Back Market

Frontend Engineer · Full-time · Scale-up, e-commerce · Paris · Jan 2024 – Dec 2024

Trade-in (Buyback) team: the funnel where customers get an instant offer for their old device, live across Europe, the US and Japan.

The company

Customers: 18M; TIME100 Companies 2026
Gross merchandise volume, 2025: $3.5bn; TIME100 Companies 2026
Raised since 2014: $1bn+; Back Market, about us
Countries: 18; IFA Berlin, Back Market profile

Product

Back Market trade-in page: trade in old devices for cash, offers from 250+ refurbishers — The Trade-in funnel entry on backmarket.com, captured October 2026

Use cases

Trade-in funnel
Instant offers for an old device from 250+ refurbishers.
Recycling feature
Built it; used by thousands of customers in its first months.
Site and back office redesign
Contributed to the redesign, with unit and end-to-end tests for the core listing and purchase flows.
Practices and monitoring
Helped set frontend practices adopted across squads (code review, conventions, ESLint) and set up Datadog error monitoring.

Stack

Nuxt 3
Vue 3
TypeScript
Vitest
Playwright
Tailwind
Datadog
Terraform

backmarket.com ↗

Figures from my CV.