Dongwon Kim
Senior Software Engineer at Viva Republica (Toss)
South Korea
Summary
👤
Senior🎓
Top SchoolDongwon Kim is a Senior Software Engineer with 10 years of experience building large-scale data platforms and recommender systems across major Korean tech and finance companies. He has led technical teams at NAVER FINANCIAL and Dreamus, driving Hadoop-to-cloud migrations, data lake architectures, and real-time recommendation pipelines that support millions of users. His hands-on stack spans Python, Scala and Java plus Spark, Hive, Presto, Kafka, Faiss/Annoy and orchestration tools like Airflow and Nomad. Dongwon combines ML-driven personalization (LightGBM, FastText, CNNs for MIR) with robust data engineering practices such as CDC, Kerberos/Ranger security, and automated ingestion workflows. Now at Viva Republica (Toss), he focuses on scalable, production-grade systems that bridge data science and platform reliability. Outside work he channels analytical pattern recognition into music and gaming—building playlist recommenders by day and playing acoustic guitar and League of Legends by night.
10 years of coding experience
7 years of employment as a software developer
Master’s Degree, Computer Science, Master’s Degree, Computer Science at Yonsei University
Github Skills (58)
data-pipelines10
monitor10
python10
data-science10
data-engineering10
machine-learning10
workflow-engine10
apache10
fasttext10
scheduler10
etl10
automation10
dag10
mlops10
airflow10
Programming languages (2)
Github contributions (5)
dkim010/dkim010.github.io
Oct 2016 - Jan 2024
Contributions:24 pushes, 2 branches in 7 years 4 months
dkim010/settings
May 2016 - Apr 2020
Contributions:23 commits, 193 pushes, 1 branch in 3 years 11 months
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