Senior ML Engineer - AI Content Quality & Discovery

Google Inc.; Mountain View (CA); On-site; USD 262,000 - 364,000; Full time

Job summary

Google is seeking a Senior Staff ML Software Engineer in Mountain View to advance AI-generated content quality for the Discover and Notifications surfaces. You will design scalable ML systems, integrate evaluation frameworks, and collaborate across teams to improve content quality at massive scale.

The role focuses on end-to-end personalization, system optimization, and leveraging feedback signals to enhance model performance for billions of users globally.

Qualifications

• Bachelor's degree in Computer Science, a related technical field, or equivalent practical experience.
• 8 years of experience in software development.
• 7 years leading technical project strategy, ML design, and working with industry-scale ML infrastructure (e.g., model deployment, model evaluation, data processing, debugging, fine tuning).
• Experience building quality evaluation frameworks for large language models.
• Experience building and deploying recommendation systems models (retrieval, prediction, ranking, personalization, search quality, embedding) in production.

Responsibilities

• Lead the development of advanced AI-generated content (AIGC) recommendation frameworks and agentic flows to generate high-quality content for Discover and Notifications.
• Build and implement advanced offline and online quality evaluation frameworks for LLMs to ensure content factuality, freshness, and coherence.
• Conduct advanced quality evaluations and leverage dense recommendation signals and feedback to improve the overall performance of the AIGC stack.
• Drive end-to-end modeling for the personalization flow, focusing heavily on inventory quality, retrieval, ranking, user understanding, and budgeting predictions.
• Optimize ML inference and resolve system-level bottlenecks to improve serving efficiency for low-latency, high queries-per-second (QPS) global surfaces.

Skills

ML design

Model deployment

Data processing

Fine-tuning

Quality evaluation

Recommendation systems

Education

Bachelor's degree in Computer Science or related field

Master's degree or PhD in Engineering/CS

Job description

Google is seeking a Senior Staff ML Software Engineer in Mountain View to advance AI-generated content quality for the Discover and Notifications surfaces. You will design scalable ML systems, integrate evaluation frameworks, and collaborate across teams to improve content quality at massive scale.

The role focuses on end-to-end personalization, system optimization, and leveraging feedback signals to enhance model performance for billions of users globally.