Geonyeong Kim
데이터 엔지니어 at Toss Bank(토스뱅크)
Seoul, South Korea
Summary
👤
Senior🎓
Top SchoolGeonyeong Kim is an experienced data engineer with eight years building high-throughput ingestion and delivery pipelines for large-scale e-commerce platforms, currently working at Toss Bank after a multi-year tenure at NAVER Shopping. He specializes in Java/Kotlin and Spring Boot, streaming with Kafka, and Hadoop ecosystem tools (Hive, Impala, Spark) while operating across diverse storage backends including Oracle, Citus/Postgres, HBase, and Kudu. Comfortable in DevOps workflows, he automates deployment and orchestration using Jenkins, Airflow, and Kubernetes Helm charts to reliably move product, thumbnail, and review data from partners to front-end services. Notably, he has led cross-cluster Hadoop client integrations and major platform migrations, demonstrating both hands-on engineering and system-level modernization. Based in Seoul, he documents technical work on GitHub and a development blog, signaling a practical commitment to knowledge sharing and continual improvement.
8 years of coding experience
5 years of employment as a software developer
학사, Computer Science, 학사, Computer Science at 서경대학교
Github Skills (42)
relational9
java9
persistence9
gradle9
database9
jpa9
orm-library8
spring8
orm8
hibernate8
spring-boot8
sql8
jdbc8
jakartaee7
stream-processing7
Programming languages (2)
Github contributions (5)
geonyeongkim/algorithm
Nov 2020 - Mar 2022
Contributions:427 pushes, 1 branch, 1 comment in 1 year 3 months
geonyeongkim/algorithm2
Oct 2019 - Sep 2020
Contributions:116 pushes, 1 branch in 11 months
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