Shailesh Kumar Singh
Shailesh Kumar Singh is a Software Development Engineer at Amazon Web Services, working on OpenSearch. His work focuses on building high-performance analytics systems at scale, with contributions to aggregation optimization through Star Tree indexing and efficient data processing and compaction using Parquet. He is particularly interested in designing scalable systems that balance performance, storage efficiency, and real-world usability.
He holds a Bachelor’s degree in Computer Science from BITS Pilani, with a minor in Finance, and is interested in scalable systems and fintech.
Amazon
Session
Discover how OpenSearch breaks linear scaling. Inspired by Apache Pinot, the Star-Tree index moves performance dependency from document count to field cardinality. Learn how we extended Lucene’s DocValues to build multi-dimensional materialized views that deliver sub-second analytics on billion-scale datasets for observability workloads.