Senior Software Engineer - Backend

Position Summary

We are seeking a talented and passionate Senior, Software Engineer (Back End). You will be part of the Catalog Engineering team and will be responsible for developing high‑performance and scalable Catalog Service that meets the needs of millions of Walmart customers. Design and develop integrations with next‑generation downstream applications built largely on a event‑driven platform implemented via a micro‑service architecture. We are looking to bring more intellectually curious engineers who are passionate about technology in general.

Join the innovative Walmart Catalog team, where creativity and technological innovation drive success. We specialize in enhancing Seller and supplier experiences in setting up their catalog and managing the catalog platform. Our tech stack includes Java for backend services, providing an exciting opportunity for growth and collaboration.

• Our Catalog Engineering team has built a highly scalable Catalog Service. You will work on Next Gen upstream integration, catalog migration to a new platform, and develop highly scalable catalog micro‑services. You’ll independently handle high impact, critical software/systems monitoring issues, troubleshoot business and production issues.

Immigration Sponsorship support will NOT be available for this position.

• Design & develop highly scalable services and solve complex software systems problems by leveraging state‑of‑the‑art technology and enhance Walmart Catalog and Partner experience solutions.
• Lead by example. Show your chops as an exceptional and experienced developer.
• Troubleshoot business and production issues by gathering information and engaging support teams to resolve issues.
• Perform root cause analysis to prevent future occurrence of issues and ensure compliance with Walmart code of conduct.
• Provide technical guidance and mentorship to junior team members to ensure compliance with Walmart code of conduct.
• Work in an Agile environment, adhering to best practices and collaborating with teams to deliver results.
• Stay up‑to‑date with the latest GenAI trends and technologies and contribute to the development of innovative solutions that improve the Seller and supplier experience on our Catalog platform.
• Participate in medium‑to‑large‑scale, complex, cross‑functional projects by reviewing project, product and business requirements; translating requirements into technical solutions; gathering requested information (for example, design documents, product requirements); designing robust and scalable architectures; writing and developing code; conducting unit testing; communicating status and issues to team members and stakeholders; collaborating with cross‑functional teams; troubleshooting open issues and bug‑fixes; enhancing design to prevent re‑occurrences of defects;
  
  ensuring on‑time delivery.

• Expert‑level knowledge of Java and experience building Java‑based backend systems.
• Building and implementing microservices and applications using Spring Boot and reactive frameworks like Spring Web Flux and Project Reactor (Mono and Flux).
• Experience in internet‑scale distributed technologies (e.g., Solr, Kafka, Memcached).
• Deep understanding of Spark engine.
• Strong understanding of J2EE components, multithreading, and networking.
• Extensive knowledge of offline storage, caching, and performance tuning.
• Experience with cloud‑based solutions and hands‑on experience with CI/CD development environments/tools, including Git, Maven, and Jenkins.
• Strong understanding of CS fundamentals, microservices, data structures, algorithms, and problem solving.
• Familiarity with GenAI best practices, such as designing scalable data models with No
  
  SQL databases like Cosmos DB, Cassandra.
• Strong understanding of distributed systems, cloud‑native development, and microservices architecture.
• Experience with containerization using Docker and orchestration using Kubernetes.
• Strong understanding of Dev Ops practices, including continuous integration, continuous delivery, and continuous monitoring.

Imagine working in an environment where one line of code can make life easier for hundreds of…