Principal Fullstack Engineer - AI

Walmart is seeking a Principal, Software Engineer, to lead platform engineering initiatives that deliver scalable, cloud-native solutions and AI-enhanced applications. This role involves driving the full software development lifecycle, aligning technical efforts with strategic roadmaps, and fostering engineering excellence through mentorship and collaboration. The position requires expertise in distributed system design, AI/ML integration, and technical leadership to ensure high availability, reliability, and innovation. The successful candidate will engage cross-functional teams to translate business needs into effective technical solutions that support Walmart's long-term platform evolution and operational goals.

Responsibilities:

• Collaborate and Innovate: Work in a dynamic, cross-functional team environment, sharing creative ideas and partnering with engineers, designers, and product managers to shape the vision and architecture of our web platforms.
• End-to-End Development: Design, develop, and maintain scalable, high-performance applications using a modern tech stack, ensuring seamless integration between frontend and backend components.
• Problem Solving: Conduct root cause analysis on applications to address business questions, identify performance bottlenecks, and uncover opportunities for improvement.
• Cross-Team Collaboration: Engage with engineering teams across geographies to share knowledge, leverage expertise, and contribute to the broader tech community.

Requirements:

• Bachelor's/Master's degree in computer science, software engineering, or a related area.
• 10+ yrs of experience with strong expertise in modern application development using AI.
• AI Skills: Generative AI, LLMs, Agentic and RAG frameworks to lead the design, development, and deployment of advanced AI systems. This role involves architecting scalable solutions, integrating agentic frameworks, and mentoring engineering teams to push the boundaries of AI-driven innovation.
• Backend Expertise: Deep proficiency in Java, J2EE, and Spring Framework with strong knowledge of JVM internals (concurrency and multi-threading).
• Solid understanding of Service-Oriented Architecture and hands-on experience building RESTful web services.
• Strong fundamentals in algorithms, data structures, and database concepts, with expertise in SQL and relational databases like Postgres, Microsoft SQL-Server and BigQuery.
• Experience with distributed systems and technologies such as Elasticsearch, Kafka, and Python is highly desirable.
• Frontend Expertise: Proficiency in HTML5 CSS3 JavaScript, and modern frameworks like ReactJS, React Native, Redux, Webpack, and Node.js .
• Experience building responsive, user-friendly interfaces with AJAX and modern frontend tooling.
• Cloud and DevOps: Hands-on experience with cloud development and deploying applications in cloud environments.
• Knowledge of Software Engineering best practices, including CI/CD pipelines, log aggregation, monitoring, and alerting for production systems.
• System Design: Proven ability to build scalable, highly available distributed systems in production environments.