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a16z

Software Is Eating the World

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Fleek

a16z portfolio company

Ex-YC Founder

Location
London, England, United Kingdom
Work arrangement
On-site
Job type
Full-time

About the role

Posted May 5, 2026

Reality check: Something didn't work out? We get it. We're looking for founders who still have that fire and want to join something that's still early but some things are already working.

Opportunity: 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've raised over $50M from a16z, Y Combinator, Burda Principal Investments, HV Capital, and others, and have recently closed our Series B. Our advisors and private investors include operators behind Depop, Shopify, and Postmates.

We are expecting that you:

  • Ran a YC company (obviously)

  • Know what worked and what didn't

  • Still want to build something massive

  • Care about applying AI for good for this world

  • Can wear multiple hats

  • Understand both technical and business sides

We're hosting our first-ever hackathon in partnership with Andreessen Horowitz!

On Saturday, 11th July, we're opening the Fleek HQ doors in London for a one-day sprint to build the AI that makes circular fashion operate at scale. RSVP HERE: https://luma.com/usntwjdw

Explore what’s next at Fleek.

Apply for this role

At a glance

Location
London · London, England, United Kingdom
Workplace
On-site
Employment
Full-time
Team
Technology
Apply for this role

You’ll be taken to Fleek to apply.

The company

Fleek

Fleek

Fleek is building a marketplace that makes it as easy as possible to buy, sell, and discover vintage wholesale.

Series B51–200 employeesConsumer
More roles at Fleek

Explore what’s next at Fleek.

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