Senior, Software Engineer - Web/OL

What You’ll Do Full Stack Development: Spend 75‑80% of your time engaging in hands‑on coding for both frontend and backend systems. Perform thorough code reviews, debugging, and optimization. Ensure high code quality and adherence to best practices. User Interface Design: Utilize your proficiency in HTML, CSS, JavaScript, ReactJS, and Webpack to build responsive and dynamic user interfaces. Implement and customize CSS frameworks such as Bootstrap or Foundation to enhance the visual appeal and functionality. Site Speed Optimization: Focus on optimizing site speed and performance, ensuring fast load times and efficient resource utilization. Use various techniques to enhance page performance. Browser Storage & Memory Management: Manage browser storage effectively and optimize browser memory usage to ensure smooth and efficient web application performance. Node.js Expertise: Leverage your strong hold on Node.js for server‑side JavaScript, developing scalable backend services and ensuring seamless integration with frontend applications. Implement efficient data processing and handle asynchronous operations effectively. Backend Development: Design and develop RESTful APIs, ensuring robust and secure communication between frontend and backend systems. Work with databases, both SQL and NoSQL, to manage data storage and retrieval efficiently. Apply performance optimization techniques and security best practices. Mentoring & Learning: Provide mentorship to junior team members, fostering a culture of continuous learning and professional growth. Lead by example and encourage knowledge sharing within the team. Architecture & Design: Stay abreast of emerging frontend and backend technologies, make strategic architectural decisions, and maintain comprehensive documentation. Drive the architectural vision for both frontend and server‑side systems. Collaboration: Work closely with cross‑functional teams to enhance user experiences and ensure seamless integration. Facilitate effective communication and collaboration across departments. App Health, Quality, and Performance: Prioritize application quality, respond swiftly to feedback, improve performance, and address critical issues proactively. Implement best practices for monitoring and maintaining application health. Tech Initiatives & Innovation: Contribute to technological advancements and innovation within the team. Champion new ideas and drive the adoption of cutting‑edge frontend and backend technologies. Time Management & Planning: Develop detailed project timelines, manage tasks efficiently, and practice effective time management. Ensure timely delivery of high‑quality projects. Engineering Excellence: Focus on meticulous, detail‑oriented work, conduct rigorous code reviews, and resolve complex technical challenges. Uphold the highest standards of engineering excellence. Leadership: Provide strategic technical guidance, lead and manage projects, and coordinate with other teams to achieve successful outcomes. Exhibit strong leadership qualities and mentor junior team members. What You Will Bring Technical Skills: Proficiency in HTML, CSS, and JavaScript for frontend development. Expertise in frontend technologies including ReactJS and Webpack. Deep understanding of site speed optimization techniques and best practices. Experience with CSS frameworks such as Bootstrap or Foundation. Proficiency in managing browser storage and optimizing browser memory usage. Strong hold on Node.js for server‑side JavaScript and associated backend development. Experience in designing and developing RESTful APIs for robust and secure communication between frontend and backend systems. Proficiency with databases, including both SQL (e.g., PostgreSQL, MySQL) and NoSQL (e.g., MongoDB) solutions. Knowledge of asynchronous programming and event‑driven architecture in Node.js. Familiarity with performance optimization techniques for backend systems to ensure high responsiveness and low latency. Understanding of security best practices for protecting against vulnerabilities and ensuring data integrity and privacy. Experience with containerization tools such as Docker and orchestration platforms like Kubernetes. Proficiency with version control systems (e.g., Git) and CI/CD pipelines. Experience with cloud‑native technologies (GCP/Azure) and DevOps practices. General Skills: Several years of full‑stack development experience in complex web applications. Proven ability to write clean, testable, and maintainable code. Strong analytical and problem‑solving skills. Excellent verbal and written communication skills. Demonstrated leadership abilities to lead projects and mentor junior team members. Experience in e‑commerce or marketplace platforms. Contributions to open-source projects or active involvement in internal platform evangelism. Minimum Qualifications Bachelor’s degree in computer science, computer engineering, computer information systems, software engineering, or related area and 3 years’ experience in software engineering or related area. 5 years’ experience in software engineering or related area. Preferred Qualifications Master’s degree in Computer Science, Computer Engineering, Computer Information Systems, Software Engineering, or related area and 1 year’s experience in software engineering or related area. Background in creating inclusive digital experiences, demonstrating knowledge in implementing Web Content Accessibility Guidelines (WCAG) 2.2 AA standards, assistive technologies, and integrating digital accessibility seamlessly. Knowledge of accessibility best practices and ability to support an inclusive culture. Primary Location 10900 Ne 4th St, Bellevue, WA 98004, United States of America Equal Opportunity Employer Walmart, Inc. is an Equal Opportunity Employer – By Choice. We believe we are best equipped to help our associates, customers, and the communities we serve live better when we really know them. That means understanding, respecting, and valuing diversity—unique styles, experiences, identities, abilities, ideas and opinions—while being inclusive of all people. #J-18808-Ljbffr Walmart