Senior AI Engineer - LLM-Powered Financial Command

Mercury in New York is seeking an experienced software engineer to evolve Command, Mercury's LLM-powered financial assistant. You will design and ship new skills for workflows like sending payments, managing invoices, and understanding cash flow, and own end-to-end capabilities from system prompts to frontend rendering. You will build agentic architectures, tune prompts, and lead eval harnesses. The role requires mentoring engineers, balancing latency with cost, compliance, and safety, using

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