Data Engineer III

Position Summary...

What you'll do...

As a Data Engineer III, you will play a pivotal role, developing, and maintaining our data infrastructure. You will collaborate with cross-functional teams including Data Scientists, Data Analysts, and Business Intelligence experts to deliver high-quality, well-structured, and performant data solutions. Your expertise in SQL, data pipelines, ETL processes, and data visualization tools will be crucial to enabling data-driven decision-making throughout the organization.

About Team:


What you'll do:

• Consolidate and standardize all connections to external systems and programmatic exchanges. (WPA,DFP/GAM, ANX, TTD, LiveIntent, Adobe, Pinterest, LiveRamp etc)
• Provide a unified create/read/update/delete API for operations across all of the third-party systems
• Provide a normalized view of campaigns and metrics from these different sources for other systems to use.
• Generate insights and reports for advertiser campaigns in both real-time and batch mode
• Collect and aggregate ad delivery metrics (real-time impression, viewability etc.).
• Partner with DS to build and enhance sales lift methodologies, including synthetic control, ghost ads etc.
• Build and operate a data warehouse for analytics and business operations
• Expose all reports via reporting APIs and data tables
• Collaborate with engineering and infra teams to build a ML and experimentation platform
• Ownership of ML models for audience targeting. Build and improve relevance and ranking models for ad serving
• Ownership of lift measurement methodology, and support enhancement of attribution models and buyer analytics

What you'll bring:

• 4+ years of experience in software development, focusing on distributed systems 
• Big data development experience including Hadoop. 
• Experience in GCP/Azure cloud platforms
• Experience building streaming pipeline using spark streaming or kafka or similar. 
• Experience with workflow management tools such as Jenkins, Airflow, Oozie or similar.
• Experience working with SQL or RDBMS databases such SQL server, mySQL, DB2, etc.
• Experience working with No-SQL databases such as Cassandra, Bigquery, Cosmos DB etc.,
• Experience building enterprise DWH using Teradata or Hadoop/Hive or Bigquery or Azure Synapse 
• Experience running spark/hadoop workloads using Dataproc, Dataflow, Cloud composer, EMR, HD Insights or similar.
• Proven working expertise with Big Data Technologies Spark, PySpark, hive, and SQL.
• Demonstrates up-to-date expertise in Data Engineering, complex data pipeline development
• Architect, Design, develop, implement, and tune distributed data processing pipelines that process large volume of data; focusing on scalability, low -latency, and fault-tolerance in every system built.
• Exposure to Data Governance ( Data Quality, Metadata Management, Security, etc.) 
• Experience with Java, Scala and/or Python to write data pipelines and data processing layers
• Demonstrates expertise in writing complex, highly optimized queries across large data sets
• Knowledge and experience in Kafka, Storm, Druid and Presto
• Good Knowledge on object-oriented programming & build tools such as maven, sbt or similar.

• Some exposure to machine learning and data science 
• Experience in AdTech and advertising measurement 
• Experience with data visualization tools such as Looker, Tableau 

About Walmart General/Not Function Specific
Sam Walton opened the first Sam's Club in 1983 to meet a growing need among customers who wanted to buy merchandise in bulk. Since then, Sam's Club has grown rapidly, opening more than 600 clubs in the U.S. and 100 clubs internationally. By offering affordable, wholesale merchandise to members, Sam's Club helps make saving simple for families and small business owners. Sam's Club employs about 110,000 associates in the U.S. The average club is 134,000 square feet and offers bulk groceries and general merchandise. Most clubs also have specialty services, such as a pharmacy, an optical department, a photo center, or a tire and battery center.

​​​Future Ways of Working:
Our company's success can be attributed to our employees. While technology has allowed us to be effective while working remotely, there is no substitute for being in the office together; it helps to shape our culture, collaborate, innovate, build relationships, and move more quickly. We strive to provide flexibility in order to promote a healthy work-life balance but recognize that in-person interactions are important to our culture and shared success. We'll meet in person on a regular and purposeful basis.

Benefits:
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:
Sam’s Club 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, abilities, 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.

Preferred Qualifications...

Outlined below are the optional preferred qualifications for this position. If none are listed, there are no preferred qualifications.

Primary Location...