Samuel Raj

BI Data Analyst

WP. Kuala Lumpur, Federal Territory of Kuala Lumpur, Malaysia

About

Passionate to learn, adapt, grow and help others. There's only one corner of the universe you can be certain of improving, and that's your own self -Aldous Husley-

Experience

  • Data Analyst at LEM
    May 2025 - Present · 1 yr 2 mos

    Develop and maintain enterprise-grade Power BI dashboards supporting global business operations and decision-making. Design and manage governed semantic models to ensure scalable, certified, and reusable datasets across reporting layers. Perform end-to-end ETL processes, transforming raw data into analytics-ready structures using Azure Synapse and Databricks. Monitor and validate data pipelines, proactively checking job execution status (success/failure), identifying root causes, and ensuring data continuity. Conduct data quality checks and validation to ensure accuracy, completeness, and trustworthiness of reported metrics. Debug and optimize DAX queries and underlying data models to enhance dashboard performance and reliability. Implement Git-based version control (push/pull workflows) to manage development lifecycle and collaborative changes. Provide structured BI technical support through a ticket-driven workflow (Snow-style), ensuring timely issue resolution and SLA adherence. Facilitate meetings with business process owners and technical stakeholders to validate data outputs, clarify requirements, and ensure alignment between business logic and reporting logic. Act as a bridge between business and technical teams, ensuring data solutions are accurate, trusted, and aligned with operational goals. Contribute to data governance and reporting standards to improve consistency and usability across global analytics environments.

  • ESG Data Analyst at Ambu A/S
    Mar 2024 - Apr 2025 · 1 yr 2 mos

  • Senior Business Intelligence Analyst at Intematics Sdn Bhd
    Jun 2023 - Jan 2024 · 8 mos

  • Data Analyst at Philip Morris International
    Nov 2021 - May 2023 · 1 yr 7 mos

  • Management System Engineer at JMC JIREH Management Consultants (M) Sdn Bhd
    Feb 2020 - Dec 2021 · 1 yr 11 mos

    Providing Quality Management System and 2nd Party Auditing services