Become a part of our caring community Every large organization is making critical decisions today about how it will leverage AI over the next decade. Few have leaders who can both define that vision and demonstrate its viability through hands-on engineering. This role requires both. We build the platform that transforms millions of clinical documents into trusted, actionable data. Our systems use large language models (LLMs) to read medical records, extract structured facts, answer complex questions with citations to source documents, and route difficult cases to human experts. These capabilities support decisions that impact real healthcare outcomes for members. As a Principal AI Applied Engineer, you will define the technical strategy, architectural standards, and long-term vision for AI-enabled products across the organization. You will influence enterprise-wide decisions regarding AI platforms, model strategies, engineering standards, and technology investments while remaining deeply hands-on in prototyping, experimentation, architecture, and software development. This is the highest-level individual contributor role within the AI Applied Engineering organization. Success requires exceptional technical depth, organizational influence, strategic thinking, and the ability to translate emerging AI capabilities into scalable, reliable, and responsible production systems. Why Join Us Shape the long-term AI architecture and engineering direction for a large enterprise healthcare organization. Influence how AI-enabled products are designed, built, evaluated, deployed, and governed across multiple teams. Drive strategic decisions involving models, vendors, platforms, infrastructure, and shared capabilities. Prototype and validate emerging technologies before the organization invests at scale.</
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About the Team DoorDash Ads has become one of the fastest growing parts of DoorDash and a core pillar of the company's growth. Our Ads platform serves two core customer groups, Restaurant and CPG advertisers, and is rapidly expanding from enterprise into mid-market and SMB. The business is scaling fast, and we're building the infrastructure to match it. We are evolving from a first-generation platform into a sophisticated, full-funnel advertising system. The architectural decisions made now will define how DoorDash Ads scales across restaurants, retail, and grocery for the next decade. About the Role As a Principal Engineer on Ads, you will serve as the technical leader for the Ads organization, setting architectural direction and driving the long term technical strategy for the systems that power our entire advertising business. This is an individual contributor role with organization-
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Pursuant to the San Francisco Fair Chance Ordinance, Los Angeles Fair Chance Initiative for Hiring Ordinance, and any other state or local hiring regulations, we will consider for employment any qualified applicant, including those with arrest and conviction records, in a manner consistent with the applicable regulation
Department · Ads Engineering
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DoorDash USA
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