J. J Lian
Senior Data Engineer @Rakuten Kobo Inc.
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WORK HISTORY
Senior Data Engineer @Rakuten Kobo Inc.
Designed and optimized a personalized book recommendation pipeline utilizing genre affinity algorithms, resulting in a roughly 50% increase in user engagement & interactions and reduced average job running time- Oversaw and maintained critical real-time and ad-hoc production data pipelines, including CRM cron jobs, user consumption tracking messages, and product temperature pipeline, ensuring accurate and timely data delivery- Streamlined collaboration with cross-functional teams, standardizing processes and creating comprehensive documentation, leading to a 40% reduction in project cycle time and improved knowledge sharing- Upgraded legacy code base and infrastructure which is written in Python and Go, while setting up and configuring development and testing environments on new servers. Migrated production pipelines, addressing potential security risks along the way.
EDUCATION
University of Pennsylvania
Master of Science - MS, Statistics, Measurement, Assessment and Research Technology
University of Waterloo
Master of Science - MS, Data Science and Artificial Intelligence (MDSAI)
UC Santa Barbara
Bachelor of Science, Actuarial Science
ABOUT J. J LIAN
I am a results-driven full stack data professional with expertise in designing…
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