JianCheng (David) Chang
Data Analyst/Scientist
Apply myself to be a statistical expert/consultant, keep improving
programming, learning English and Japanese to enchance competitiveness.
During the office time, work efficient and innovative.
After work, enrich life by reading and exercising.
張健誠 Jian-Cheng Chang, David Chang
- Nationalilty
- Taiwan
- Birthday
- 1991/04/21
- david0912928@gmail.com
- Skill
- Statistic, Python, JMP, MSSQL, SAS, SPSS, PLSQL, Power BI, minitab
- Language
- Chinese, English
- Hobby
- Fitness, Swimming, Snowboarding, Read, Investment
Academic Background
2013-2015 | Master | Industrial Engineering and Management | National Chiao Tung University | 2009-2013 | Bachelor | Statistics | National Taipei University |
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Data Analyst
Sea Limited, Taipei City, Taiwan, March 2022 - present
- Support Malaysia Financial Collegues develop financial data cleaning automation with python and sql and link with Shopee's data platform.
- Support Singapore HQ Data Team to revise financial data cleaning code.
Data Analyst
Topco Global, Taipei City, Taiwan, July 2020 - March 2022
- Power BI: Importing, teaching and supporting (Reduce 90% work time)
- Semi-Conductor Chemistry Material SPC Chart
- Retail Information Overview (MoM, YoY, ....)
- Retail Basket Analysis
-
AI
- Semi-Conductor Material Consumption Forecast & Procurement Recommendation
- Retail Business Predict Member's Repurchasing Probability in Next 30 days and Sales Call Recommendation
- Solar Power Module Predictive Maintenance
-
Routine Job Automation (Reduce 90% work time)
- Semi-Conductor Material Order PDF file Text Capturing & link with Oracle ERP
- Solar Power Module Inverter Input Current Auto-comparison and Visualization
- Taiwan Insolation Duration Visualization
MIS Senior Engineer
Coretronic, Hsinchu, Taiwan, April 2019 - June 2020
- Experimental Data Analysis - Gauge RR and Association Rule
- Power BI Report: FAB's Yield, Efficiency and CPK Value
- Last Time buy Estimating
- Warranty Price Calculation by Reliability
IE Industrial Engineer
SPIL, Hsinchu, Taiwan, January 2018 - March 2020
- Product Price Report & Monthly Cost Calculation Automation
- System Design: Testing Time Comparison System
- Testing Time prediction Modeling: Establish a Testing Time Prediction Model for IC-Testing
Testing Process Engineer (WSPE)
SPIL, Hsinchu, Taiwan, October 2015 - December 2018
- Defend T. corp. Suspect the Parameter of the Prober Machine by DOE
- N. corp. Probes' Life DOE Test - Improve Probes' Life
- Participate and Support to Optimize WS Production Line Automation
- Parameter Control & Machine Log Analysis Automation - Get Internal Award