Principal Machine Learning Engineer

Job Summary

A company is looking for a Principal Software Engineer - Machine Learning.

Key Responsibilities

• Build and scale ML infrastructure for personalization, search, ranking, and ad tech
• Design and implement zero-to-one systems, including real-time learning and data pipelines
• Lead technical design, architecture, and cross-team alignment for major ML initiatives

Required Qualifications

• Proven experience building and scaling ML infrastructure for personalization and relevance
• Deep expertise in data infrastructure, distributed systems, and large-scale data pipelines
• Experience working in a consumer product company with ML models operating at scale
• Strong systems design skills and a track record of leading architecture
• Experience mentoring and elevating other engineers