Jiyang Ha
Data Engineer

Download PDF version The online version is available at https://haji8-de.github.io/cv_eng

Residence
Seoul, South Korea
LinkedIn
haji8
GitHub
haji8-de
Email
gwd7454@gmail.com
Korean CV
CV_Kor

Technical Skills

python
+++
Javascript
++
Vue.js
++
flask
++
postgrsql
++
graphql
+
ElasticSearch
+++
Athena
+++
QuickSight
+++
Firehose
+++
SageMaker
+++
Hadoop
++
Kafka
++
Flume
++
Mysql
++
MongoDB
++

Professional Experience

Looko, Gangnam

Data Enginner

Sep 2021 - Present

AI team that researches and advances fashion AI models

  • Data labeling back office development for AI
  • Image type identification/ background removal model advancement
  • Fashion item attribute classification model training image increasing for improve model performance

    • python flask Vue.js mongodb mariadb postgrsql Javascript

    BALAAN, Seoul, Korea

    Data Developer

    may 2020 - Aug 2021

    The team that manages the BALAAN data

  • Reinforcement of sales management points by building OKR dashboard
  • Provide user convenience through search improvement by reflecting search ranking and search automatic completion season information
  • Building user search data and more into the new AWS data pipeline

    • JavaScript NodeJs mongodb mysql typescript python ElasticSearch AWS QuickSight AWS Data services

    NAVER Corp, Gyeonggi-do, Korea

    Data Engineer

    Jul 2016 - Aug 2018

    Data part of the video platform team that collects Naver company-wide video logs

  • Building a real-time statistics pipeline with ElasticSearch
  • Implementing video playback data as a statistic dashboard
  • Increase analysis points by expanding data metrics
  • Improving data consistency through total inspection of collected data
  • Strengthening the abusing filtering system according to the playback pattern

    • Python django hadoop kafka flume logstash hive ElasticSearch spark java

    WatchTek, Seoul, Korea

    Java Software Engineer

    Mar 2014 - Apr 2016

    The part responsible for the core part of the control system

  • Handle common process issues in watchall 10
  • Development of LINE NUMBER MAP to find out the connection information of a physical network through network information (patent)
  • Source quality management system, WIKI establishment
  • Development Team New Technology Part Leader

    • java mybatis spring flex sencha touch codova oracle mysql junit Jenkins Sonar Qube MediaWiki

    Education

    Release

    Certifications

    Additional Experience

    Award