Cheng Wai K.

Data Science | Business Analytics

Singapore, Singapore

About

I bring 6 years of experience in data science and analytics, communicating insights and streamlining business processes. I enjoy applying mathematics and programming to unravel complex problems and build data-driven applications.

Experience

  • Data Scientist, Consumer Lines at Chubb
    Feb 2025 - Present · 1 yr 5 mos

    • Run price experiments end-to-end, across design, implementation, monitoring and analysis • Train machine learning models to predict customer behaviour under different scenarios

  • Data Scientist at JTC Corporation
    Feb 2024 - Jan 2025 · 1 yr

    • Engage with cross-functional stakeholders to identify opportunities for analytics and AI solutions • Built a chat interface with React, Flask, and LLMs for querying data in natural language • Developed applications to compare contractor prices and identify changes in policy clauses

  • Senior Researcher (Data Science) at Ministry of National Development Singapore
    Jan 2023 - Jan 2024 · 1 yr 1 mo

    • Wrangled large administrative datasets using R for studies on housing and related social issues • Mapped and analysed geospatial data, reported trends, and identified spatial clusters • Managed digital transformation and data science projects with external consultants

  • Ministry of Education, Singapore (MOE) (Full-time · 5 yrs 6 mos)
    • Senior Manager, Data & Analytics
      Apr 2022 - Dec 2022 · 9 mos

    • Senior Head, Data & Analytics
      Jan 2020 - Mar 2022 · 2 yrs 3 mos

      • Analysed data using statistical techniques to support policy formulation, e.g. manpower planning • Trained discrete choice models with Python to predict the impact of policy proposals • Built and maintained a Tableau dashboard used by staff across the division • Created a data repository to streamline data extraction, receiving Division-Level Innovation Award • Conducted in-house training sessions to introduce Tableau and machine learning • Designed surveys to collect data on graduate employment outcomes

    • Mathematics Teacher
      Jul 2017 - Dec 2019 · 2 yrs 6 mos

  • Software Developer Intern at Epic
    Jun 2015 - Aug 2015 · 3 mos

    • Created a variant of binary decision diagrams to represent Boolean logic for clinical decision support • Designed an algorithm to generate the diagrams, and implemented the algorithm in C#