Walmart
Staff, Software Engineer
Walmart, California, Missouri, United States, 65018
Position Summary:As a Staff Software Engineer, you will lead and participate in medium- to large-scale projects by reviewing project requirements; translating requirements into technical solutions; gathering requested information (for example, design documents, product requirements, wire frames); writing and developing code; conducting unit testing; communicating status and issues to team members and stakeholders; collaborating with project team and cross-functional teams; troubleshooting open issues and bug-fixes; ensuring on-time delivery and hand-offs; interacting with project manager to provide input on project plan; and providing leadership to the project team.About Team:
The AdTech M&R data team is responsible for delivering reporting and measurement for Advertisers to analyze and optimize campaigns. We are a team of data developers whose strengths are: (1) building scalable data pipelines (2) exposure to machine learning techniques and data science (3) making sense of broadly defined problems through data analysis.What you'll do:Build data systems that ingest, model, and analyze massive flows of data from online and offline user activities, processing hundreds of millions of sales and impressions data to obtain insights and analytics related to advertising campaign performance.Develop big data applications for precise audience targeting and cutting-edge measurement for campaign reporting, leveraging the wealth of data within the Walmart ecosystem.Set up ETL jobs in Jenkins to move large volumes of distributed data from various sources to secondary datacenters for business continuity and disaster recovery.Participate in small to large-sized projects by reviewing project requirements into technical solutions; gathering requested information; writing and developing code; conducting unit testing; communicating status and issues to team members and stakeholders; collaborating with project team and cross-functional teams; troubleshooting open issues and bug-fixes; and ensuring on-time delivery and hand-offs.Troubleshoot business and production issues by gathering information, engaging support teams to assist in resolution of issues, formulating an action plan, performing actions as designated in the plan, interpreting the results to determine further action, and completing 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.Use advanced big data scheduling techniques (Jenkins, Airflow) for reliable and recurrent data processing.Perform data investigations using SQL and Pig or Hive.Assist with the designs and development of systems and methods in order to ensure the quality for large data pipelines and guide the product through all stages of the user acceptance process.What you'll bring:Experience programming in an object-oriented language (Java or Scala).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 Pig, 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 processing and transformation implementations using unit, integration, and end-to-end pipeline testing.Experience designing and developing software to perform ETL operations on large datasets. Employer will accept any amount of professional experience with the required skills.Minimum Qualifications:Option 1: Bachelor's degree in computer science, computer engineering, computer information systems, software engineering, or related area and 4 years’ experience in software engineering or related area.Option 2: 6 years’ experience in software engineering or related area.Preferred Qualifications:Master’s degree in Computer Science, Computer Engineering, Computer Information Systems, Software Engineering, or related area and 2 years' experience in software engineering or related area. We value candidates with a background in creating inclusive digital experiences, demonstrating knowledge in implementing Web Content Accessibility Guidelines (WCAG) 2.2 AA standards, assistive technologies, and integrating digital accessibility seamlessly. The ideal candidate would have knowledge of accessibility best practices and join us as we continue to create accessible products and services following Walmart’s accessibility standards and guidelines for supporting an inclusive culture.Primary Location:
640 W California Avenue, Sunnyvale, CA 94086-4828, United States of America.
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The AdTech M&R data team is responsible for delivering reporting and measurement for Advertisers to analyze and optimize campaigns. We are a team of data developers whose strengths are: (1) building scalable data pipelines (2) exposure to machine learning techniques and data science (3) making sense of broadly defined problems through data analysis.What you'll do:Build data systems that ingest, model, and analyze massive flows of data from online and offline user activities, processing hundreds of millions of sales and impressions data to obtain insights and analytics related to advertising campaign performance.Develop big data applications for precise audience targeting and cutting-edge measurement for campaign reporting, leveraging the wealth of data within the Walmart ecosystem.Set up ETL jobs in Jenkins to move large volumes of distributed data from various sources to secondary datacenters for business continuity and disaster recovery.Participate in small to large-sized projects by reviewing project requirements into technical solutions; gathering requested information; writing and developing code; conducting unit testing; communicating status and issues to team members and stakeholders; collaborating with project team and cross-functional teams; troubleshooting open issues and bug-fixes; and ensuring on-time delivery and hand-offs.Troubleshoot business and production issues by gathering information, engaging support teams to assist in resolution of issues, formulating an action plan, performing actions as designated in the plan, interpreting the results to determine further action, and completing 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.Use advanced big data scheduling techniques (Jenkins, Airflow) for reliable and recurrent data processing.Perform data investigations using SQL and Pig or Hive.Assist with the designs and development of systems and methods in order to ensure the quality for large data pipelines and guide the product through all stages of the user acceptance process.What you'll bring:Experience programming in an object-oriented language (Java or Scala).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 Pig, 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 processing and transformation implementations using unit, integration, and end-to-end pipeline testing.Experience designing and developing software to perform ETL operations on large datasets. Employer will accept any amount of professional experience with the required skills.Minimum Qualifications:Option 1: Bachelor's degree in computer science, computer engineering, computer information systems, software engineering, or related area and 4 years’ experience in software engineering or related area.Option 2: 6 years’ experience in software engineering or related area.Preferred Qualifications:Master’s degree in Computer Science, Computer Engineering, Computer Information Systems, Software Engineering, or related area and 2 years' experience in software engineering or related area. We value candidates with a background in creating inclusive digital experiences, demonstrating knowledge in implementing Web Content Accessibility Guidelines (WCAG) 2.2 AA standards, assistive technologies, and integrating digital accessibility seamlessly. The ideal candidate would have knowledge of accessibility best practices and join us as we continue to create accessible products and services following Walmart’s accessibility standards and guidelines for supporting an inclusive culture.Primary Location:
640 W California Avenue, Sunnyvale, CA 94086-4828, United States of America.
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