Senior Software Engineer

Appsboat IncContractFeb 12th, 2026

California

7 - 10 YearsFeb 12th, 2026

96 ViewsBe an Early Applicant

Required Skillset:

ReactNode.jsMicroservicesGitDockerKubernetesExpress.jsCI/CD pipelinesEvent-driven architectureTypeScriptRESTful APIsGenerative AILangChainAzure OpenAILlamaIndexLLM-based solutionsVector databasesAWS BedrockOpenAIJavaScript (ES6+)NestJSGoogle Vertex AIGraphQL APIsPrompt engineeringAI workflowsModel orchestrationOutput optimizationSemantic searchRetrieval-augmented generation (RAG)Cloud platforms (AWS, Azure, GCP)Asynchronous programmingDevOps best practices

Job Description

Walmart is looking for a Senior Node.js & JavaScript Engineer with Generative AI (GenAI) experience to build and scale AI-powered platforms and services used across Walmart’s digital ecosystem. This role focuses on backend development, AI integration, and building intelligent, scalable solutions that support large-scale retail and e-commerce operations.

Key Responsibilities

Design, develop, and maintain scalable backend services using Node.js and JavaScript (ES6+)
Build and integrate Generative AI / LLM-based solutions such as chatbots, intelligent assistants, recommendation systems, and AI-driven automation
Integrate AI services including OpenAI / Azure OpenAI / AWS Bedrock / Google Vertex AI
Develop RESTful and GraphQL APIs for AI-enabled applications
Implement prompt engineering, AI workflows, model orchestration, and output optimization
Work with vector databases for embeddings, semantic search, and retrieval-augmented generation (RAG)
Collaborate with frontend, data science, product, and cloud teams
Ensure high standards of performance, security, scalability, and reliability
Participate in Agile/Scrum ceremonies and contribute to continuous improvement

Required Skills & Qualifications

Strong hands-on experience with Node.js and JavaScript
Proven experience implementing GenAI / LLM solutions in production
Experience with backend frameworks such as Express.js or NestJS
Experience with cloud platforms (AWS, Azure, or GCP)
Solid understanding of asynchronous programming, microservices, and event-driven architecture
Experience with Git, CI/CD pipelines, and DevOps best practices
Strong problem-solving skills and ability to work in a fast-paced enterprise environment

Nice-to-Have Skills

TypeScript
Frontend exposure (React preferred)
Experience with LangChain, LlamaIndex, or similar GenAI frameworks
Experience with vector databases (Pinecone, Weaviate, FAISS, Chroma)
Retail, e-commerce, or large-scale enterprise experience
Docker, Kubernetes, and containerized deployments

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