Jun Liu
Sr Software Development Engineer at Amazon
Los Angeles, California, United States
Summary
👤
Senior🎓
Top SchoolJun Liu is a senior software development engineer with nine years of experience building large-scale data and catalog platforms, currently shaping Prime Video’s product catalog at Amazon. He brings strong backend and data engineering expertise across Python, Java, Scala, Spark, Hadoop and MapReduce, combined with practical ML experience using TensorFlow, Keras and scikit-learn. Jun’s background at USC/ISI includes research-grade work on automated model discovery, entity linking, and a DataMart system for dataset augmentation—projects that powered production-ready AutoML and knowledge-augmented data pipelines. He has repeatedly delivered systems that bridge research and production, from scalable Spark pipelines to model-discovery engines that processed hundreds of GB and hundreds of real problems. Based in Los Angeles, he combines academic rigor (USC M.S. in Data Science) with multi-year production experience at Amazon, making him adept at turning complex data science ideas into reliable, queryable services. An understated strength is his track record of improving ensemble tuning and pipeline automation, boosting solution quality beyond individual models.
9 years of coding experience
4 years of employment as a software developer
Master's degree Electrical Engineering - Data Science, Master's degree Electrical Engineering - Data Science at University of Southern CaliforniaElectrical and Electronics Engineering, Electrical and Electronics Engineering at Xi'an Jiaotong-Liverpool University
Github Skills (35)
skos10
graph9
rdf9
wikidata8
knowledge-graph8
unet-image-segmentation8
datamart8
pattern-recognition8
linker7
data-cleaning7
etl-framework7
linear-regression6
resnet5
api5
exploratory-data-analysis5
Programming languages (4)
Github contributions (5)
usc-isi-i2/dsbox-primitives
May 2019 - Jul 2020
dsbox TA1 primitives for D3M project
Contributions:4 releases, 10 PRs, 122 pushes in 1 year 3 months
primitives
usc-isi-i2/dsbox-cleaning
Jun 2018 - Apr 2019
The data cleaning TA1 component of DSBox
Contributions:87 commits, 3 PRs, 67 pushes in 10 months
cleaningexploratory-data-analysisdata-cleaningpattern-recognition
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