Software Engineer III

Walmart Walmart · Retail · Sunnyvale, CA

Software Engineer III role at Walmart focused on building and scaling backend systems and distributed services for the Walmart+ Membership platform. The role involves leading the design and delivery of end-to-end solutions, collaborating with cross-functional teams, ensuring code quality, driving execution across initiatives, troubleshooting complex issues, and implementing observability solutions. Experience with Java, Node.js, JavaScript, Python, API design, and consumer-facing applications in eCommerce is required. Familiarity with AI-assisted developer tools is a plus.

What you'd actually do

  1. Lead the design and delivery of innovative end-to-end solutions for the Walmart+ Membership platform by partnering with cross-functional teams across product, design, and engineering.
  2. Collaborate with stakeholders to define project requirements and translate them into scalable, high-quality solutions using Java, JavaScript, Node.js, and Python. Drive development from concept through implementation, including design documentation, requirement analysis, coding, and testing.
  3. Ensure code quality and platform stability by conducting thorough code reviews, investigating application crashes, and providing hands-on support to engineering teams.
  4. Drive execution across multiple initiatives by identifying customer and operational needs, tracking progress, and adjusting strategies to meet business goals.
  5. Troubleshoot complex business and production issues across platforms by analyzing impact, RCA, and coordinating with support teams and participate in Oncall rotation

Skills

Required

  • 5+ years of full-stack software development experience
  • strong proficiency in Java, Node.js, JavaScript, and Python
  • Proven experience building and scaling backend systems and distributed services for large-scale applications
  • Strong expertise in API design and integration, including REST and GraphQL, with experience working with external data sources
  • Solid foundation in unit testing, debugging, and performance optimization to ensure reliable, high-quality software
  • Experience developing consumer-facing applications, preferably in eCommerce or retail environments
  • Frontend experience translating wireframes into high-quality user interfaces, including animations and transitions
  • Familiarity with Agile/Scrum methodologies, CI/CD practices, and exposure to DevOps or SRE principles

Nice to have

  • Experience using AI-assisted developer tools (e.g., ChatGPT, GitHub Copilot) to improve productivity and code quality

What the JD emphasized

  • Immigration Sponsorship support will NOT be available for this position