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Alex Chen

AI Engineer, Big Data Engineer, Data Scientist

Hsinchu, TW

alexzalox@gmail.com


Skills

Statistics

90%

Python

90%

R

80%

Hadoop

70%

HTML/CSS

90%

JavaScript

70%

Bash

80%

Go Language

60%


Languages

Chinese

English

Taiwanese


Certificates

NASA International Space Apps Challenge Certificate

  • Issued by NASA International Space Apps Challenge
  • Issued on 2023/10/08

  • Academy Accreditation - Generative AI Fundamentals

  • Issued by Databricks
  • Issued on 2023/09/13

  • TQC: Professional Techficiency Quotient Certification of Python 3

  • Issued by Computer Skills Foundation
  • Issued on 2022/10/13
  • License ID : 212221100000250
  • 找不到圖片

    MTA: Introduction to ProgrammingUsing Python - Certified 2021

  • Issued by Microsoft
  • Issued on 2021/09/04

  • Education

    Tze-Chiang Foundation of Science & Technology in National Tsing Hua University -Tcfst in NTHU
    Feb 2021 - May 2021

    Leader of MLB Big Data Project "Second Coach: Your New Best Asset to Your Team" 棒球智慧教練-決策輔助系統


    National Cheng Kung University - NCKU
    2008 - 2012
  • Captain of Department of Statistics basketball team,
  • Student Association of Statistics Department,
  • Hsin-chu Area Alumni Association.

  • Projects

    "Second Coach: Your New Best Asset to Your Team". 棒球智慧教練-決策輔助系統

    What can our system do?

    1. Shift recommendations.
    2. Hitter swing prediction.
    3. Zone prediction:PitchFX zone number. Labeled as 1-9 for inside strikezone and 11-14 for outside strikezone. There is no 10. (from a pitcher's perspective).
    4. Pitch-type prediction.

    System Structure

    • Data Collection and Storage:Kaggle, VMware, Linux, K8s, Hadoop, Hive, HBase, Spark, Zookeeper, MySQL.
    • Data Washed :R, Python, Jupyter, Numpy, Pandas.
    • Machine Learning :Scikit-learn, Keras, Tensorflow, Feature engineering, Decision trees, Multivariate logistic regression, kNN,...etc.
    • Visualization :Matplotlib, Seaborn, AmCharts, Java, Tomcat, JavaScript, HTML, CSS.
    找不到圖片

    Real-time information on PM2.5 in Taiwan
    • Front-end:html、css、javascript、Bluma
    • Back-end:(pandas、flask)、jupyter
    • Automatically crawl every hour from the open government data platform, update the PM2.5 data of the whole Taiwan City, and use Bluma to design the webpage .

    AI human image tracking
    • jupyter notebook/openCV
    • Use the readNetFromCaffe model in the deep learning DNN module for human body image recognition and tracking.

    Fitness information website

    Mobile phone number Fortune Chinese-divination network

    Mobile phone number Numerology western-divination network

    Work Experience

    Data Engineer / Rock Mobile Corporation
    Feb 2023 - Present
    • Fetched or corrected stream data and royalty data from music streaming platforms such as Spotify, Apple Music, YouTube Music, Amazon Music, and KKbox to create reports based on customer requirements provided by the company's copyright and business departments.
    • Migrated 800,000 song data, 150,000 album data, and 3,000 customer and contract data from the old music library system database Oracle to the new system database MariaDB.
    • Collaborated with the copyright department to fill in missing data and improve the new database. Updated the new database field definitions and inter-table relationships.
    • Designed a new system data lakehouse architecture using Python, SQL, and AWS services such as Appflow, Redshift, Cloud 9, SageMaker, and Redis to establish real-time streaming and sales data analysis dashboards, AI sound production Mfit functionality, and AI music genre automatic classification functionality.
    • Worked with 2 front-end engineers and 3 back-end engineers to provide relevant analysis and statistical consulting for system troubleshooting analysis.
    • Imported more than 80 million records of contract licensing platform regional data, total 60G, to the new system using data segmentation and multi-threading methods. Reduced the estimated waiting time for data migration from 10 days to two and a half hours.

    Freelancer
    Nov 2021 - Feb 2023
    • AI Baseball Coach Project - Team Leader
      • Demonstrated Leadership in project management and task management with Scrum.
      • Demonstrated experience in data analysis to identify valuable information from 2.7 million records of data.
      • Demonstrated experience in big data storage on Apache Hadoop to save millions of data.
      • Achieved 86% precision on the prediction of baseball pitch for pitch types and locations.
      • Real-time data visualization for the baseball pitch prediction with Python, Java and MySQL.
    • Real-time data visualization on PM2.5 information in Taiwan - Developer
      • Demonstrated success on help people understand risk of PM2.5.
      • Data visualization for PM2.5 concentration within 0.5 second latency.
    • Licence Plate Recognition Project - Developer
      • Decreased 60% waiting time of customers in parking lots by providing high-throughput and high-accuracy licence plate recognition system

    Research Assistant / Ministry of Education, ROC (Taiwan)
    Apr 2020 - Nov 2020
    • The industry master class reviews enrollment and other related matters
    • Audit project of m.o.e. about aboard students back to Taiwan due to Covid-19.
    • Industry-University Cooperation Plan Special Class Review, Enrollment Regulations Approval, Fund Appropriation and Write-off
    • Subsidy operations for the technical excellence pilot program.
    • Aboriginal technical and vocational education related business.

    Research Assistant / National Taiwan Normal University
    Jul 2017 - Sep 2019
    • Web Site Link: DACC
      • Go to schools on business and collect data of Diagnostic Assessment of Chinese Competence (DACC) from elementary school to university.
      • Manage the back-end of DACC system.
    • Web Site Link: SmartReading
      • Proposition research and development project progress control, Text proofreading, Question database management.

    Quality Assurance Engineer / Gamesofa Inc.
    Nov 2016 - Jun 2017
    • Familiar with 【Web/Mobile】
      • Mahjong games: Shen Lai Ye Mahjong, 13 Mahjong, Two Player Mahjong
      • Poker games: Texas Hold'em, Big Old 2, 13, Solitaire, Fighting Landlord, Big D
      • Shooting games: instant gun battle, Tank Hit tank battle, deadly gun battle
    • Product activities and testing on various platforms, looking for bugs, vulnerabilities, errors, and confirming the problem recurrence process.
    • Write bugs and suggestion reports after testing, provide relevant departments for modification communication, and continuous testing and verification.
    • Collect relevant game data on the market.
    • Support for project needs of other departments.

    Project Manager, Librarian / Eslite
    Mar 2015 - May 2016
    • planning activities execution.
      • Self-curated book exhibition on Mid-Autumn Festival. 中秋個人自策展
      • Old School Life Proposal Book Fair. 老派生活提案展
      • Shakespeare 400th Anniversary Book Fair. 莎士比亞400周年紀念書展
      • Eslite Book Fair 2015 TOP100 Book Fair. 誠品2015年度TOP100書展
      • Eslite Xinyi Forum personal self-curated book exhibition:Welcome to House of Novels.
        誠品信義Forum個人自策書展:歡迎來到小說家
    • Responsible for the operation of commodities and library area.
    • Adjustment of the combination of goods on the shelves and control of the sales situation.
    • Commodity inventory management.
    • Share performance evaluation and jointly create higher business goals
    • Concerned about cultural trends, with sales creativity and goal attempts.