Amazon Software Engineer Amazon 

United States, California, Palo Alto 

893153007

Our service is designed to support both lexical and semantic matching using state-of-the-art (SOTA) approximate near neighbor (ANN) search on learned vector representations (embeddings).As a member of this team you will get a chance to dive deep into search engine internals and improve its lexical and semantic matching capabilities. You will also get a chance to partner with teams building conversational search experience on top of our Search Engine.Key job responsibilities
- Dive deep into search engine internals to identify opportunities for improving performance and efficiency of Search Engine.
- Collaborate with partner teams to turn feature requests into requirements and work with Senior and Principal engineers to define project roadmap.
- Own the end-to-end delivery on a medium complexity project.
- Contribute to open source Lucene and bring latest advancements in Lucene in house.
- Improve the semantic matching capabilities of Search Engine.
- Design and develop tooling to improve operational efficiency.
- Participate in oncall and maintain a high bar on operational excellence.

- 5+ years of non-internship professional software development experience
- 2+ years of non-internship design or architecture (design patterns, reliability and scaling) of new and existing systems experience
- Experience programming with at least one software programming language
- Bachelor's degree in computer science or equivalent
- 2+ years of big data technologies such as AWS, Hadoop, Spark, Pig, Hive, Lucene/SOLR or Storm/Samza experience
- 2+ years of server-side development experience

- Master's degree in computer science or equivalent
- 2+ years of building large-scale machine-learning infrastructure for online recommendation, ads ranking, personalization or search experience