Profile of Chai Jin Xin

Chai Jin Xin Data Analyst
1 year experience 0 projects worked Malaysia
RM50.00 /hr RM0 earned
Business AnalystData AnalystEducationFinancial AnalysisFinancial PlanningSalesSQLTrainingTutoringWriting

Highly motivated and detail-oriented job seeker with a strong work ethic and a passion for excellence. Possesses a solid foundation of skills and knowledge in Data Science.

Portfolio

Work History (0)

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Work Experiences

  • Data Analyst

    PMCare Sdn. Bhd.

    November 2025 - April 2026

    Cleaned, validated, and analyzed healthcare claims and member data to support accurate reporting and analytics.

    Assisted in building and maintaining a layered data pipeline using AWS S3, Apache Airflow, and StarRocks.

    Performed exploratory data analysis and feature engineering for early risk identification (prediabetes and mild diabetes).

    Collaborated with data engineers, medical reviewers, and external vendors to support reporting and insights delivery.

  • Data Analyst

    Great Eastern Life Assurance Malaysia

    March 2025 - August 2025

    Automated data cleaning and validation, improving medicines matching accuracy and reducing manual work.

    Assist in enhancing anomaly detection model to 90%+ accuracy, streamlining medical claim audits.

    Created Tableau dashboards to analyze 55,000+ medical records, supporting cost and efficiency insights.

    Contributed to “Great Journey” healthcare product by developing patient journey maps and digital tools.

Education

  • Bachelor of Computer Science (Data Science)

    Universiti Malaya

    September 2022 - April 2025