Jongsang Han
Senior Software Engineering at Korea Credit Data (한국신용데이터)
Seoul, South Korea
Summary
👤
Senior🎓
Top SchoolJongsang Han is a senior software engineering leader with 8+ years building scalable, DDD-driven microservices and data platforms, currently shaping data infrastructure at Korea Credit Data in Seoul. He combines hands-on Java/Spring and cloud-native expertise (Kubernetes, Helm, Kafka, Vitess) with people-focused leadership, having led engineering teams and platform migrations from Node.js to Spring. His career spans ad-tech, DSP and CDP systems where he designed batch and real-time pipelines, RTB platforms, and audience-segmentation algorithms. Comfortable operating as both architect and implementer, he emphasizes developer productivity, CI/CD, and infrastructure-as-code to keep teams focused on product delivery. Unusually, he pairs an electrical engineering undergraduate with a high-GPA Convergence IT master’s, reflecting both systems thinking and academic rigor.
8 years of coding experience
13 years of employment as a software developer
Master's degree Convergence IT Engineering, Master's degree Convergence IT Engineering at Soongsil University
Github Skills (22)
simulator7
simulation7
hardware-designs7
ftrace7
modeling7
arm6
64-bit6
ara6
x866
risc-v6
asic5
architecture5
gem55
vector4
risc3
Programming languages (7)
Github contributions (5)
RATS-make-robot/2022-Freshman-MCUseminar
Jun 2022 - Oct 2022
Contributions:41 commits, 2 pushes in 3 months
js4ngu/js4ngu
Nov 2022 - Mar 2026
Contributions:1 PR, 24 pushes, 1 branch in 3 years 4 months
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