Position Summary...

What you'll do...

The AdTech Digital Store Experience team is responsible to deliver in-store marketing and advertising experiences. We are a team of software engineers whose strengths include (1) collaborating with cross-functional partners to design and build complex, scale-ready solutions, (2) testing for reliability and resiliency, and (3) ensuring quality through operational excellence. We are hiring a Principal, Software Engineer who will lead and guide the team in building a highly leveraged and scalable system that will support a large number of in-store devices used for advertising.

About Team:

Walmart Global Tech

From entry-level to executive positions, Walmart provides limitless opportunities for growth, and career development. Walmart started small, with a single discount store and the simple philosophy of selling more for less. Today, we are a growing technology-enabled company founded on the same values as our first store. We establish clear expectations, empower associates to manage their work, and hold ourselves and one another to a high standard. Walmart's scale enables us to have an. No other company has the reach of Walmart, with 2.3 million associates worldwide and over 230 million weekly customers. Walmart is reshaping retail by investing in an expanding workforce. While technology is at the heart of our digital transformation, people are the reason we succeed and the force behind our innovations. We train our team in the skillsets of the future and bring in experts like you to help us grow.

• Build systems that ingest data from a large number of in-store devices and various data sources.
• Leads the design phase of large software engineering projects by collaborating with cross-functional teams to determine project strategy; interpreting strategy into sustainable architecture and solutions; identifying short- and long-term solutions and timelines; driving prototype development to ensure concept is feasible
• Leads project teams for engineering projects by providing direction regarding architecture and design; providing guidance regarding project issues or roadblocks; reviewing and approving proposed solutions; implementing new architectural patterns; and performing design and code reviews of changes; ensure stability and scalability of the platform
• Direct root cause analysis of business and production issues by reviewing and analyzing information (for example, issue, impact, criticality, possible root cause); interpreting the results to determine further action; directing root cause analysis to prevent future occurrence of issues
• Troubleshoot business and production issues by gathering information (for example, issue, impact, criticality, possible 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 support for in-store digital experiences
• Develop software using object-oriented languages such as Java and Spring Boot
• Assist with the designs and development of systems and methods in order to ensure the quality and guide the product through all stages of user acceptance process.

• 10+ years of experience programming in an object-oriented language (Java) and Spring Boot Framework
• Experience implementing software testing including unit tests and integration tests.
• Proficiency in writing and debugging Shell scripts.
• Familiarity with Azure cloud services and infrastructure.
• Experience in using SQL for database management and manipulation.
• Understanding of TypeScript and its application in software development.
• Strong problem-solving skills and attention to detail.
• Excellent communication skills, both verbal and written.
• Proactive and able to work independently or as part of a team.
• Strong understanding of the full software development life cycle.

• Experience working in AdTech with demonstrated knowledge of the AdTech business.
• Previous experience in a retail tech environment.
• Familiarity with in-store digital advertising systems.
• Experience in using large-scale data processing systems.
• Familiarity with Agile software development methodologies.
• Experience in managing data on Redis.
• Familiarity with compiling code via Looper.
• Knowledgeable in Walmart Cloud Native Platform (WCNP) or similar cloud platforms.
• Experience with Kubernetes containers.
• Proficiency in using Rancher Desktop.
• Experience in using Splunk for log management.
• Familiarity with Prometheus for event monitoring and alerting.
• Experience in using Grafana and Grafana k6 for data visualization.