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Principal Software Engineer

Publicis Groupe
hybrid
San Diego, California Posted Sep 8, 2026

About this role

Principal Engineer, AI/ML & Cloud

Overview

Principal Engineer, AI/ML & Cloud, to serve as the top individual-contributor technical authority for our customer-facing AI capabilities and the cloud platform that powers them. This is a strategy-and-architecture role: you will define the reference architecture for Generative and Agentic AI on the platform, establish the engineering standards other teams build against, and personally deliver the hardest, highest-leverage pieces of the system. You will operate as a force multiplier across the AI/data science and platform engineering teams — shaping direction through architecture, design reviews, and hands-on mentorship rather than through people management.

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