Josh Walters


Principal Software Engineer, Splunk, December 2017 to present Principal Software Engineer, Yahoo, June 2012 to December 2017


UC San Diego
Bachelors of Science in Computer Science

UC San Diego Extension
Certificate, Data Mining


Sessionizing Data Pipelines with Minimal Look-backs and Delayed Look-forwards
US14717119 Filed May 2015

Method for Ranking Social and Search Web Traffic with Virality Scores
US14566572 Filed December 2014

Publications & Presentations

Demystifying Dark Matter for Online Experimentation
IEEE BigData, November 7th, 2017

Faster, Faster, Faster!: The True Story of a Mobile Analytics Data Mart on Hive
Hadoop Summit, June 28th, 2016

Method and System for Performing Funnel Analysis in MapReduce Systems, March 15th, 2016

Deep Data Partitioning in MapReduce
XLDB, May 19th, 2015

Method and System for Behavioral Testing of Big Data Pipelines using Statistical Distributions, February 13th, 2015

Method for Partitioning MapReduce Tasks, June 17th, 2014