Senior Backend Engineer

CarOnSale is an AI-powered B2B used car trading platform connecting over 40,000 buyers from 20+ countries, with 130,000 vehicles sold annually through their auction backend. They are seeking a Senior Backend Engineer to own backend development end-to-end, from technology selection and architecture design to implementation of features that drive platform performance and scale.

In this role, you will set the technical standards for the backend, including code quality benchmarks, development practices, and CI/CD pipelines. You'll build AI-first, integrating coding agents and LLMs into your daily workflow. Beyond individual contribution, you'll mentor engineers around you, raise the bar on backend practices, and challenge existing approaches when better solutions exist.

CarOnSale offers a hybrid working model with 2 days in office and 3 days remote, plus 25 work-from-anywhere days annually. The company provides competitive benefits including 28 days annual leave, company pension with 20% employer contribution, and virtual stock options.