Job Title
Staff Backend Engineer
Salary
£140k-£160k+ + Equity
Company Description
Fleek - VC-backed marketplace platform transforming the global B2C supply chain.
Job Description
As a Staff Backend Engineer at Fleek, you will lead the technical architecture for the Growth squad, overseeing critical ecommerce systems including payments, checkout, and complex order management. Reporting directly to the CTO, you'll build high-traffic product systems that scale from 500K to millions of unique, AI-graded inventory items across three continents.
Location
London, UK
Why this role is remarkable
* Join a high-velocity engineering culture led by CTO Sanket Agarwal (ex-Google, Postmates) in the heart of Shoreditch.
* Tackle massive technical complexity where every single inventory item is unique and graded by proprietary AI-sorting technology.
* Influence the direction of a scaling startup with genuine architectural ownership and a mission-driven approach to global fashion supply chains.
What you will do
* Design and architect robust backend systems for payments, credit, and seller tools to support rapid consumer growth.
* Partner with the Growth squad to connect deep engineering decisions directly to buyer and seller business outcomes.
* Mentor senior engineers while serving as a force multiplier by integrating AI tools into the development workflow.
The ideal candidate
* Proven track record at tier-1 consumer engineering cultures such as Monzo, Deliveroo, Skyscanner, or Wise.
* Extensive experience building and scaling deep backend systems like checkout, data pipelines, or order management at high traffic.
* Product-obsessed mindset with the ability to articulate complex technical trade-offs to both engineering and business stakeholders.
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