You will partner with cross-functional teams to change how hundreds of millions of people use their computers and mobile devices to search and provide users with results that best satisfy their information seeking needs.degree in Computer Science, Machine Learning, or related field with 2+ years of industry experience building production ML/AI systems, OR PhD degree in a related field Proficiency in mainstream programming languages such as Python, Scala, and Go Experience building and maintaining large-scale data systems, knowledge graphs, and end-to-end ML pipelines in production, ideally using the Apache software stack (e.g., Spark) Hands-on experience with machine learning frameworks such as PyTorch or TensorFlow in production environments Experience with natural language processing, statistical data analysis, and model evaluation methodologies Demonstrated ability to collaborate with cross-functional teams including product, engineering, and data science Experience with CI/CD pipelines, model deployment, and monitoring solutionsMS degree with 6+ years of industry experience building and scaling ML/AI systems, OR PhD degree with 3+ years of industry experience in production ML environments Proven track record designing, deploying, and maintaining large-scale distributed ML systems serving millions of QPS (queries per second) Experience with A/B testing, experimentation frameworks, and data-driven product iteration at scale Experience designing human-in-the-loop evaluation pipelines and leveraging user feedback to improve model performance Hands-on experience with LLM deployment, prompt engineering, fine-tuning, RAG (Retrieval-Augmented Generation), or other generative AI technologies in production Experience building model monitoring, observability, and quality assurance systems for production ML services Experience optimizing ML systems for latency, throughput, and cost at scale Track record of shipping ML-powered features that measurably improved user experience for consumer-facing products Strong product intuition and ability to translate business requirements into technical solutions. As part of the Knowledge Quality team, you will design and develop features for a platform that touches upon large-scale data management, machine-learning and deep learning systems over graph data and web documents.