Staff Software Engineer

Staff Engineer - London (Hybrid) - Full-time - paying up to £150k The Opportunity One of the world's biggest, most mission-critical markets still runs on PDFs, spreadsheets, and guesswork. We're building the AI-native platform that fixes that - and we're hiring the engineer who'll shape what comes next. We've found product-market fit, we're scaling fast across new markets, and our customers stick around because the product actually changes how they work. Now we need a Staff Engineer to own the architecture that gets us to the next level. The Role This is a hands-on, high-leverage IC role - part architect, part technical rallying point. You'll set the technical vision for our Core Markets org, align 6+ teams around it, and still write code where it counts. You'll: Own architecture and strategy across Platform, AI, Retrieval, and shared servicesDesign backend systems and APIs that scale with a fast-growing businessPartner with AI/Retrieval teams to push our search and RAG capabilities forwardLead cross-team initiatives from whiteboard to productionRaise the bar through design reviews, mentoring, and sharp technical judgmentUse AI-assisted engineering to move faster, not just talk about moving faster You Have built large-scale backend systems and distributed architectures Think in systems, not tickets, and can lead technical initiatives across teams without needing the authority to force itKnow your way around AWS, Kubernetes, APIs, and modern backend developmentHave touched RAG, search, or vector databases - or want to go deep on themCode fluently in Python (or an equivalent modern language)Communicate clearly and love levelling up the engineers around youBonus points: founding engineer or CTO experience, or a track record of modernizing legacy systems. If this sounds like your kind of problem, even if you don't check every box, we want to hear from you.