Mid-Level Backend Engineer — Build Scalable Ad Platform

Jobtailor in London, UK, is seeking an experienced backend or full-stack engineer to design and build reliable, scalable features with minimal supervision. You will participate in architectural discussions and ensure performance, security, and reliability across components.

You will collaborate with Product, UX, and Data/BI to deliver end-to-end solutions, write tests, automate deployments, and help release and maintain our advanced advertising platform, including client bidding and real-time