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About

Engineer and co-founder at Volla. Mostly backend and infrastructure, with a research background in wireless networks and a long-running side habit of making noise.

Work

Volla Inc.

2018.10 to present

Co-founder, CTO

  • Volla: application, backend and DevOps engineering
  • AWS
  • Node.js
  • Serverless
  • React
  • iOS

Starship Vending-machine

2017.01 to 2018.05

Engineer

  • PUFF: backend and DevOps engineering
  • Prototypes and technical proofs of concept
  • AWS
  • Heroku
  • Ruby on Rails
  • iOS

BNSWorks

2015.03 to 2016.12

Engineer

  • Inpex Corp. Punchlist app, iOS
  • SK Telink apps, iOS
  • Syrup GW, operations
  • iOS
  • Android
  • Spring
  • CentOS

Research

Chung-Ang University, B.Eng. and M.Eng. through 2015.02.

  • Un-Ha Kim, Yoon-Jae Shin, and Jung-Ryun Lee, "Bio-Inspired Time Synchronization Method for Multi-Hop Ad-Hoc Networks", IEICE Transactions on Communications 97-B(8): 1647-1655

    2014.08

  • Un-Ha Kim, Eutteum Kong, Hyun-Ho Choi and Jung-Ryun Lee, "Analysis of Aggregation Delay for Multisource Sensor Data with On-Off Traffic Pattern in Wireless Body Area Networks", Sensors 16(10)

    2016.09

Elsewhere