Founding AI Engineer @Plato (backed by Hexa)

<h3><strong>⚖️ Who are we</strong></h3><p style="min-height:1.5em"><strong>Plato is building the AI OS for litigation lawyers.</strong></p><p style="min-height:1.5em">With AI, the legal industry is on the verge of a major transformation. Litigation lawyers are overwhelmed by complex and repetitive tasks: complex damage calculations, thousands of documents to review, days spent drafting legal documents, and more.</p><p style="min-height:1.5em"></p><p style="min-height:1.5em"><strong>Our mission:</strong> Build the leading <strong>AI OS for litigation lawyers</strong>, enabling professionals to work <strong>5x faster</strong>, by putting their whole firm on autopilot.</p><p style="min-height:1.5em"></p><p style="min-height:1.5em">Plato already supports more than 30 law firms and 1 major insurance company’s legal team, who use our solution daily to manage hundreds of active cases.</p><p style="min-height:1.5em">Founded in January 2026 by <a target="_blank" rel="noopener noreferrer nofollow" href="https://www.linkedin.com/in/ben-lasseri/">Ben</a> (CEO) and <a target="_blank" rel="noopener noreferrer nofollow" href="https://www.linkedin.com/in/alexandredeboutray/">Alexandre</a> (CTO), we are backed by Hexa (formerly eFounders), Europe’s leading startup studio. Hexa has launched over 35 companies, including unicorns such as Front, Aircall, and Spendesk, collectively generating more than €230M in ARR and raising over €750M in funding.</p><p style="min-height:1.5em">Plato is live with real users, real data and real revenue, solving concrete legal workflows in production. We’re now looking for a Founding AI Engineer to help us turn the latest advances in AI into reliable products used every day by legal professionals.</p><p style="min-height:1.5em"></p><h3><strong>🎯 Your mission</strong></h3><p style="min-height:1.5em">You’ll work directly with <a target="_blank" rel="noopener noreferrer nofollow" href="https://www.linkedin.com/in/alexandredeboutray/?locale=fr_FR">Alexandre</a> , our CTO, at the intersection of <strong>AI, software engineering and product</strong>.</p><p style="min-height:1.5em">Your job is not to do AI research for the sake of research. You’ll experiment with models and approaches, understand what works, and turn the best solutions into <strong>reliable production systems</strong>.</p><p style="min-height:1.5em">You'll work on problems such as building agentic workflows, making sense complex legal documents, designing autonomous long-running agents, and improving the quality and reliability of AI-generated outputs.</p><p style="min-height:1.5em"></p><p style="min-height:1.5em"><strong>Responsibilities</strong></p><p style="min-height:1.5em"><strong>Build AI-powered product features</strong></p><ul style="min-height:1.5em"><li><p style="min-height:1.5em">Design and ship AI features used directly by lawyers</p></li><li><p style="min-height:1.5em">Be at the bleeing edge of the agentic stack: memory, sandboxes, code mode, lots of tools, subagents…</p></li><li><p style="min-height:1.5em">Turn prototypes and experiments into production-ready feature</p></li></ul><p style="min-height:1.5em"><strong>Work with complex data</strong></p><ul style="min-height:1.5em"><