Lead ML Engineer (recommendation systems)

About Swap Swap is the infrastructure behind modern agentic commerce. The only AI-native platform connecting backend operations with a forward-thinking storefront experience. Built for brands that want to sell anything - anywhere, Swap centralises global operations, powers intelligent workflows, and unlocks margin-protecting decisions with real-time data and capability. Our products span cross-border, tax, returns, demand planning, and our next-generation agentic storefront, giving merchants full transparency and the ability to act with confidence. At Swap, we’re building a culture that values clarity, creativity, and shared ownership as we redefine how global commerce works. ABOUT THE ROLE As Senior/Lead ML Engineer (Recommendations), you will own the intelligence behind what Swap's AI Storefront shows to every shopper. This is a deeply technical, hands-on role at the intersection of recommendation systems, LLMs, and fashion understanding. You'll build the models and pipelines that power style-aware product recommendations, outfit generation, and personalised discovery, working end-to-end from research and prototyping through to production systems serving real customers. You'll work closely with our conversational AI layer, which extracts rich preference signals through dialogue, and find ways to combine that with traditional e-commerce behavioural data and LLM-based world kn...