Data Scientist

• Dec 2022 - Present

Graduate Data Scientist

• Apr 2022 - Nov 2022

Internship

• Jul 2021 - Jan 2022

- Learned business rules and data presentation in Google Analytics - Wrote SQL codes to extract users’ interaction information with TVNZ OnDemand Application via Google Big Query, stored and piped the data into Azure platform - Implemented big data mining and feature engineering, handled data of 300GB, prepared clean data for model building - Built multiple machine learning models of clustering through PySpark notebook on Azure Databricks, evaluated the results and selected the optimised outcome - Quantified and visualised users’ patterns of each cluster - Key achievements: reported top 3 users’ patterns of business interest, helped the developers and data engineers further improve the application Show less

Teaching Assistant

• Mar 2021 - Nov 2021

Evaluate students' assignments and provide detailed feedback in a tight timeline, where the due date is overlapped with my own academic checkpoint. I develop strong time management skill and the ability to deal with multi-tasks. Evaluate students' assignments and provide detailed feedback in a tight timeline, where the due date is overlapped with my own academic checkpoint. I develop strong time management skill and the ability to deal with multi-tasks.

Vote Issuing Officer

• Oct 2020 - Oct 2020

Issued votes and provided customer service to voters by listening to voters’ inquiries and explaining the voting instructions of the party vote and referendum vote. Issued votes and provided customer service to voters by listening to voters’ inquiries and explaining the voting instructions of the party vote and referendum vote.

Project Coordinator

• May 2018 - Dec 2018

- Analysed monthly factory reports and technical information, abstracted spending pattern and trend to identify cost-savings opportunities. - Visualised analytic results through charts, and presented them to the dashboard, provided actionable data-backed cost-saving solutions.- Communicated with suppliers to articulate business insights and technical requirements, assisted engineers to validate new materials, setup 100+ SKUs.- Assisted the procurement manager in navigating between suppliers by building and maintaining a good relationship with strategic suppliers.- Key achievements: Saved $450,000 per year, shortened lead time of 2 categories by three weeks, lowered factory stock level by 12%. Show less

Project Leader

• May 2017 - Apr 2018

- Predicted procurement cost by analysing technical and commercial information, provided data-based recommendations to chief engineers for decision making.- Collaborated with global cross-functional stakeholders and suppliers to keep the projects on track by setting up achievable timelines and aligned checkpoints.- Solved supply problems under fast-changing circumstances such as raw material shortage, tooling modification, drawings update, compliance issue, etc. - Key achievements: Mitigated the stock shortage risk involving 4 product lines, delivered all five projects in time. Show less

Project coordinator

• Apr 2016 - Apr 2017

- Cooperated with three team members to send Requests for Quotations to suppliers, accomplished sourcing tasks in a tight schedule.- Analysed landed costs, and determined cost-efficient solutions by initiating an Excel macro, reduced the team's work time by 2 hours per day.- Coped with unexpected situations flexibly, such as particular purchase quantity, shipment and liability issues from obsolescent suppliers.- Key achievements: Moved New Zealand based supply chain to Asia basis, setup 300+ SKUs into the system (1000+ in total). Show less

Project Specialist

• Apr 2012 - Feb 2016

- Analysed quality deficient rate and investigated improvement methods, driven insights through predictive modelling, hypothesis test and causal analytics, reduced deficient rate from 1790 parts per million(ppm) to 820ppm- Led sample procurement for new product development, cooperated with the quality engineer in accomplishing the validation of 1000+ new material in 12 product lines- Managed Bill of Material List database, issued engineering change to cross-functional stakeholders and suppliers, supplied a robust version of samples to build prototypes- Improved the manufacturing process of Printed Circuit Board Assembly (PCBA), saved 1.5 hours per shift Show less

Hardware Engineer

• Jul 2008 - Mar 2012

- Conducted benchmarking analysis by predicting hardware cost of the product line from competitors, provided solid evidence to support marketing strategy making- Skilled in the operation of oscilloscope, meters and lab instrument to run various tests and troubleshot individual problems, accomplished the development of 100+ TV and Monitor product line- Drafted engineering change and submitted for approval - Archived drawings and bill of the material list into the system