Senior, Software Engineer - Frontend

Position Summary...

What you'll do...

About the team: 
Walmart's Advertising Technology group enables the connection between supplier brands and retail shoppers at an unprecedented scale. We are a highly motivated group of engineers and data scientists, working in an agile group to solve sophisticated and high impact problems. We serve billions of ad requests every month with our high-performance ad servers. There are millions of customers shop on Walmart websites and in stores daily, and advertising helps advertisers bring the best products to our customers. If you want to influence millions of customers on their shopping journeys, we have a role for you. 
 

What you will do: 

• Build an Advertising platform that powers Ad delivery to the variety of digital screens present in Walmart stores worldwide.  

• Design and develop key features of the platform using a microservices architecture. 

• Implement REST APIs using Spring Boot and Java. 

• Troubleshoot business and production issues by gathering information (issue, impact, criticality, root cause), engage support teams to assist in resolution of issues, formulate an action plan, performing actions as designated in plan, interpret the results to determine further action, and complete online documentation. 

• Develop complex software features to streamline and scale batch jobs to support advertising propensity models. 

• Design, develop, and maintain software for the targeting and reporting data pipelines in Spark, Hadoop and Map-Reduce. 

• Develop software using object-oriented languages such as Scala and Java. Implement advertising measurement systems that leverage machine learning and statistical techniques. 

What you will bring: 

• Experience programming in an object-oriented language (Java or Scala). 

• Experience developing large scale systems using a microservice architecture.  

• Experience in frameworks such as Spring Boot, Play.  

• Experience in containerization and orchestration technologies like Docker, Kubernetes etc. 

• Experience using Hadoop and Map Reduce in batch jobs to process large scale data. 

• Experience in creating and maintaining data processing workflows with tools including Airflow or Oozie. 

• Experience using Spark, Hive, or SQL to perform advanced data investigation. 

• Experience working in AdTech with demonstrated knowledge of the AdTech business. 

• Experience developing techniques to ascertain correctness of data pro