Brandon Liew Email & Phone Number

Petaling Jaya, My

Shah Alam, Selangor, Malaysia

Currently supporting Maxis on-Site.

Menara Maxis, Jalan Ampang, Kl

DE Experience:> Developed and maintained over 20 ETL pipelines using Apache Airflow. By leveraging skills in SQL, Python, and data modeling, ensuring efficient data extraction and transformation practices to both Cloud and On-Premise data.> Collaborated with 4 cross-functional teams within Network to define data requirements in implementing the most appropriate, scalable solutions, improving data availability whilst ensuring data integrity across systems. > Consultant for in-house development and data governance on MicroStrategy platform. Developer for dataset modeling and preparation using Google BigQuery and Oracle SQL.> Engineered Customer ARPU dashboard for network demand team to provide insightful deep-dive into customer purchase trends and network traffic forecast. Additionally, the automation increased productivity by 90% through time-saving for senior specialists in churning raw data. BA Experience:> Managed the delivery of 22 digital use cases under the Business Intelligence (BI) project digitalization track for the Network division, addressing key business drivers such as customer experience (CX), security and compliance, network performance, cost management, and strategic planning.> Analyzed current processes and transformed business unit problem statements into innovative, cost-saving use cases and insightful solutions.> Allocated both internal and external resources based on business risk and timelines to effectively deliver cross-departmental project ROI.> Explored and recommended data design architecture and modeling on available Network data landscape - integrating data sources like Netcracker, Google GCS, Oracle, VM environments connected through Apache Airflow into visualization tools such as Looker Studio and MicroStrategy.> Organized a 3-day annual training program for 15 internal talents through our vendor partner, enhancing their skills in dashboard visualization development and data storytelling.

Menara Maxis, Jalan Ampang, Kl

-Primary scope & discipline: Data Engineering & BI Dashboard development-Involvement in designing Apache Airflow ETL pipelines to schedule data migration from database to database-Digitalizing use cases (UCs) by utilizing Robotic Process Automation (RPA) unattended bots in UiPath to automate & massively improve process efficiency -Writing Python scripts to automate manual tasks such as excel reports merging, data crosscheck and validation-Preparing and deploying shell scripts in Linux environment to facilitate various tasks such as sftp, in-file data massaging & transformation-Readying data storytelling & reporting for users by building and designing dashboard visualizations using Microstrategy BI v2021-Showcased a completed RPA & BI use case in the monthly Network Digital Forum (220+ participants)

Reporting to Maxis team under Network Digital Engineering team.

Bachelor Of Computer Science (Hons) - Data Science, Ml, Ai, 3.20 Cgpa / Second Class Upper

Foundation In Arts And Technology (Fsat), Computing And Mathematics

Foundation Studies as Pre-U.

Sijil Pelajaran Malaysia (Spm), Science Stream