Justin (Wei-Kai) Chang

Computer Science and Information Engineering Graduate

An independent and self-motivated computer science graduate with proven and experienced in Big Data Systems, ETL, SQL and NoSQL, Data Mining, Statistics, AI planning and searching, Recommender system, Cryptography. Currently searching for an data analyst, data engineer or data scientist position.

  [email protected]  0955259829  linkedin.com/in/justin-wei-kai-chang
  New Taipei City, Taiwan

EDUCATION

MSc - Computer Science and Information Engineering
National Dong Hwa University (GPA: 4.3/4.5) 

2020 - 2022

Master's Thesis: "Predictive Analytics and Dynamic Correction of Sequential Behaviors on Streaming Big Data"

Relevant Coursework: Statistics, Big Data Systems, Artificial Intelligence

BSc - Computer Science and Information Engineering
National Dong Hwa University (#1 in senior year with GPA 4.44/4.5)

2016 - 2020

Main Course

  • AI (searching, ML, DL)
  • Statistics
  • Big Data Analytics
  • Data Mining
  • Database
  • Distributed Systems
  • Information Security/ Cryptography

TECHNICAL SKILLS


Math & Statistics



Machine learning, Statistical Modeling, Supervised Learning, Unsupervised Learning, AI searching, AI planning


Programming and Database



Python, R, SQL and NoSQL, MapReduce Concepts, Hadoop, Spark, Kafka


Communication and visualization



Engage with senior management, story telling, translating data-driven insights into decisions and actions, python data viz




RESEARCH PROJECTS

NDHU BEACON PROJECT (09/2020-09/2022)

Multi-Functional Self-driving Vehicles and Real-Time Streaming Data Analytics

  • Built basic ETL that ingested iots and self-driving streaming data using NodeRed, Kafka, Spark, Hbase/MongoDB and Python
  • Mined trajectory patterns generated by self-driving vehicles and built a similarity-based model to predict and detect anomaly behaviors.
  • Designed and implemented a dynamic correction system with 3 planning algorithms

EAST TAIWAN ORGANIC and PRECISION AGRICULTURE LEAGUE PROJECT (09/2018-06/2019)

Big Data Analytics in Precision Agriculture and Organic Farming

  • Leader of the team.
  • Preprocessed hyperspectral images and streaming data from drone and farming sensors 
  • Built a website for data visualization with Wordpress, html and PHP
  • Mined trajectory patterns and analyzed data from hyperspectral images and streaming data using MapReduce Concepts(writing Mapper and Reducer in Python)

HONORS & LEADERSHIP ACTIVITIES

  • National University and College Athletic Games -- 4x100m freestyle relay 5th place
  • Outstanding Academic Performance Award in Master
  • Presidential Award in Senior year
  • TaiwanICDF MongoDB Developer Training Course TA

Conference Publications & Presentation

  • Wei-Kai Chang and Shiow-yang Wu. Predictive Analytics and dynamic Correction of Sequential Behaviors on Streaming Big Data. 2022 Taiwan Academic Network Conference, Dec 15-17. 2022
  • Yu-Hen Chen and Shiow-yang Wu. Time Series Data Analysis and Behavior Recognition with Integrated Shape and Symbolic Aggregate Approximation. 2020 Taiwan Academic Network Conference, Oct 28-30. 2020 (oral presentation)

INTERESTS

• Swimming • Music(Percussion, Piano, Violin, Tuba) • Go (1 dan)

NATIONALITY

• Taiwan  • USA