About Calendly

Free Online Appointment Scheduling Software | Calendly

Calendly is the modern scheduling platform that makes “finding time” a breeze. When connecting is easy, your teams can get more done.

scheduling automationmeeting notetakercalendar integrationsvideo conferencingenterprise software
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