Senior Search Systems Engineer, Real-Time AI & IR at Scale

Apple Inc. seeks an experienced Search Systems Engineer to design, build, and optimize real-time search systems at scale, blending traditional keyword methods with vector-based semantic search. You will collaborate with AI/ML scientists to deliver low-latency, high-quality results for a massive user base. You will lead ML-driven ranking, retrieval, and multi-stage reranking pipelines, while advancing NLP pipelines for intent classification, entity extraction, and query expansion.