Learn Data Skills
Beta
David Chang

David Chang

Certified

Data Analyst

Sea group

Technologies

My Portfolio Highlights

My New Course

Introduction to Python

My New Course

Introduction to Python

Data virtuoso, playing the chords of information to create harmonious insights.

My Certifications

These are the industry credentials that I’ve earned.

Data Engineer Associate

Data Engineer Associate

DataCamp Course Completion

Take a look at all the courses I’ve completed on DataCamp.

Courses

Introduction to Python
Introduction to SQL
Introduction to R
Intermediate SQL

My Work Experience

Where I've interned and worked during my career.

Sea | Mar 2022 - Present

Data Analyst

Data ETL - Python, PrestoSQL, Spark 1. Support Malaysia Financial Collegues develop financial data cleaning automation with python and sql and link with Shopee's data platform. 2. Support Singapore HQ Data Team to optimize financial data ETL spark sqlcode. Runtime: Reduce model run time from more than 4 hours to 40 minutes or less. Rerun time: The number of reruns dropped from the most to the top three. 3. According to requirement from FN collegues, to do the creation, update or deprecation ofdata table.
Show More

Topco-global | Jul 2020 - Mar 2022

Data Analyst

1. Import Power BI, Teaching and Supporting 2. Semi-conduction Business 2.1. Power BI Report (Material SPC Chart) (Reduce 90% work time) 2.2. Machine Learning - Material Consumption Forecast & Purchase Recommendation 2.3 Routine Automation - PDF Text Capturing (Reduce 90% work time) 2.4. Routine Automation - Customer's Information Auto Download, Arrange, Forward 2.5. Python Tkinter - PDF Transfer to Excel Tool (Reduce 90% work time) 3. Retail Business 3.1. Power BI Report - Retail Overview 3.2. Power BI Report - Basket Analysis 3.3. Machine Learning - Predict Member's Repurchasing Probability in Next 30 days and Sales Call Recommendation 4. Exercise Business 4.1. CPBL Win/Loss Analysis 5. Solar Energy Business 5.1. Inverter Input Current Auto-comparison and Visualization 5.2. Taiwan Insolation Duration Visualization 5.3. Solar Module Predictive Maintenance

Coretronic | Apr 2019 - Jun 2020

Data Analyst

Data analysis (R, SQL, ORACLE, VBA, PowerBI) 1. Sales Forecast - Arima model 2. Experimental data analysis - Gauge RR and Association Rule 3. FAB(Yield, Efficiency, CPK......) Power BI report 4. Power BI support 5. Last Time Buy estimating 6. Warranty Price Calculation by reliability

SPIL | Oct 2015 - Mar 2019

Process Engineer, Industrial Engineer

Programming: 1. Product Price Report 2. monthly cost calculation, reducing manual work 4hrs/time 3. Machine Parameter Control Automation - Shorten investigation and parameterquery time about 99% 4. Machine Log Analysis Programming - Reduced Calculating Time about 99% Projects: 1. Defend T company to question the parameters of the machine in our company 2. N company probe life test - Improve probe life 3. Participate in WS production line automation, system optimizationProcess

My Education

Take a look at my formal education

Master in Industrial Engineering and ManagementNational Chiao Tung University | 2015
Bachelor in StatisticNational Taipei University | 2013

About Me

David Chang

David hasn't filled in a bio text

Powered by

  • Certifications
  • Courses
  • Experience
  • Education
  • About Me
  • Create Your Data Portfolio for Free