Hyungjun Lim
Quantitative Developer
New York, New York, United States
Summary
👤
Senior🎓
Top SchoolHyungjun Lim is a physicist-turned-quantitative developer with 11 years of software and quant experience across Two Sigma, Google, and Amazon, now working in NYC on systematic macro strategies. He holds a PhD in theoretical and mathematical physics and a BS in physics and mathematics from KAIST, bringing rigorous modeling instincts to production ML and trading systems. At Two Sigma he focused on model productionization, research-to-live improvements, and macro platform engineering, complementing earlier work building real-time, large-scale streaming pipelines and anomaly detection at Google. Comfortable across Python, Java, C++, and Go, he blends low-latency systems engineering with data-science-driven model work. An early blockchain hobbyist and recent AI paper enthusiast, he pairs deep academic research pedigree with practical experience shipping robust, scalable financial software.
11 years of coding experience
17 years of employment as a software developer
Doctor of Philosophy (Ph.D.) Theoretical and Mathematical Physics, Doctor of Philosophy (Ph.D.) Theoretical and Mathematical Physics at University of Wisconsin-MadisonBachelor of Science (BS) Physics & Mathematics, Bachelor of Science (BS) Physics & Mathematics at Korea Advanced Institute of Science and Technology
English, Korean
Stackoverflow
1reputation
32reached
0answers
1question
Github Skills (32)
deep-learning10
tensorflow10
effort9
huggingface8
quake8
xgboost7
pytorch7
artificial-intelligence7
kubeflow7
machine-learning7
gpu7
game-development7
python7
computer-vision6
agent6
Programming languages (6)
Github contributions (5)
sculd/jitter_recovery
Dec 2023 - Dec 2024
Contributions:199 pushes, 3 branches in 1 year
sculd/leetcode_solutions
May 2015 - Feb 2025
Contributions:27 pushes, 1 branch in 9 years 10 months
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