Bob Jia
Engineering Manager at Catalina Marketing Japan K.K.
Tokyo, Japan
Summary
👤
Senior🎓
Top SchoolBob Jia is an engineering manager based in Tokyo with 11 years of experience building scalable big data and ML systems across finance and e‑commerce. He has led performance-driven re-architectures—most notably cutting a daily demand-forecast pipeline runtime by 91%—and built generic big-data platforms to accelerate prototyping. Comfortable across Python, Scala, Spark and AWS, he combines hands-on implementation with team leadership from his current managerial role at Catalina Marketing Japan. His background spans Goldman Sachs, Morgan Stanley and Coupang, where he shipped production anomaly detection and visualization tools as well as supply-chain forecasting models. A computationally rigorous thinker, he also passed the CFA Level I exam, signaling a blend of technical depth and domain finance literacy.
11 years of coding experience
11 years of employment as a software developer
Master's degree, Computer Software Engineering, Master's degree, Computer Software Engineering at Shanghai Jiao Tong University
English, Chinese
Github Skills (4)
scala2
big-data2
spark2
matplotlib1
Programming languages (2)
Github contributions (5)
skinheadbob/trinity
Sep 2018 - Nov 2018
A big data platform skeleton that aims to bridge the gaps among engineer, data scientist and business analyst
Contributions:4 commits, 40 pushes, 1 branch in 1 month
big-data
skinheadbob/resume
Oct 2018 - Jun 2019
Contributions:3 pushes, 1 branch in 8 months
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