Apple's OpenSearch team is seeking a Senior OpenSearch Engineer to join their world-class search infrastructure team. This role focuses on developing and contributing to OpenSearch, the world's most popular open source search engine. The position involves working on cloud-based search services that power critical Apple workloads across Services, iCloud, Manufacturing, AIML, SWE, HWT, IS&T, and more. You'll be part of a team of experts working on modern database technologies and distributed systems, pushing the boundaries of OpenSearch to deliver enterprise-class performance. The role requires deep expertise in OpenSearch, Lucene, and search engine internals, with opportunities to impact millions of users through deployments handling millions of queries per second across global data centers. This is an excellent opportunity for experienced engineers passionate about search technologies, scalability, and open-source contributions, offering competitive compensation and comprehensive benefits including stock options and medical coverage.