About the job
About the Client:
Our client is a leading player in the European online car market, boasting over 30 million monthly users across 18 countries. As a Lead FullStack Engineer, you will significantly influence the evolution of online car marketplaces, enhancing the experience for millions of car buyers and sellers.
Key Responsibilities:
- Evolve and scale our newly launched, native ChatGPT applications and unique Model Context Protocol (MCP) integrations.
- Design and maintain high-traffic, public-facing interfaces hosted on modern AWS cloud infrastructure.
- Engage extensively with AI agents (Claude Code, ChatGPT/Codex) to manage and expand our codebase.
- Operate with full team autonomy, collaborating closely with the Engineering Manager in a co-authoring environment.
- Embrace the 'you-build-it-you-own-it' philosophy, taking complete ownership of the software development lifecycle (SDLC) and ensuring production readiness.
- Investigate and implement cutting-edge AI frameworks and technologies to keep our products at the forefront of the Generative AI market.

