Sr Machine Learning Engineer - Reddit (June 2021 - October 2022)
I worked on Reddit's User Understanding team, whose main task was to features for use in models, primarily recommendations. I created specific features and established patterns for aggregating content features to users and creating user embeddings. This work focused on both batch and streaming pipelines.
Subreddit depth Designed and implemented bespoke Markov chain approach to compute average time-to-discover for subreddits. Optimized and parallelized expensive matrix computation for >99% speed up.Multitasking (CS)Markov ChainMatricesPageRank
Some substantial projects may be excluded due to proprietary information.