Software Engineer III

Walmart · Retail · Bangalore, KA, India

Software Engineer III at Walmart focused on building and integrating GenAI powered agents, workflows, and engineering tools to enhance developer productivity and testing automation. The role involves working with LLM APIs, prompt engineering, RAG pipelines, and agentic frameworks within an enterprise AI context.

What you'd actually do

  1. Develop, integrate, and optimize GenAI powered agents, workflows, and engineering tools that elevate productivity, accelerate defect detection, and streamline operational efficiency.
  2. Design, build, and scale resilient backend services, REST APIs, and automation pipelines engineered to operate reliably at Walmart’s global scale.
  3. Write high quality, performant code and own features through the full lifecycle—from design and development to QA, deployment, and production support.
  4. Embed telemetry, monitoring, observability, and CI/CD excellence into engineering workflows to strengthen reliability and accelerate delivery.
  5. Research, evaluate, and adopt emerging technologies to modernize existing solutions and unlock new engineering capabilities.

Skills

Required

  • Node.js
  • JavaScript
  • Python
  • building services that integrate with LLM or GenAI APIs
  • GenAI engineering
  • Building or integrating LLM powered agents and automation workflows
  • Applying prompt engineering techniques for reliability, accuracy, and safety
  • Implementing Retrieval Augmented Generation (RAG) pipelines for contextual intelligence
  • Working with agentic frameworks (LangChain, LlamaIndex, or similar) to orchestrate multi step reasoning
  • Evaluating model outputs, guardrails, and quality signals
  • REST APIs
  • distributed systems
  • backend automation
  • event driven architectures
  • CI/CD pipelines
  • Git
  • DevOps tooling
  • debugging
  • system integration
  • performance optimization
  • observability best practices
  • troubleshoot complex backend, automation, and AI driven workflow issues

Nice to have

  • mobile/web automation frameworks (Appium, TestCafe, XCUI Test, Espresso)
  • AI assisted code generation and automated validation
  • vector databases
  • embeddings
  • knowledge retrieval systems
  • fast learner
  • high ownership
  • commitment
  • adaptability in rapidly evolving AI ecosystems
  • Experience building or integrating GenAI powered applications, agents, or workflows
  • Experience designing automation frameworks for Native, Web, or Backend platforms
  • Experience with large scale eCommerce, retail, or customer facing systems
  • Strong understanding of quality engineering principles, test strategy, and defect management
  • Ability to influence and collaborate across large cross functional engineering teams

What the JD emphasized

  • GenAI engineering
  • Building or integrating LLM powered agents and automation workflows
  • Applying prompt engineering techniques for reliability, accuracy, and safety
  • Implementing Retrieval Augmented Generation (RAG) pipelines for contextual intelligence
  • Working with agentic frameworks (LangChain, LlamaIndex, or similar) to orchestrate multi step reasoning
  • Evaluating model outputs, guardrails, and quality signals

Other signals

  • GenAI powered agents, workflows, and engineering tools
  • LLM or GenAI APIs
  • agentic frameworks
  • Retrieval Augmented Generation (RAG) pipelines