Java Front End Developer

ASM Tech Solutions; Sunnyvale (CA); On-site; USD 90,000 - 120,000; Part time

Job summary

ASM Tech Solutions is seeking a skilled Java Front End Developer in Sunnyvale, CA. This role involves crafting high-performance web applications with React.js, integrating backend services with Node.js, and collaborating across teams to enhance digital experiences. We require 3-6 years of development experience, proficiency in modern JavaScript, and a relevant Bachelor's degree. If you're ready to work in a dynamic environment and contribute to high-impact projects, apply now.

Qualifications

• 3-6 years of professional experience in frontend/full stack development.
• Strong proficiency in React.js, component architecture, and state management.
• Solid experience with Node.js for building APIs and middleware.

Responsibilities

• Design, develop, and maintain responsive web applications using React.
• Build and maintain Node.js-based server-side logic and microservices.
• Collaborate with backend teams to integrate frontend interfaces.

Skills

React.js proficiency

Node.js development

JavaScript (ES6+)

Agile/Scrum methodologies

Education

Bachelor's degree in Computer Science or related field

Tools

Git

Docker

Kubernetes

Job description

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.

Position: Java Front End Developer

Engagement Type: Contract

Location: Sunnyvale, CA

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.