Software Engineer, Backend Developer, Java Developer

Overview

We are seeking a Staff Software Engineer to design and build enterprise-scale Marketplace platforms supporting seller onboarding, catalog, pricing, inventory, and order management. This role is backend-heavy, with strong expectations for Java-based distributed systems, while also providing technical leadership for React-based front-end applications.

Position Summary and What you'll do:
You will operate as a senior technical leader, driving architecture, system design, and engineering excellence across the full stack. Candidates must be authorized to work in the U.S. No visa sponsorship available now or in the future.

• Architect and develop highly scalable backend services using Java and Spring/Spring Boot
• Design distributed systems supporting marketplace workflows and real-time transactions
• Build event-driven architectures using Apache Kafka
• Develop and maintain React + Type Script front-end applications
• Define API contracts (REST / Graph
  
  QL) between front-end and backend services
• Optimize systems for performance, reliability, and scalability
• Drive technical standards for coding, testing, CI/CD, and observability
• Partner with product, UX, data, and platform teams
• Mentor engineers and lead design and code reviews

• 8+ years of professional software engineering experience
• Strong expertise in Java and backend development
• Experience building distributed, microservices-based systems
• Hands-on experience with Apache Kafka and event streaming
• Experience with React and modern front-end development
• Strong knowledge of Type Script, JavaScript (ES6+), HTML, and CSS
• Experience designing and consuming RESTful or Graph
  
  QL APIs
• Solid understanding of system design, concurrency, and data modeling
• Experience with SQL and No
  
  SQL databases

• Marketplace, e-commerce, or large-scale platform experience
• Experience with Big Data technologies (Spark, Hadoop, Flink)
• Experience with cloud platforms (AWS, GCP, or Azure)
• Experience with Kubernetes and Docker
• Experience with micro-frontend architectures
• Familiarity with AI/ML integration and data-driven systems
• Experience with observability tools (Prometheus, Grafana, ELK)
• Strong understanding of security and data privacy best practices

• Backend systems reliably process millions of marketplace events
• Front-end applications deliver high-performance, intuitive user experiences
• Systems are fault-tolerant, scalable, and operationally mature
• Engineering standards meet enterprise and Walmart Global Tech expectations

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  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 $ - $. Additional compensation includes annual or quarterly performance bonuses. Additional compensation for certain positions may also include:

• Stock

Minimum Qualifications and Preferred Qualifications are listed below. See the original posting for details.

Primary

Location:

1345 Crossman Ave, Sunnyvale, CA , United States of America

Walmart and its subsidiaries are committed to maintaining a drug-free workplace and have 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.