Java Front End Developer

Engagement Type: Contract

Location: Sunnyvale, CA

About the Role

Walmart is seeking a skilled and motivated Java Front End Developer to join its technology team. In this role, you will work at the intersection of frontend engineering and backend integration, building scalable, high-performance web applications that serve millions of users globally. You will collaborate with cross-functional teams including product managers, UX designers, and backend engineers to deliver seamless digital experiences.

Key Responsibilities

• Design, develop, and maintain responsive, high-quality web applications using React and modern JavaScript (ES6+).
• Build and maintain Node.js-based server-side logic, APIs, and microservices.
• Collaborate with Java backend teams to integrate frontend interfaces with RESTful and GraphQL APIs.
• Write clean, maintainable, and well-documented code following best practices and coding standards.
• Participate in code reviews, technical discussions, and architecture planning sessions.
• Optimize application performance for speed, scalability, and cross-browser compatibility.
• Contribute to CI/CD pipelines and DevOps best practices.
• Work on performance-critical components using Rust where applicable (preferred).
• Troubleshoot and debug issues across the full stack when required.
• Stay current with emerging frontend and backend technologies relevant to Walmart's ecosystem.

Required Skills & Experience

• 3–6 years of professional experience in frontend/full stack development.
• Strong proficiency in React.js — component architecture, hooks, state management (Redux / Context API).
• Solid experience with Node.js — building APIs, middleware, and server-side rendering.
• Deep expertise in JavaScript (ES6+), including async/await, promises, and modular design.
• Working knowledge of Java for backend integration and understanding of Spring Boot or similar frameworks.
• Experience with RESTful API design and consumption.
• Familiarity with HTML5, CSS3, and modern UI/UX principles.
• Proficiency with Git and version control workflows.
• Understanding of Agile/Scrum methodologies.

Preferred / Nice-to-Have Skills

• Experience with Rust for systems-level or performance-critical frontend/backend components.
• Exposure to Walmart's internal tech stack or large-scale retail/e-commerce platforms.
• Knowledge of containerization tools such as Docker and Kubernetes.
• Experience with cloud platforms — AWS, GCP, or Azure.
• Familiarity with GraphQL, WebSockets, or event-driven architectures.
• Understanding of web accessibility standards (WCAG 2.1).

Educational Qualifications

• Bachelor's degree in Computer Science, Information Technology, or a related field, or equivalent practical experience.

Soft Skills

• Strong analytical and problem-solving abilities.
• Excellent communication skills with the ability to collaborate across teams.
• Self-driven with a strong sense of ownership and accountability.
• Ability to manage multiple priorities in a fast-paced, high-impact environment.