Joongsoo Park
CPO (겸직) at UD IMPACT
South Korea
Summary
👤
Senior🎓
Top SchoolJoongsoo Park is a seasoned server engineer and product leader with 10 years of experience building high-throughput Java/Kotlin Spring systems, leading product teams, and running a tech startup. Currently serving as CPO at UD IMPACT while also CEO of F-Lab & Company, he has driven AX/DX transformations for 100-person organizations and led a turnaround from multi-year losses to sustained profitability. His engineering background includes designing microservices, performance-tuning APIs handling hundreds of millions of daily requests, DevOps tooling, and open-source contributions to jackson and redisson, as well as owning the easy-agent project. He pairs hands-on systems expertise—mirror testing, distributed locks, Redis caching, JVM tuning—with product and operational grit learned from founding and scaling a training business that placed graduates into top-tier companies. Notably candid about past leadership and financial mistakes, he leverages those lessons to strengthen team incentives and product ownership. Based in South Korea, he balances deep technical craftsmanship with practical, founder-level decision making.
10 years of coding experience
5 years of employment as a software developer
정보컴퓨터과, 정보컴퓨터과 at 경민정보산업공업고등학교소프트웨어공학 학사 졸업, Computer Software Engineering, 소프트웨어공학 학사 졸업, Computer Software Engineering at 성공회대학교
Github Skills (120)
spring-data10
api10
jackson10
data-access10
json10
java10
binding10
ddd10
spring10
redis10
java-api10
monitoring9
streaming-api9
queue9
creator9
Programming languages (4)
Github contributions (5)
joongsoo/tensorflow_dqn_supermario
May 2017 - Jul 2017
Contributions:584 commits, 575 pushes, 1 branch in 2 months
joongsoo/dqn_bitcoin_auto_trading
Oct 2018 - Oct 2018
Try rainforcement learning AI auto trading using tensorflow(RNN, FC + DQN).
Contributions:2 releases, 45 commits, 55 PRs in 17 days
rnnpythonauto-tradingreinforcement-learningmachine-learning
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