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Principal AI Platform Engineer

cambridge, MA

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About this opportunity

DataJobs lists this Principal AI Platform Engineer opportunity in cambridge, Massachusetts. Review the employer’s description below for duties, qualifications and application requirements.

Job description

HubSpot is seeking a Principal Machine Learning Engineer to build foundational AI infrastructure for agentive product experiences in Cambridge, MA. The role focuses on scaling systems for evaluation, quality signals, and cost efficiency across HubSpot’s AI-powered platforms.

You will lead platform engineering for agent runtime, evaluation, and model optimization, collaborating with infrastructure, product, backend, and ML teams to advance production-ready capabilities across the company.

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Worksite address

cambridge, MA, 02140, US

Who can apply

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