Allen Sun
About Allen Sun
Allen Sun is the Team Lead for the Recommender System at Credit Karma, where he has implemented a sophisticated recommendation system for the UK marketplace. He has extensive experience in machine learning and software engineering, having previously held senior roles at Mimecast, Entuity, and Xerox.
Work at Credit Karma
Allen Sun serves as the Recommender System Team Lead at Credit Karma since 2020. In this role, he has implemented a state-of-the-art recommendation system tailored for the UK marketplace, developed from the ground up. He actively advocates for the team's initiatives and promotes the integration of machine learning technologies within the organization. His work involves extensive use of the Google Cloud Platform (GCP) tech stack, including tools such as GKE, PubSub/Dataflow, BigQuery/BigTable, and Vertex AI. Allen's leadership in this area contributes to enhancing user experiences through personalized recommendations.
Education and Expertise
Allen Sun earned a Bachelor’s degree in Computer Science from East China University of Science and Technology, completing his studies from 2000 to 2004. He possesses in-depth knowledge of building complex machine learning platforms, utilizing programming languages such as Scala and Python. His educational background and technical expertise enable him to lead innovative projects in machine learning and data engineering.
Background
Before joining Credit Karma, Allen Sun held several positions in the technology sector. He worked as a Senior Data Engineer at Mimecast from 2016 to 2019 in London, where he focused on data-driven solutions. Prior to that, he was a Senior Software Engineer at Entuity from 2011 to 2016, also in London. His career began at Xerox, where he served as a Software Engineer from 2006 to 2011 in Welwyn Garden City. This diverse background in software engineering and data engineering has equipped him with a broad skill set.
Achievements
During his career, Allen Sun has led significant projects, including the development of the Credit Vision Ingestion pipeline to the Feature Store at Credit Karma. He has also utilized Vertex AI for model training and auto-refresh in recent projects, demonstrating his ability to implement advanced machine learning solutions. His contributions have had a notable impact on the organizations he has worked with, particularly in enhancing data processing and recommendation systems.