Associate Reliability Engineer Jobs in Antioch, CA

Position Summary... What you'll do...At Walmart, we are transforming the future of retail through technology. Our team partners closely with Walmart U.S. stores and the eCommerce business to create innovative solutions that empower customers, associates, stores, and merchants across digital and in-store experiences.
 
We are looking for a Senior Software Engineer, Web to join our Checkout team, where you will play a key role in shaping one of the most important experiences on Walmart.com: checkout. This team is responsible for building fast, intuitive, and dependable web experiences that help customers complete their purchases with ease and confidence.
 
In this role, you will design, build, and optimize modern web applications that support a seamless checkout journey at scale. You will work across product, UX, and engineering teams to deliver high-quality solutions, improve platform performance, and help drive the evolution of the checkout experience.
 
The Checkout team owns the customer journey from cart to order placement. This is a high-impact opportunity for an engineer who is passionate about building exceptional web experiences, solving complex technical challenges, and contributing to the future of eCommerce at Walmart.
  What You’ll Do

• Design, develop, test, and maintain scalable web applications that power the Walmart.com checkout experience.
• Build intuitive, responsive, and accessible user interfaces that deliver a seamless customer experience across devices and browsers.
• Partner closely with product managers, designers, and engineers to translate business and customer needs into high-quality technical solutions.
• Contribute to architecture and technical design decisions that improve performance, reliability, maintainability, and scalability.
• Optimize web applications for speed, usability, observability, and operational excellence.
• Drive engineering best practices including code reviews, testing, documentation, and continuous improvement.
• Troubleshoot production issues, identify root causes, and implement durable solutions.
• Mentor junior engineers and contribute to a strong culture of collaboration, technical excellence, and innovation.
• Explore and apply emerging technologies, including GenAI-powered capabilities, where they can improve developer productivity or customer experience.

What You’ll Bring

• Bachelor’s degree in Computer Science, Engineering, or a related field, or equivalent practical experience.
• Strong experience building modern web applications using JavaScript, TypeScript, GraphQL, HTML, and CSS.
• Hands-on experience with modern front-end frameworks such as React, Next.js, or similar technologies.
• Solid understanding of web application architecture, API integration, state management, performance optimization, and responsive design.
• Experience building scalable, reliable, and maintainable systems in a production environment.
• Familiarity with software engineering best practices including testing, version control, CI/CD, and code quality standards.
• Strong problem-solving skills and the ability to work effectively in a fast-paced, collaborative environment.
• Excellent communication skills and the ability to influence technical direction across cross-functional teams.
• Experience working on high-traffic, customer-facing products where quality, performance, and reliability are critical.

Preferred Qualifications

• 5+ Years of experience on building Web applications using React, NextJS and GraphQL at scale .
• Experience on building or supporting checkout, cart, payments, or other transactional eCommerce experiences.
• Experience with GenAI, LLM-powered applications, or AI-assisted developer and customer-facing workflows.
• Familiarity with Node.js, server-side rendering, or full-stack web development.
• Knowledge of accessibility (A11y) , internationalization (i18n) standards and best practices for building inclusive digital experiences.
• Experience with observability, monitoring, and debugging tools in large-scale production systems.
• Exposure to cloud platforms and modern deployment environments.
• Experience mentoring engineers and leading technical initiatives across teams.
• Understanding of experimentation, A/B testing, and data-informed product development.

About Walmart Global Tech
Imagine working in an environment where one line of code can make life easier for hundreds of millions of people. That’s what we do at Walmart Global Tech. We’re a team of software engineers, data scientists, cybersecurity expert's and service professionals within the world’s leading retailer who make an epic impact and are at the forefront of the next retail disruption. People are why we innovate, and people power our innovations. We are people-led and tech-empowered. We train our team in the skillsets of the future and bring in experts like you to help us grow. We have roles for those chasing their first opportunity as well as those looking for the opportunity that will define their career. Here, you can kickstart a great career in tech, gain new skills and experience for virtually every industry, or leverage your expertise to innovate at scale, impact millions and reimagine the future of retail. Walmart’s culture is a competitive advantage, and it’s fostered by being together. Working together in person allows us to collaborate, align quickly and innovate with greater speed.  We use our campuses to create purposeful connection rooted in deepening understanding and investing in the development of our associates.  
Our hubs: Walmart is a global company with offices across the United States and around the world. Our global headquarters is in Bentonville, Arkansas, with primary hubs in the San Francisco Bay area and New York/New Jersey.   Benefits:
Benefits: Beyond our great compensation package, you can receive incentive awards for your performance. Other great perks include 401(k) match, stock purchase plan, paid maternity and parental leave, PTO, multiple health plans, and much more. 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 unique styles, experiences, identities, ideas, and opinions – while being inclusive of all people. The above information has been designed to indicate the general nature and level of work performed in the role. It is not designed to contain or be interpreted as a comprehensive inventory of all responsibilities and qualifications required of employees assigned to this job. The full Job Description can be made available as part of the hiring process. At Walmart, we offer competitive pay as well as performance-based bonus awards and other great benefits for a happier mind, body, and wallet. Health benefits include medical, vision and dental coverage. Financial benefits include 401(k), stock purchase and company-paid life insurance. Paid time off benefits include PTO (including sick leave), parental leave, family care leave, bereavement, jury duty, and voting. Other benefits include short-term and long-term disability, company discounts, Military Leave Pay, adoption and surrogacy expense reimbursement, and more. You will also receive PTO and/or PPTO that can be used for vacation, sick leave, holidays, or other purposes. The amount you receive depends on your job classification and length of employment. It will meet or exceed the requirements of paid sick leave laws, where applicable. For information about PTO, see https://one.walmart.com/notices. Live Better U is a Walmart-paid education benefit program for full-time and part-time associates in Walmart and Sam's Club facilities. Programs range from high school completion to bachelor's degrees, including English Language Learning and short-form certificates. Tuition, books, and fees are completely paid for by Walmart.
Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to a specific plan or program terms.
For information about benefits and eligibility, see One.Walmart.
The annual salary range for this position is $117,000.00 - $234,000.00 Additional compensation includes annual or quarterly performance bonuses. Additional compensation for certain positions may also include :
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Minimum Qualifications...

Outlined below are the required minimum qualifications for this position. If none are listed, there are no minimum qualifications.

Option 1: 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.
Option 2: 5 years’ experience in software engineering or related area. Preferred Qualifications...

Outlined below are the optional preferred qualifications for this position. If none are listed, there are no 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., We value candidates with a 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. The ideal candidate would have knowledge of accessibility best practices and join us as we continue to create accessible products and services following Walmart’s accessibility standards and guidelines for supporting an inclusive culture. Primary Location... 1395 Crossman Ave, Sunnyvale, CA 94089-1114, United States of America Walmart and its subsidiaries are committed to maintaining a drug-free workplace and has a no tolerance policy regarding the use of illegal drugs and alcohol on the job. This policy applies to all employees and aims to create a safe and productive work environment.