Xin Yu Lim

Xin Yu Lim

Data Analyst and Engineer
Singapore
Chinese, English

نبذة عني

I am a Data Science and Analytics undergraduate at the National University of Singapore, with strong foundations in Python, SQL, machine learning, and data visualization, and hands-on experience across data engineering, …

الخبرة

Data Systems Engineer Intern

ST Engineering
Oct 2025 - Mar 2026 · 5 أشهر

Maintained and supported ETL pipelines for polytechnic dashboards using SMSS and Informatica to ensure timely and accurate data delivery.
Analyzed feasibility and requirements for migrating existing PET dashboard to the PFP dashboard, including data flow evaluation and system dependencies.
Conducted data quality management by identifying inconsistencies, validating fields, and reconciling data across multiple sources to ensure reliability for reporting and analysis.

Data Systems Engineer Intern

ST Engineering
Oct 2025 - Mar 2026 · 4 أشهر

Maintained and supported ETL pipelines for polytechnic dashboards using SMSS and Informatica to ensure timely and accurate data delivery. Analyzed feasibility and requirements for migrating existing PET dashboard to the PFP dashboard, including data flow evaluation and system dependencies. Conducted data quality management by identifying inconsistencies, validating fields, and reconciling data across multiple sources to ensure reliability for reporting and analysis.

Data Engineer and Analytics Intern

Infineon Asia Pacific Pte Ltd
May 2025 - Oct 2025 · 5 أشهر

Developed a metrics dashboard with data ingestion pipelines using Tableau Prep Builder and Python/SQL, enabling users to visualize key KPIs and apply custom DEA targets.
Maintained and optimized ETL processes to ensure reliable, timely, and high-quality data flow for analytics and reporting.
Built a confusion matrix in KNIME for internal quality evaluation and defect classification.
Performed kink-detection analytics using Excel pivot tables to differentiate high-quality products from defective ones and support quality assurance decisions.

Data Engineer and Analytics Intern

Infineon Asia Pacific Pte Ltd
May 2025 - Oct 2025 · 5 أشهر

Developed a metrics dashboard with data ingestion pipelines using Tableau Prep Builder and Python/SQL, enabling users to visualize key KPIs and apply custom DEA targets. Maintained and optimized ETL processes to ensure reliable, timely, and high-quality data flow for analytics and reporting. Built a confusion matrix in KNIME for internal quality evaluation and defect classification. Performed kink-detection analytics using Excel pivot tables to differentiate high-quality products from defective ones and support quality assurance decisions.

Data Science and Analytics Intern

Kuok Group
Jan 2025 - May 2025 · 4 أشهر

Designed data structures and dashboards on Power BI to support analytics, enabling data-driven decision-making for optimal workforce distribution.
Built predictive models to forecast manpower needs, improving resource planning and operational efficiency.
Designed and promoted interactive visualisations, enhancing user adoption and engagement with key insights.

Data Science and Analytics Intern

Kuok Group
Jan 2025 - May 2025 · 3 أشهر

Designed data structures and dashboards on Power BI to support analytics, enabling data-driven decision-making for optimal workforce distribution. Built predictive models to forecast manpower needs, improving resource planning and operational efficiency. Designed and promoted interactive visualisations, enhancing user adoption and engagement with key insights.

المهارات

Java Python SQL Data Visualisation Regression Analysis Statistics Machine Learning HTML CSS Sortino ratio maximization Utility-based optimization Backtesting Convolutional Neural Networks EfficientNet Image augmentation Feature extraction Precision-recall metrics Linear regression Power BI Predictive modeling Tableau Prep Builder KNIME Excel pivot tables ETL Data ingestion pipelines Data quality management Data structures Dashboard development Data analysis Data visualization Cause-and-effect analysis
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