Principal, Data Engineer

Position Summary:The mission of Walmart Display Ads is to connect brand owners and shoppers with relevant display ads. We bring brand awareness and rich product information to shoppers and help brand owners grow their business with advanced targeting and optimization techniques. This is a fast-growing business never lacking opportunities! We are looking for an experienced tech lead to spearhead advertising data analytics related to demand, supply, and overall marketplace health. You will be responsible for extracting meaningful insights about campaign performance, marketplace efficiency, and gaps in systems and products, surfacing marketplace health metrics via dashboards, and working with cross-functional partners to move the needle in display advertising.What you'll do:Building data pipelines and dashboards to monitor display ads serving funnel and marketplace health.Leading analytics for display ads marketplace and presenting findings and recommendations to engineering teams and cross-functional partners.Collaborating with engineering and data science leads to improve data quality, building data warehouse, and delivering predictive models for marketplace insights and anomaly detection.Bringing data-driven culture to the engineering team to assure product and system quality.What you'll bring:Bachelor's degree in data science, computer science, statistics, operation research, or related fields.6 years' experience of building data pipelines, extracting signals from noisy data, and establishing metrics for monitoring.Proficiency in data analysis tools (e.g., Python, R, SQL) and data visualization tools (e.g., Tableau, Superset, Looker).Analytical thinking and detail-oriented mindset. Familiar with SQL and Non-SQL databases.Strong communication skills. Ability to convey complex ideas and findings to non-technical stakeholders.Knowledge of A/B testing.Preferred qualifications:Advanced degree in data science, computer science, statistics, operation research, or related fields.6+ years' experience in programmatic advertising, online content distribution, or e-commerce.Knowledge of optimization, auction, and ML applications.People management experience is a big plus.About Walmart Global Tech:Imagine working in an environment where one line of code can make life easier for hundreds of millions of people. That is what we do at Walmart Global Tech. We are a team of software engineers, data scientists, cybersecurity experts, and service professionals within the world’s leading retailer who make an epic impact and are at the forefront of the next retail disruption. People are why we innovate, and people power our innovations. We are people-led and tech-empowered. We train our team in the skillsets of the future and bring in experts like you to help us grow. Here, you can kickstart a distinguished career in tech, gain new skills and experience for virtually every industry, or leverage your expertise to innovate at scale, impact millions, and reimagine the future of retail.Flexible, hybrid work:We use a hybrid way of working that is primarily in the office coupled with virtual when not onsite. Our campuses serve as a hub to enhance collaboration, bring us together for purpose and deliver on business needs. This approach helps us make quicker decisions, remove location barriers across our global team and be more flexible in our personal lives.Benefits:Beyond our great compensation package, you can receive incentive awards for your performance. Other great perks include 401(k) match, stock purchase plan, paid maternity and parental leave, PTO, multiple health plans, and much more.Equal Opportunity Employer:Walmart, Inc. is an Equal Opportunity Employer – By Choice. We believe we are best equipped to help our associates, customers, and the communities we serve live better when we really know them. That means understanding, respecting, and valuing diversity – unique styles, experiences, identities, ideas, and opinions – while being inclusive of all people.Minimum Qualifications:Outlined below are the required minimum qualifications for this position. If none are listed, there are no minimum qualifications. Option 1: Bachelor’s degree in Computer Science and 5 years' experience in software engineering or related field. Option 2: 7 years’ experience in software engineering or related field. Option 3: Master's degree in Computer Science and 3 years' experience in software engineering or related field. 4 years' experience in data engineering, database engineering, business intelligence, or business analytics.Primary Location:840 W CALIFORNIA AVE, SUNNYVALE, CA 94086-4828, United States of America

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