Senior Software Engineer (Agentic Search) - Web Rendering Engineer

We are looking for a Senior Software Engineer to build the rendering infrastructure behind a novel search engine designed for agentic AI. In this role, you will design systems that transform modern web applications into high quality structured content for search and AI. You will work on browser rendering, JavaScript execution, and large-scale rendering infrastructure capable of processing billions of pages efficiently.

Modern websites increasingly rely on client-side rendering, dynamic data loading, and complex application frameworks. Your work will ensure we can reliably render, understand, and extract valuable information while minimising cost and latency. In this position, your responsibility will be to:Design and build large-scale rendering systems for modern web applicationsDevelop browser-based rendering infrastructure capable of executing complex JavaScript applications reliablyResearch how modern frontend frameworks render and deliver contentImprove rendering quality, completeness, and performance across diverse websitesOptimise rendering cost, latency, resource utilisation, and throughput at internet scaleTranslate rendering research into reliable production systemsRequirements: Have 5+ years of experience as a software engineer working on production backend or infrastructure systems and are an expert in several of the following areas:Browser RenderingChromium rendering pipeline - DOM, Layout, Paint, and CompositingJavaScript execution inside browsers and rendering lifecycle and page readinessHeadless browser execution and browser instrumentationChrome DevTools Protocol (CDP)Playwright, Puppeteer, Selenium, or similar frameworks Modern Web ApplicationsReact, Vue, Angular, Svelte, and modern frontend architecturesServer-side rendering (SSR), client-side rendering (CSR), and streaming renderingSingle-page applications (SPA) and Progressive Web Apps (PWA)Resource loading, lazy loading, and modern JavaScript bundlesThis position is open to all candidates.