Staff AI Engineer for Robots & Pencils. One opening. Remote US role; start date ASAP. Includes approximately 20% travel for in-person interview and one-week onboarding, expenses covered. Compensation: $130,000-$198,000. Authorization: must be legally authorized to work in the US; no sponsorship. This is a senior backend/AI engineering role in a mature production AI environment with real enterprise users. The role focuses on Python and Node.js backend engineering, AWS-native serverless architecture, DynamoDB single-table design, and production-grade AI platform engineering: LLM function/tool calling, multi-agent orchestration, vector databases/OpenSearch, RAG, and streaming LLM responses. Responsibilities include building and maintaining backend services, developing APIs, contributing to full-stack integration, supporting workflow orchestration and event-driven processes, improving reliability, troubleshooting production systems, supporting deployment/release processes, participating in...