Software Engineer - Recommendation Infrastructure, Performance Efficiency

Build and optimize high-performance online serving and data infrastructure that powers large-scale recommendation systems globally. Work with recommendation algorithm teams to improve compute efficiency, reduce serving cost, and enhance reliability, scalability, and cross-regional consistency. Diagnose performance bottlenecks across CPU, memory, bandwidth, GPU compute, latency, throughput, and resource allocation, and design automation pipelines for candidate generation, feature processing, training data generation, and online development.