Senior AI Infra & Optimization Engineer - Remote

HOAi, the fast-growing AI workforce platform acquired by Vantaca, seeks a Senior AI Infrastructure and Optimization Engineer in the Palo Alto area. You will own the systems, experiments, and feedback loops that drive millions of AI tasks from model selection to routing and execution design, primarily using TypeScript. Build observability, evaluation suites, and optimization loops to maximize task success per dollar while meeting latency and reliability targets.