Company Description & Culture Code The Idea Models are a commodity. The harness is the product. The evolution loop is the moat. Anyone can call an LLM; the difference between an impressive demo and a product clients trust with their money lives in the harness (context engineering, memory architecture, tool design, runtime discipline, generative UI, observability) and in the evolution loop that tightens it over time. Optima has to feel at least as good as the best AI products people use today; Claude is the reference bar, not a lofty aspiration. That bar is not cleared with prompts. It is cleared with engineering. We need one head holding that foundation: systems-proficient enough hold production load, AI-native enough to think in agents and traces, versatile enough to ship anything else the work demands. If you know how to build the foundation a state-of-the-art AI product runs on, we're talking about you. Role Description We are recruiting an AI-Native Product Engineer to own the har...