# Applied Research Engineer, Search Science (Machine Learning, Java, Hadoop)
Job Number: 113093186
Santa Clara Valley, California, United States
Posted: 12-Feb-2018
Weekly Hours:
**Job Summary** The Apple Media Products Search Science team is looking for a world-class applied researcher to build and enhance features improving discoverability of the content in iTunes Store, App Store, Music, Movies, Podcasts, and iBooks. The team is responsible for improving query understanding, classification, and ranking of search results for App Store, Music, Podcasts, Movies, and iBooks.
**Key Qualifications** - - Strong understanding of machine learning algorithms and Information Retrieval Systems* - Proficiency in Java or another OO language* - Scalable data structures, algorithms, and OO software design and implementation skills* - Experience working with parallel processing technologies such as MapReduce and Hadoop* - Knowledge of Lucene/SOLR internals or other Information Retrieval systems* - Strong written and oral communication skills* - Know your way around a Unix command line environment* *
**Description** You will be responsible for feature engineering and model building for search ranking, query understanding, and improving recall and precision of search results. You will use big data technology to baseline and prioritize content discovery features. You will ensure successful deployment of features and ranking models in production, A/B testing etc. You will work in collaboration with other world-class engineers, researchers, and statisticians to ensure the features and models are functioning at or above expected performance levels.
This team writes software for state of the art search and you will be part of bringing the latest in search and discovery ideas to production at a large scale. If you want to craft new ways for customers all over the world to discover content in a rapidly growing catalogue on a range of devices and platforms, this is the place to be.
**Education** BS in Computer Science or related discipline or equivalent experience, MS or PhD preferred.
**Additional Requirements** Apple is an Equal Opportunity Employer that is committed to inclusion and diversity. We also take affirmative action to offer employment and advancement opportunities to all applicants, including minorities, women, protected veterans, and individuals with disabilities. Apple will not discriminate or retaliate against applicants who inquire about, disclose, or discuss their compensation or that of other applicants.
