Sr Software Engineer at Amazon

Vaibhav Jain  • Peerlist

Implemented a search-engine using Lucene API for Java. Search results were ranked using PageRank and Auth/Hub and clustered through K-means. Also provided relevance feedback using Rocchio relevance feedback mechanism.


Search Engine

Implemented Column-oriented database by modifying Java Minibase– a row-oriented database for educational purposes. Implemented indexing for the column-oriented database by modifying existing indices and adding a new one.


Column-oriented database

Implemented API for creating user-level threads and provided synchronization primitives with non-preemptive scheduling.