Ungi Kim

Experienced in big data processing, web backend development, and startup developer.
I am interested in machine learning, open-source projects


Balance Hero
Data Engineer since March 2017
  • Collecting all the data
  • Developed a high leven Kinesis Consumer “kinsumer”
  • Developed a spark application “dataflow” that easily used and checked by analysis and developers
  • Created data lake from various data sources
  • Designing and developing large-scale data processing
  • Pipeline architecture for ETL and analysis on Zeppelin
  • Data extraction, investigation and testing
  • Tech: Python, Spark, Java, Spring, MySQL, Redshift, Redis, InfluxDB, Grafana, Tableau, Sqoop, Airflow, Docker, AWS, Git, Jenkins
Balance Hero
Software Engineer May 2016 - February 2017
  • Developed event based promotion service
  • Developed user service
  • Event process using sync and async
  • Developed with AWS to reduce infra management
  • 3rd party API integration
  • Tech: Java, Spring, Python, MySQL, Redis, HTML/CSS/Javascript, AWS, Git, Jenkins
Netmarble Games
Intern December 2015 - February 2016
  • Internship as part of the Netmarble recruitment 2015
  • Developed multiplayer mahjong game
  • Tech: C#, Unity 3D, MySQL, TCP
Saerom C&C
Software Engineer April 2010 - February 2013
  • Maintained overseas e-commerce service
  • Worked as a substitute of mandatory military service
  • Tech: Java, Spring, PHP, Oracle, HTML/CSS/Javascript


Programming Languages
Python, Java, PHP, SQL
Back-end Technologies
Spark, Spring Framework, AWS
Databases or Cache Storages
MySQL, InfluxDB, Redshift, Redis
Linux, Git, Jira, Confluence, Agile
Human Languages
Korean(native), Japanese(limited), English(limited)


The Catholic University of Korea
Bachelor’s degree March 2009 - February 2016

Computer Engineering