Lev Song
Senior Backend Engineer at Coupang
South Korea
Summary
👤
Senior🎓
Top SchoolLev Song is a Senior Backend Engineer with 9 years of experience building high-throughput, production-grade services, currently developing feed APIs for Coupang Play. He brings a strong ML background from three-plus years as a Machine Learning Engineer at NAVER and KAIST, where he built scalable prediction APIs, MLOps tooling, and recommendation systems that processed millions of items daily. Comfortable across the stack, he has hands-on experience migrating ML workloads to Kubernetes, automating CI for models, and turning research prototypes into resilient backend pipelines. His academic work on context-aware session recommendations and implementations of RNN-based models reflect a rare blend of applied research and production engineering. Based in South Korea, he combines data-driven model thinking with pragmatic infrastructure skills to ship reliable, high-traffic services.
9 years of coding experience
4 years of employment as a software developer
Bachelor’s Degree Economics Statistics, Bachelor’s Degree Economics Statistics at Sungkyunkwan UniversityMaster's degree Data Mining, Master's degree Data Mining at Korea Advanced Institute of Science and Technology
Korean, English
Github Skills (11)
datasets5
integrate5
machine-learning4
nlp4
huggingface3
api-rest3
scalability2
missing-data1
pytorch1
time-series1
deep-learning1
Programming languages (1)
Github contributions (5)
euiyulsong/Medicare-Analysis
May 2018 - Jun 2018
Contributions:7 commits, 5 pushes, 2 comments in 1 month
euiyulsong/Reinforcement-Learning-NetHack
Jun 2022 - Jan 2024
Contributions:2 pushes, 1 branch in 1 year 7 months
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