Hui Sai Wing Jack
Data Analysis & Data Science
Hong Kong
Summary
Being detail-oriented, self-motivated and able to accomplish multiple tasks under tight deadlines. Interested at Data Analysis and Data Science; experienced at data acquiring and cleaning, data mining and utilizing proper statistical models, as well as doing the visualizations to deal with the real-world problems by using Python and R. Experienced and skilled in Machine Learning and Deep Learning.
Overview
5
5
years of professional experience
5
5
years of post-secondary education
4
4
Certifications
Work History
Statistical Assistant
Census and Statistics Department
9 2022 - 4 2024
- Assisted Research Manager to develop and maintain Natural Language Processing models by deploying Tensorflow and Keras in order to classify the commodity codes and predict unit values with different goods;
- Performed data manipulation, transformation and analysis by using Python, R & SAS to process the data of a few hundred millions records;
- Compiled data extraction to reply the ad-hoc data enquiries from the news and various government departments like Legislative Council, OGE & FHB and so on;
- Prepared routine reports like Monthly Digest and Annual Digest as well as conduct data visualizations;
- Generated the daily report of Effective Exchange Rate Index by using Excel VBA and sent it to the HKMA;
- Monitored and examined the abnormal data of some specified goods by using the designed rules and the statistical methods
SOFTWARE QUALITY ACCURANCE ENINGEER
BBPOS Limited
02.2021 - 09.2022
- Applied SQL and excel to analysis the testing data;
- Managed various projects to work out the test plan and testing reports with the various devices, firmwares and platforms;
- Co-ordinated and worked with development team to determine and resolve different issues
QA TESTER
Cityline (Hong Kong) Limited
11.2019 - 10.2020
- Designed and executed test plans and test cases based on user / product requirements;
- Co-ordinated and work with business and teams to determine and deal with the issues based on the requirements
ENGINEER
UL International Limited
11.2017 - 04.2019
- Used Excel to analyse and review the test results;
- Managed execution and timely completion of engineering projects
Education
M.Sc. in Data Science and Business Statistics -
09.2020 - 05.2022
Bachelor of Physics - undefined
09.2013 - 05.2017
Skills
Python
R
SAS
C
Matlab
Mathematica
Cantonese (Fluent)
English (Fluent)
Mandarin (Fluent)
MYSQL
Skilled in MS Office likes Word, Excel, PowerPoint, Outlook, Access
Scikit-Learn (Classification Tree, KNN Classification, Naïve Bayes Classification, Multinomial Logit, ANN and Support Vector Machine, K-mean Clustering)
Tensorflow, PyTorch (Image Identification & Natural Language Processing)
PowerBI
Certification
SAS Enterprise Guide 2 - Advanced Tasks and Querying (SAS Institute), 12/2022
Timeline
SOFTWARE QUALITY ACCURANCE ENINGEER - BBPOS Limited
02.2021 - 09.2022
THE CHINESE UNIVERSITY OF HONG KONG - M.Sc. in Data Science and Business Statistics,
09.2020 - 05.2022
QA TESTER - Cityline (Hong Kong) Limited
11.2019 - 10.2020
ENGINEER - UL International Limited
11.2017 - 04.2019
THE CHINESE UNIVERSITY OF HONG KONG - Bachelor of Physics,
09.2013 - 05.2017
Statistical Assistant - Census and Statistics Department
9 2022 - 4 2024