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Sungkun Yoon

Backend Developer

About Me

Personal Detail

Age
43
Email
sk4u.yoon@gmail.com
Phone
+82(0)10-****-7851
Address
Suji-gu, Yongin-si, Gyeonggi-do, Republic of Korea

Professional Skills

JAVA
Master
JavaScript
Expert
MSSQL, Oracle RDBMS
Advance
Spring Framework
Master
Oracle, Google Cloud
Advance
Docker, Jenkins(Infra Structure)
Beginner

Experience

Backend Developer
at T-win
March, 2025 - now
1. AI Service Server Development
  • AI Model Integration Server Architecture Design
  • RAG Integration and Search Functionality Implementation
Backend Developer
at WebPlaza
March, 2020 - August, 2022
1. Smart Factory System Management
  • ACS Server Development
  • ACS Maintenance and add feature
  • Installed the ACS Server
Backend Developer
at Solu-M
September, 2015 - March, 2019
1. Electronic Shelf Label Server
  • ESL Image Server Develop (Based on Java Spring Framework)
  • Central ESL Server Develop
  • To support ESL Server setup for Customer
Backend Developer
at Samsung Electro-Mechanics
April, 2012 - August, 2015
1. Electronic Shelf Label Server
  • Developed ESL 7-Segment Server (Based on C++, Socket)
  • ESL Image Server Develop (Based on Java Spring Framework)
  • To support ESL Server setup for Customer
Firmware Engineer
at From2
October, 2007 - March, 2012
1. Surveillance and Reconnaissance WSN (Military Project)
  • Developed Sensor Node Device Driver(RTC, RF, AMP)
  • OS Porting for MCU
  • Sensor Data Processing & Sampling
  • Developed Stabilization of Application Task in OS and implementation of Resource Management Algorithm
2. Situational awareness video transmission USN
  • Development of Linux Device Driver for the Gateway
  • Porting Linux Kernal and Making Filesystem Image for Gateway
  • Development and Porting of video encoder, decoder, 4-channel codec (MG1264) LDD
  • Setting up RTSP server for gateway

Education

Master of Science in Radio Communication Engineering
from Hanbat National University
2006 - 2008
Cumulative GPA 4.3 / 4.5
Thesis : Low Power Algorithm of ZigBee Router for Non Beacon Enabled PAN
Bachelor of College of Information and Communication Engineering
from Hanbat National University
2000 - 2006
Cumulative GPA 3.86 / 4.5
Military leave of absence from University. (Jan 2002 - Feb 2004)

Portfolio

ACS

Frontend / HTML / CSS / JavaScript

Smart Factory System Management

Built highly performant website front end for a Photography agency. Delivered codebase in HTML, CSS and modern JavaScript.

Spring Framework / Java / JavaScript / MSSQL

ESL Server

Developed a server based on Spring Framework and MSSQL to create images for Electronic Shelf Labels (ESL) by processing customer product information. Additionally, processed product data for compatibility with the ESL system and developed a Web UI Tool for image generation.

ESL System
Sensor Network System

Firmware / C / MFC

Surveillance and Reconnaissance WSN

  I developed a sensor node for monitoring intruders. I created firmware for sensor control and ported the Micro OS embedded in the MCU to the node. By developing an MFC program that tests sensor data, I conducted sensor node verification and developed exploration algorithms through digital signal processing.

License

Information Processing Engineer
Korea Information Processing Society
2005. 06. 13.
Computerized accounting qualification Advanced Level
Korean Association of Certified Public Tax Accountants
2023. 10. 26.

Contact

+8210_****-7851
sk4u.yoon@gmail.com

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