Senior Software Engineer - Backend

Walmart Walmart · Retail · Sunnyvale, CA

Senior Software Engineer focused on backend development for Walmart's Catalog Service, involving microservices, event-driven architecture, and integrations. The role requires expertise in Java, Spring Boot, distributed systems, and cloud technologies. While the role mentions staying up-to-date with GenAI trends, its core responsibilities are in traditional backend engineering for a large-scale retail platform.

What you'd actually do

  1. 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
  2. Lead by example. Show your chops as an exceptional and experienced developer.
  3. Troubleshoot business and production issues by gathering information and engaging support teams to resolve issues
  4. Perform root cause analysis to prevent future occurrence of issues and ensure compliance with Walmart code of conduct
  5. Provide technical guidance and mentorship to junior team members to ensure compliance with Walmart code of conduct

Skills

Required

  • Java
  • Spring Boot
  • Spring WebFlux
  • Project Reactor (Mono and Flux)
  • Microservices
  • Distributed systems
  • Cloud-native development
  • CICD
  • Git
  • Maven
  • Jenkins
  • Docker
  • Kubernetes
  • DevOps practices
  • NoSQL Databases (Cosmos DB, Cassandra)
  • Data Structures
  • Algorithms
  • Problem Solving

Nice to have

  • Spark engine
  • J2EE components
  • multithreading
  • networking
  • offline storage
  • caching
  • performance tuning
  • Solr
  • Kafka
  • Mem Cache

What the JD emphasized

  • highly scalable services
  • complex software systems problems
  • highly scalable catalog micro services
  • high impact, critical software/systems monitoring issues
  • business and production issues
  • root cause analysis
  • technical guidance and mentorship
  • medium- to large-scale, complex, cross-functional projects
  • robust and scalable architectures
  • troubleshooting open issues and bug-fixes
  • prevent re-occurrences of defects
  • Expert-level knowledge of Java
  • experience building Java-based backend systems
  • Building and implementing microservices and applications using Spring Boot and reactive frameworks like Spring WebFlux and Project Reactor (Mono and Flux)
  • Experience in internet-scale distributed technologies
  • 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 CICD development environments/tools, including Git, Maven, and Jenkins.
  • Strong understanding of CS Fundamentals, Microservices, Data Structures, Algorithms, and Problem Solving.
  • Experience with NoSQL Databases like Cosmos DB, Cassandra and ability to design and implement scalable data models.
  • Strong understanding of distributed systems, cloud-native development, and microservices architecture.
  • Experience with containerization using Docker and orchestration using Kubernetes.
  • Strong understanding of DevOps practices, including continuous integration, continuous delivery, and continuous monitoring.