Senior Frontend Engineer, Marketing Website

Requirements

  • 5+ years as a software engineer, including 3+ at senior level, focused on front end for content-driven or marketing platforms.
  • Real ownership of a content model in Sanity, with experience designing schemas using GROQ and Portable Text.
  • Deep front-end expertise in HTML, CSS, TypeScript, component API design, and shared library developer experience.
  • Ability to work end-to-end: comfortable with SSR, serverless/edge runtimes, API routes, SQL databases, secrets, and CI.
  • Strong understanding of responsive design, cross-browser compatibility, web performance, and building to WCAG 2.2 AA accessibility standards.
  • Focus on performance, SEO, analytics events, and conversion metrics, with accountability toward these outcomes.
  • Strong craft, attention to detail, and ability to balance design intent with engineering constraints.
  • Excellent communication and collaboration skills, with a commitment to mentoring and skill development of peers.

Nice to Haves

  • Experience with large SaaS marketing websites handling real traffic and stakes.
  • Familiarity with Astro or similar islands/static-site frameworks.
  • Experience using Cloudflare Workers or other edge/serverless platforms.
  • Knowledge of AWS Lambda.
  • Experience with Tailwind CSS v4 and token-based design systems.
  • Interest or experience in making component libraries and content models consumable by AI agents.
  • Strong design sensibility and ability to improve or push back on design decisions.
  • Experience with localisation and internationalisation at global scale.
  • Analytics and tag management experience, including dataLayer events, server-side tagging, and performance-conscious attribution.

What You'll Be Doing

  • Build, scale, and evolve the section library: Astro components, Sanity schemas, and design tokens for marketing pages.
  • Own the content model by designing schemas that prevent misuse and enable correct page construction by editors or agents.
  • Translate Figma component specs into responsive, accessible production-ready code across devices.
  • Extend the platform to enable AI-assisted development for generating on-brand, on-spec sections from design specs.
  • Ensure SEO integrity with focus on canonicals, sitemaps, structured data, redirects, and traffic stability on launch.
  • Raise engineering standards via thorough code review, reusable patterns, and targeted testing.
  • Maintain and extend localisation support across nine locales and manage the translation pipeline.
  • Shape the website platform’s technical direction and champion its adoption among content publishers.

Perks and Benefits

  • Hybrid work model with preference for London, UK office; remote options available in Europe subject to compliance.
AI Summary ✨

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