Senior Frontend Engineer, Marketing Website
Core
Co-owner of the component library, content model, and rendering stack for synthesia.io, enabling marketers and AI agents to build consistent, accessible marketing pages.
Role type
Senior Frontend Engineer (Marketing Website Platform)
Builds
Astro components, Sanity schemas, design tokens, and the tooling for the marketing site platform.
Domain
SaaS Marketing Technology / Content Management Systems
Deliverable
production ML models | product features | dashboards & analysis | research | client delivery | infrastructure | physical/clinical work
Required skills
Sanity content modeling, Astro, TypeScript, HTML, CSS, SSR, serverless, edge runtimes, SQL, WCAG 2.2 AA accessibility, SEO, localization/internationalization
Preferred skills
Cloudflare Workers, AWS Lambda, Tailwind CSS v4, AI agent integration for component generation, analytics implementation
Technologies
Astro, Sanity, GROQ, Portable Text, TypeScript, SQL, Cloudflare Workers, AWS Lambda, Tailwind CSS
Responsibilities
Build and scale the section library and content schemas; take Figma specs to production; extend the platform for AI-assisted development; own SEO integrity; raise engineering standards; maintain localization across nine locales; shape technical direction.
Seniority
Senior, hands-on IC