To thrive as a Walmart Data Engineer, you need a solid foundation in data modeling, ETL development, and programming languages like Python or Java, typically supported by a degree in computer science, engineering, or a related field. Familiarity with big data platforms (e.g., Hadoop, Spark), cloud technologies (such as AWS or Google Cloud), and certifications in relevant tools or platforms are highly valued. Strong problem-solving skills, attention to detail, and effective communication are important soft skills for this role. These skills ensure you can efficiently design, maintain, and optimize Walmart’s large-scale data systems to support business decision-making and innovation.