(Ind) Staff, Data Engineer

About the role

GDF (Global Data Foundation) is part of Walmart's AI & Data organization - the team building the foundational data platforms that power AI, analytics, and decision-making across every Walmart banner and geography, from supply chain and merchandising to customer experience and enterprise AI agents.

What you'll do

• Data Transformation & Integration: Design and automate ETL/ELT pipelines across diverse sources, deploy them via orchestration frameworks
• Semantic Modeling & Enterprise Data Architecture
• Lead the design of scalable conceptual, logical, and physical data models for operational, analytical, and AI/ML use cases
• Define and implement dimensional models — conformed dimensions, fact tables, SCD Type 1 and Type 2 patterns, snapshots, event models, and data-product contracts
• Design and maintain a governed semantic layer that standardizes business metrics, calculations, hierarchies, joins, definitions, and security policies across BI

What you need

• 6–11 years in data science & ai
• Machine learning
• SQL
• Data modelling
• Python
• ETL
• LLMs
• Any graduate

Good to have

• Power BI
• Looker
• Tableau
• Java
• React
• Spark