Senior Java Backend Developer Jobs in Walnut Creek, CA

Position Summary... What you'll do...We are seeking a talented Software Engineer to join the Catalog Derivation Platform team within Walmart’s Catalog organization. The ideal candidate will have 3+ years of hands-on Java backend development experience, with deep expertise in Spring Boot, Kafka, NoSQL databases, and BigQuery. You will play a key role in building and maintaining scalable services that drive product attribute derivation, variant redesign, and catalog enrichment. Strong skills in writing unit and functional test cases are essential, as is a demonstrated ability to leverage AI-powered tools and workflows to boost developer productivity and accelerate delivery. Key Responsibilities:

• Design, develop, and maintain robust Java backend services for the Derivation Platform, enabling advanced product attribute derivation and catalog enrichment
• Integrate and manage real-time messaging pipelines using Kafka
• Work with NoSQL databases and BigQuery for scalable data storage, analytics, and enrichment workflows
• Write comprehensive unit and functional test cases to ensure high code quality and reliability
• Utilize AI tools and agentic workflows to automate development tasks, improve code quality, and drive innovation within the Catalog team
• Collaborate with cross-functional teams (Product Setup, Variant Management, Uber, Editorial) to deliver impactful catalog solutions
• Stay current with emerging technologies, backend engineering best practices, and AI advancements

Required Skills:

• 3+ years of hands-on Java backend development experience
• Strong proficiency in Spring Boot, Kafka, NoSQL databases, and BigQuery
• Experience writing unit and functional tests
• Demonstrated ability to use AI tools (e.g., GitHub Copilot, agentic workflows, or similar) to enhance productivity and code quality
• Strong problem-solving and communication skills

Preferred:

• Experience with cloud platforms and CI/CD automation
• Familiarity with catalog data models, product attribute derivation, and orchestration tools

About Team:
Our team works closely with our US stores and eCommerce business to better serve customers by empowering team members, stores, and merchants with technological innovation. From groceries and entertainment to sporting goods and crafts, Walmart U.S. offers an extensive selection that our customers value, whether they shop online at Walmart.com, through one of our mobile apps, or in-store. Focus areas include customers, stores and employees, in-store service, merchant tools, merchant data science, and search and personalization.
What you'll do: As a Software Engineer on the Catalog Derivation Platform team, you will:

• Design, develop, and maintain Java backend services that enable advanced product attribute derivation and catalog enrichment.
• Integrate real-time messaging pipelines using Kafka and manage data storage and analytics with NoSQL databases and BigQuery.
• Write robust unit and functional test cases to ensure code quality and reliability.
• Leverage AI-powered tools and workflows to automate development tasks, improve productivity, and drive innovation within the Catalog team.
• Collaborate with cross-functional teams to deliver impactful catalog solutions and stay current with backend engineering and AI best practices.

What you'll bring:

• Strong Java backend development skills, with hands-on experience in Spring Boot and Kafka
• Proven ability to design and build scalable, reliable services for data enrichment and processing
• Expertise in NoSQL databases and BigQuery for managing and analyzing large datasets
• Demonstrated proficiency in writing robust unit and functional test cases to ensure code quality
• Ability to leverage AI-powered tools and workflows to enhance productivity and accelerate delivery

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 2 years’ experience in software engineering or related area.
Option 2: 4 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, 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. Masters: Computer Science 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.