Hui Xin Choong
Data Analyst Trainee
Singapore
Summary
Detail-oriented team player with strong organizational skills. Ability to handle multiple projects simultaneously with a high degree of accuracy. Ready to help team achieve company goals.
Overview
9
9
years of professional experience
5
5
years of post-secondary education
3
3
Certifications
2
2
Languages
Work History
DATA ANALYST
DBS BANK
06.2023 - Current
- Leveraged scripting languages such as Python and SQL to design and execute queries for extracting, transforming, and loading large datasets, each containing over 5 million records
- Collaborated closely with stakeholders to conceptualize, develop, manage and assess automated always-on campaigns aimed at increasing take-up rates of marketplace products.
- Contributed to setup and optimization of daily remarketing drop-off campaigns, leading to significant surge in click-through rates from 2% to 20%.
- Participated in requirements meetings to understand business needs.
SENIOR LABORATORY EXECUTIVE
NUS
08.2018 - 12.2022
- Operated and maintained major analytical equipment such as ICPMS, GCQQQ, GCQTOF, LCQQQ, LCQTOF independently
- Operated and maintained small lab equipment such as centrifuge, weighing balance, pipettes, centrivap, ultrapure water system, microwave digester, freeze dryer and autoclave independently
- Conducted equipment and safety training to researchers and students
- Trained researchers in sample preparation using microwave digestor and developing methods for elemental analysis of heavy metals in rice samples using Agilent ICPMS
- Trained researchers in optimising parameters for non-routine analysis of volatile organic carbon in environmental samples using Agilent GCQTOF
- Trained researchers in optimising parameters to develop method for metabolites analysis in different sample matrices such as biological fluids and vegetable samples using Agilent LCQQQ
- Carried out data analysis on results from Agilent ICPMS, GCQTOF and LC-QQQ using Masshunter Qualitative, Quantitative and Unknown Analysis software
- Established strong relationships with suppliers to ensure timely delivery of high-quality materials at competitive prices
- Improved lab safety by conducting regular inspections, enforcing compliance with guidelines, and training staff on best practices
LABORATORY TECHNICIAN
ASUREQUALITY
07.2015 - 05.2018
- Communicated effectively with colleagues and external vendors to ensure that all laboratory tests are completed within turn-around time of 5 days.
- Mentored interns in laboratory to carry out chemistry experiments with precision and accuracy.
- Prepared reagents and solutions required in accordance with Standard Operating Procedures (SOPs).
- Ensured satisfactory housekeeping inlaboratory in accordance with 5S principles.
- Independently carried out routine analysis of carnitine and choline test using UV-Vis Spectrometer.
- Independently carried out routine analysis of amino acid analysis using High-Pressure Liquid Chromatography (HPLC).
- Recorded data accurately on LIMS and carried out investigations on Out of Specifications (OOS) samples promptly.
Education
Bachelor of Science - Chemistry
National University of Singapore
Singapore 07.2011 - 06.2015
Specialist Diploma - Data Analytics and Data Engineering
Digipen
Singapore 01.2023 - 07.2023
Specialist Diploma - Data Science (Predictive Analytics)
Singapore Polytechnic
Singapore 04.2020 - 03.2021
Skills
Python (Numpy, Pandas,Matplotlib, Seaborn)
SQL (Joins, Window functions, CTE)
Big Data (Spark, Cloudera, Amazon S3)
Tableau/Power BI
HTML/CSS
Java
Analytical Thinking
Data Cleaning
Attention to Detail
Stakeholder Communication
Certification
Data Scientist Associate, Datacamp, 2024
Projects
Titanic Gradient Boost Classifier Chinese Character Recognition
Timeline
DATA ANALYST
DBS BANK
06.2023 - Current
Specialist Diploma - Data Analytics and Data Engineering
Digipen
01.2023 - 07.2023
Specialist Diploma - Data Science (Predictive Analytics)
Singapore Polytechnic
04.2020 - 03.2021
SENIOR LABORATORY EXECUTIVE
NUS
08.2018 - 12.2022
LABORATORY TECHNICIAN
ASUREQUALITY
07.2015 - 05.2018
Bachelor of Science - Chemistry
National University of Singapore
07.2011 - 06.2015