Software Engineer Fullstack Jobs in California (NOW HIRING)

Position Summary...We are seeking a talented and passionate Staff Full Stack Software Engineer to join our Marketplace Engineering team. In this role you will play a pivotal role in shaping the architecture scalability usability and reliability of Walmart's Marketplace platforms. You'll partner with cross-functional teams to build intuitive customer experiences scalable backend services and modern engineering solutions that power Walmart's third-party seller ecosystem.
About the Team
This role is part of the Walmart Marketplace Payments organization. Our team builds platforms and experiences that power how sellers and partners get paid. We drive high-impact portfolios including Capital Faster Payout Critical Payout Services Risk Management Agentic AI-powered workflows and the expansion of payment services across international markets. As these areas continue to grow in scale and complexity we are looking for a Staff Full Stack Software Engineer to provide technical leadership architectural direction and mentorship that will enable us to deliver modern user experiences with quality resilience and speed.
Immigration Sponsorship support will NOT be available for this position. What you'll do...

• Lead the architecture and development of modern responsive web applications using React TypeScript and modern frontend technologies while partnering closely with backend engineers to build seamless end-to-end experiences.
• Design intuitive user experiences that simplify complex payment and financial workflows for Marketplace sellers while driving accessibility usability and performance best practices.
• Build and deliver scalable backend services using Java (JDK 21) Spring Boot Kafka Cassandra and event-driven architectures to power highly available Marketplace platforms.
• Lead the architecture and development of platform capabilities supporting Marketplace Capital products including lending cashback eligibility financial decisioning and related platform services.
• Design and implement Agentic AI-powered workflows that accelerate feature delivery improve developer productivity automate repetitive engineering tasks and help sellers accomplish business workflows more efficiently.
• Build reusable frontend components shared libraries design patterns and platform capabilities that improve consistency and accelerate engineering velocity across teams.
• Build highly scalable cloud-native applications across Azure GCP and private cloud environments with a strong focus on reliability observability and disaster recovery readiness.
• Design and build scalable payment platform capabilities that support Walmart's continued expansion across international markets while ensuring high availability regulatory compliance and operational excellence.
• Guide mentor and elevate engineers across frontend backend and full stack development. Foster a culture of technical rigor ownership and continuous learning.
• Work with teams across geographies to define and deliver solutions aligned with business needs marketplace growth and platform scale.

What you'll bring

• At least 6 years of professional software development experience with significant experience building modern full stack applications and leading technical architecture for large-scale platforms.
• Strong proficiency in React TypeScript JavaScript HTML CSS and modern frontend architecture including state management performance optimization accessibility and responsive design.
• Strong backend experience with Java (JDK 21) Spring Boot REST APIs Kafka Cassandra and distributed systems.
• Experience building cloud-native applications across Azure GCP or private cloud environments with an emphasis on scalability performance reliability and resiliency.
• Experience designing or integrating AI-powered applications LLM-based workflows or Agentic AI solutions to improve engineering productivity developer experience or customer workflows.
• Experience building or contributing to payments financial services lending fintech marketplace or international payment platforms is a strong plus.
• Passion for building delightful user experiences while balancing engineering excellence scalability maintainability and performance.
• Adept at breaking down complex problems into actionable solutions while balancing trade-offs across user experience performance cost reliability and delivery speed.
• Excellent communication skills with the ability to influence align and partner with engineers designers product managers and stakeholders across global teams.
• Experience mentoring engineers setting technical direction and raising the bar for engineering excellence.

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 $143,000.00 - $286,000.00 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 4 years’ experience in software engineering or related area.
Option 2: 6 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 2 years' 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... 1375 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.