Software Engineer III developing scalable backend services and APIs for Walmart's Generative AI solutions. Collaborating with cross-functional teams to deliver reliable and performant solutions.
Responsibilities
Design, develop, and maintain scalable backend services and APIs using Java, Node.js (TypeScript), React, ServiceNow and Python
Build and enhance user-facing web applications using React
Implement and operate real-time conversational and search capabilities
Integrate backend systems with ML and GenAI services
Design and evolve service contracts, data models, and workflows across microservices and event-driven architectures
Contribute to system reliability, scalability, and performance
Write high-quality, well-tested code
Collaborate cross-functionally with product managers, designers, ML engineers, and other developers
Participate in production support and on-call rotations
Continuously improve developer productivity and system quality by adopting appropriate tools, frameworks, and engineering practices
Requirements
3+ years of professional software engineering experience
Strong backend development experience in Java/Spring Boot, Node.js/TypeScript, and/or Python
Hands-on experience building modern web applications using React
Solid understanding of frontend fundamentals, state management, and API-driven UI development
Hands-on experience in ServiceNow and knowledgeable on ServiceNow Modules
Experience building and operating distributed systems, including microservices, asynchronous processing, and data-intensive workflows
Exposure to real-time systems, such as conversational interfaces, chatbots, search, or decision-support platforms
Knowledge on OCR is a plus
Solid API design skills, including RESTful APIs, service contracts, versioning, and integration patterns
Experience integrating with AI/ML or GenAI services
Working knowledge of data storage systems, including relational and NoSQL databases
Understanding of security fundamentals, including authentication, authorization, and secure API development
Experience with observability tools, including logging, metrics, and basic tracing
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