Full Stack Finance Builder
Fleek · London · mid
salary undisclosed· posted 6d ago
Fleek · London · mid
The fashion industry produces over 100 billion garments a year. 60% end up in landfill, not because people don't want these clothes, but because the supply chain for getting secondhand fashion from donation to resale is completely offline, manual, and broken.
Fleek is fixing this. Our mission is to make secondhand the first choice. We're building the infrastructure powering the global secondhand clothing trade, through a B2B marketplace and the AI systems digitising the supply chain behind it
Through Fleek, vintage stores, online resellers, and retail buyers source graded secondhand inventory directly from wholesalers and rag houses across multiple countries. Our key enabler is FleekSort, an AI model fine-tuned on secondhand fashion, that can grade, price, and categorise items with just a photo, turning what has historically been an opaque and manual trade into a structured, searchable, and tradable global inventory layer.
Since 2022, we've saved 9 million items from landfill and tripled in size year-on-year. We've raised ~$50M from a16z, Y Combinator, HV Capital, and others, and have recently closed our Series B. Our advisors and private investors include operators behind Depop, Shopify, and Postmates.
Today, we serve thousands of resellers and retailers across the UK, Europe, and the US. With the secondhand fashion market projected to reach $350B by 2027, Fleek is building the AI-native operational and financial backbone for secondhand commerce globally.
We're looking for people who want to build something that matters, and move fast doing it. Sound good? Keep reading.
We’re hiring a Full Stack Finance Builder to sit at the intersection of finance, product and engineering. This person will help Fleek automate finance workflows and accounting logic by turning business events into clean system behaviour, integrations and ledger outputs. It’s an unusually cross-functional role for someone who likes building real systems, not just analysing them.
This is not a standard finance systems role, and it’s not a standard software role either. The challenge is to understand how Fleek’s business actually works, how order states change, how cash moves, how capital gets allocated and then encode that into finance automation. That means building the connective tissue between the product, the data and the accounting layer.
What makes the role special is the blend. You need enough technical ability to build, enough product sense to understand what should happen and enough finance context to map business events into accounting outcomes. If you enjoy operating across domains and solving messy operational problems with systems, this is a rare opportunity to do it with real ownership.
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Fleek · London