Sam Xia Email & Phone Number

North Turramurra, Nsw, Au

Sydney, New South Wales, Australia

Responsibilities• Architect cost-optimised, high-performance solutions for mission-critical business tools, aimed at driving efficiency in store and DC operations across Woolworths Group.• Design and lead teams in implementing robust data and ML pipelines, integrating over 100 data sources and processing more than 10 billion rows using GCP technologies while incorporating DevOps-driven practices to enhance automation and efficiency.• Work closely with both technical and business… Show more Responsibilities• Architect cost-optimised, high-performance solutions for mission-critical business tools, aimed at driving efficiency in store and DC operations across Woolworths Group.• Design and lead teams in implementing robust data and ML pipelines, integrating over 100 data sources and processing more than 10 billion rows using GCP technologies while incorporating DevOps-driven practices to enhance automation and efficiency.• Work closely with both technical and business stakeholders to gather requirements and design effective solution architectures to deliver transformative solutions that enhance business outcomes.• Mentor and develop data and ML engineers at all levels, to enhance their skills and foster a collaborative and innovative environment.Major Achievements• Architected and led the development of Quick Assist, an innovative tool that integrates over 100 data sources to deliver data driven personalised, prioritised insights for managers at all levels, boosting store performance and operational efficiency.Initially launched at Woolworths Supermarkets, its success led to CEO endorsement for expansion across all Woolworths business units and generated global interest from overseas retailers such as Marks and Spencers.Major Relevant Technologies• GenAI, GCP, Python, SQL, Kubernetes, Docker, Airflow, Terraform, dbt, DevOps, Git, Snowflake Show less

Sydney, Australia

Responsibilities• Manage the full lifecycle of data projects from requirement gathering to production deployment• Engage with clients/stakeholders to gather requirements to develop analytical tools to drive insights.• Mentor junior engineers and provided technical leadership on best practices in data engineering and architecture.• Work with data scientists and analysts to provide well-structured datasets for machine learning models and analytical reports.Major… Show more Responsibilities• Manage the full lifecycle of data projects from requirement gathering to production deployment• Engage with clients/stakeholders to gather requirements to develop analytical tools to drive insights.• Mentor junior engineers and provided technical leadership on best practices in data engineering and architecture.• Work with data scientists and analysts to provide well-structured datasets for machine learning models and analytical reports.Major Achievements• Cloud architecture patterns developed are used business wide and are 10x faster and more robust than previous solutions, enabling faster time to action from insight and improving system reliability.• Developed analytical tools for Optus, enabling key customer retention and acquisition initiatives by integrating and analysing billions of records from multiple sources, leading to significant improvements in campaign success and customer engagement.Major Relevant Technologies• GCP, AWS, Snowflake, Python, SQL, Tableau, Alteryx, Teradata, Oracle, Salesforce, DevOps, Git Show less

Responsibilities:• Liaising with clients to develop business end-user focused dashboards in Tableau for decision making.• Develop data extraction, manipulation and automation processes to drive reports targeting analysts and executives.• Develop intuitive interactive Tableau reports for a wide range of audiences ranging from executives to analysts.Major Achievements:• Tableau dashboards developed for Fonterra are still currently used to drive pricing for milk and related… Show more Responsibilities:• Liaising with clients to develop business end-user focused dashboards in Tableau for decision making.• Develop data extraction, manipulation and automation processes to drive reports targeting analysts and executives.• Develop intuitive interactive Tableau reports for a wide range of audiences ranging from executives to analysts.Major Achievements:• Tableau dashboards developed for Fonterra are still currently used to drive pricing for milk and related products. Show less