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.
User embeddings Built user embeddings using Collaborative Filtering and user history. Designed pipeline to resolve cold start problem. Proved predictive value in recommendation models.EmbeddingsStreamingWorkflow ManagerCollaborative FilteringSVD
Some substantial projects may be excluded due to proprietary information.