Production ML Field Engineer — Customer Deployments

Fastino is seeking a Forward Deployed Engineer to sit inside customer stacks in San Francisco and drive production-grade ML deployments. You will own technical engagements from first call to go-live, writing integrations, data pipelines, and eval harnesses that run on customer infra. You will fine-tune models, compare against baselines for accuracy, latency, and cost, and debug complex issues across auth, networking, GPU, and security. Travel to customer sites is expected.