Full-time

Principal Machine Learning Engineer Role at eBay

Posted by eBay • toronto, on, Canada

📍 toronto, on 🕒 May 30, 2026

About the Role

Drive impactful ML solutions at eBay as a Principal Machine Learning Engineer, providing guidance and technical strategy to enhance system performance and reliability.

As a Staff ML Engineer, you will take the lead on complex machine learning and software projects, ensuring alignment with product goals. Your role requires 8+ years of experience and proficiency in creating robust ML pipelines. You will mentor other engineers and cultivate an environment that values diverse perspectives and collaboration.

Key Responsibilities: • Lead the design and optimization of ML systems • Define the technical direction for engineering initiatives • Manage complex projects and communicate outcomes to stakeholders • Build and maintain machine learning services at scale • Monitor technical metrics to ensure system health

Requirements: • MS/PhD in Computer Science or related field • Over 8 years of experience in software design • Expertise in leading technical initiatives • St...

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