Senior Web EngineerArchitect high-performance web experiences for top-tier B2B SaaS—and set the new technical standard for modern marketing sites.Our website is our most important marketing asset — where pipeline starts, brand is formed, and every campaign dollar lands. We need a web engineer who sets our technical direction rather than taking tickets: an elite engineering mind who understands that code is a lever for revenue. You’ll work on a stack built on Astro.js, TypeScript, and Sanity, integrated with HubSpot, GTM, Google Analytics, Intercom, and Zendesk.In this role, you will…Own the systems architecture for our marketing website — authoritative decisions on platform, stack, infrastructure, and performance, with daily hands-on work in the codebasePrototype and deploy AI-driven features — personalisation, dynamic content, intelligent search — with AI tooling as a default part of your workflowDesign the technical foundation for experimentation at scale: A/B testing frameworks, personalisation middleware,



and rapid iteration pipelinesArchitect the Sanity content infrastructure for a “Create Once, Publish Everywhere” workflow, including content models, reusable blocks, and ingestion pipelinesOwn the website data layer, event architecture, and tracking standards; monitor and optimize Core Web Vitals, uptime, and technical SEO/AI visibility continuouslyProvide technical oversight of external agencies and contractors: enforcing PR standards, CI/CD pipelines, and ensuring output meets our architectural barBring data-backed recommendations to senior stakeholders and colleagues, and raise the bar for web engineering across the organizationThis position is for you if you have…6+ years of web development experience ideally in a B2B Saas environmentPractical Astro.js and Sanity experience; Next.js/TypeScript backgrounds considered with strong Sanity proficiencyA track record of guiding major web projects end-to-end — architecture through launch — with rigorous engineering

📌 Senior Web Engineer (España)
🏢 Supermetrics
📍 España