Sr. AI Engineer - San Francisco - Greylock Partners

    Greylock Partners
    Greylock Partners San Francisco

    1 day ago

    Description

    One of our early-stage investments is looking to bring on a Senior AI Engineer to join the founding technical team.

    We're looking for someone who has built agentic applications in production at a company with a strong engineering bar. This isn't a "tinkering only" role. The ideal candidate is a strong backend software engineer who has moved into applied AI and enjoys building real products with LLMs.

    What you'll do

    • Build and ship agentic applications and AI-powered workflows used directly by customers
    • Design and productionize RAG pipelines and other modern LLM systems
    • Own backend services that support AI features, including async processing, integrations, and data access within customer environments
    • Collaborate closely with product and infrastructure engineers to turn ambiguous problems into reliable systems

    What we're looking for

    • Typically, 5+ years of cumulative software engineering experience (or exceptionally strong with 3+ years)
    • 1+ years building agentic applications in production (preferred)
    • Alternatively, 1+ years building production RAG pipelines or other modern applied AI systems
    • Strong backend engineering foundation: designing services, data models, and async processing systems
    • Experience in environments with a high engineering bar for production AI systems

    Not a fit if your background is primarily

    • Classic ML research or modeling work
    • ML infrastructure / platform roles
    • Pre-training focused experience

    Nice to have

    • Enterprise integrations and working in customer environments
    • Workflow orchestration / job processing frameworks
    • Building internal tools, developer platforms, or UI-driven software

    What makes this compelling

    • Early, high-impact role on a small founding team
    • Opportunity to shape core AI architecture and product direction
    • Strong peers, fast iteration, and real customer problems
    • Competitive compensation and meaningful equity

    Team Size

    We are not recruiting for any roles within Greylock at this time. This job posting is for direct employment with a startup in our portfolio.

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