John K
데이터 엔지니어 at LINE Plus Corp
Seoul, South Korea
Summary
👤
Senior🎓
Top SchoolJohn K is a seasoned 데이터 엔지니어 based in Seoul with 10 years of experience building and operating large-scale data pipelines and analytics platforms at LINE and LINE Plus. He has hands-on expertise with Spark, Hive, Presto, HBase, Elasticsearch, Kafka, Flink and real-time streaming architectures, and has built notebook and BI/reporting services using Springboot and Zeppelin. Comfortable across Java, Scala and Python, he also runs containerized data infrastructure on Kubernetes and automates observability with Prometheus/Grafana and CI/CD tooling. His background in security research early in his career informs a pragmatic focus on reliable, auditable data systems and abuse-resistant pipelines. Known for turning complex ETL and real-time requirements into production-grade services, he blends systems-level thinking with developer-centric tooling experience.
10 years of coding experience
8 years of employment as a software developer
Bachelor of Science, computer information & communication, 3.51 / 4.5, Bachelor of Science, computer information & communication, 3.51 / 4.5 at 홍익대학교
Korean, Japanese, English
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (16)
rust8
code-generation8
code-generator8
compile-time7
server7
static-server7
ui-design6
rust-api5
rune5
rust-lang3
chrome-devtools-protocol2
luau2
lua2
scripting-language1
rust-embedded1
Programming languages (2)
Github contributions (5)
markijohn/druid-xml
Nov 2022 - Feb 2023
Contributions:84 commits, 92 pushes, 2 branches in 2 months
markijohn/bevy_timeline
Jun 2025 - Sep 2025
Contributions:49 pushes, 4 branches in 3 months
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.