Fleek is a marketplace connecting resellers/vintage stores with vintage wholesalers from around the world. On Fleek, you'll find the greatest vintage and second-hand wholesale fashion from Carhartt jeans to Nascar jackets, Y2K dresses to Reworked Patagonia bucket hats. We empower the trendsetters empowering the circular and sustainable fashion movement.

About Fleek

Fleek is a B2B marketplace for wholesale secondhand fashion. We're on a mission to make secondhand the first choice. We enable resellers and retail stores to buy directly from vintage clothing suppliers around the world.

We’re backed by top Silicon Valley investors including Andreessen Horowitz (a16z), Y Combinator, and the founders of Depop, Shopify, and Postmates.

About the Role

We’re looking for a smart, curious Software Engineering Intern to join our London team for 1–3 months.

You’ll solve real business problems—from scaling new business acquisition to improving the experience for our top customers using AI tools. You’ll work directly with the UK Growth and Product teams, shipping features that have an immediate impact on revenue and user experience.

What You'll Work On

• Build and improve user-facing tools using React, React Native, and Node.js
• Help scale new business acquisition systems and automate workflows using AI/ML APIs
• Build lightweight internal tools to support our sales and customer operations teams
• Ship live features that impact GMV, conversion, and retention
• Take part in standups, reviews, and product feedback sessions—you're one of the team

Who You Are

• 2–3 years into a Computer Science or related degree
• Confident in JavaScript, React, or Node.js, with relevant project or work experience
• Comfortable in a fast-paced, feedback-driven environment
• Curious about how AI can be applied to solve real business problems
• Eager to learn, build, and work with experienced engineers and startup operators
• Bonus: interest in marketplaces, fashion, or ecommerce

What You’ll Get

• In-person experience with a fast-moving, mission-driven team
• The chance to ship code to production and see your work in use
• Mentorship from engineers, founders, and operators
• Flexible internship duration (1–3 months)
• Borrow vintage and rework pieces from our curated in-office collection
• Employee discounts + exclusive supplier access
• Potential for full-time role post-graduation

We are building a video first experience for wholesale. Our customers love shopping live because of the uniqueness of vintage clothing.

We're looking to build a video first native experience which supports ecommerce at the core of it.