Senior Software Engineer

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Description

js, PostgreSQL, Docker 🚀 Freshly Funded AI Startup I'm working with a rapidly growing AI-powered software business on a Senior Software Engineer hire and genuinely think it's one of the more interesting opportunities in London right now. The Company The business is building the operating system for the professional secondhand goods market. The global resale industry is booming, but managing inventory across multiple marketplaces remains surprisingly manual. Professional sellers often list products across eBay, Vinted, Depop and Shopify simultaneously. When an item sells on one platform, it needs removing everywhere else immediately. If it doesn't, you've oversold stock and created a customer problem. Their platform solves this through AI-powered tooling that handles listing creation, pricing, inventory management and marketplace synchronisation automatically. Already operating across the UK, US, Australia and New Zealand, the platform processes 1–2 million items annually and is trusted by organisations including Yorkshire Cancer Research, Crisis and Sense. 5m to accelerate expansion. The Engineering Challenge The platform works brilliantly on the happy path. The difficult part is everything that happens outside it. What happens when one marketplace goes offline? How do you recover state? How do you maintain consistency across multiple external systems you don't control? How do you ensure inventory remains accurate when thousands of items are being synchronised across different platforms simultaneously? These are the kinds of problems the engineering team spends its time solving. This role sits at the centre of those challenges and will play a major role in shaping how the platform scales over the

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