Senior Full Stack Engineer - Web Platform & AI Discovery

Remote; San Francisco (CA); Remote; USD 180,000 - 260,000; Full time

Job summary

Calendly is seeking a Senior Full Stack Engineer for its Website Development team. You’ll help build the marketing site and Help Center, working with Marketing, Content, SEO, Design, Product, and Engineering to deliver fast, accessible experiences.

You will own end-to-end projects—from discovery through production— shaping frontend architecture, CMS integrations, performance, experimentation, and AI-powered discovery.

Qualifications

• Seven plus years of professional software development experience.
• Strong proficiency with JavaScript/TypeScript and modern frontend frameworks.
• Experience building production web apps at scale and owning end-to-end features.
• Knowledge of web performance, accessibility, SEO, and APIs.
• Ability to design reusable frontend architectures and collaborate cross-functionally.

Responsibilities

• Build and evolve Calendly’s public-facing web experiences at scale.
• Own frontend architecture, content systems, CMS integrations, and performance.
• Partner with Marketing, Content, SEO, Design, Product, and Engineering.
• Mentor teammates and raise engineering standards with thoughtful reviews.

Skills

JavaScript

TypeScript

Frontend frameworks

Web performance

API integration

SEO

Mentorship

Team collaboration

Tools

Payload CMS

Astro

Job description

Calendly is seeking a Senior Full Stack Engineer for its Website Development team. You’ll help build the marketing site and Help Center, working with Marketing, Content, SEO, Design, Product, and Engineering to deliver fast, accessible experiences.

You will own end-to-end projects—from discovery through production— shaping frontend architecture, CMS integrations, performance, experimentation, and AI-powered discovery.