Staff, Software Engineer

Walmart•Sunnyvale, CA

About The Position

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.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 What you'll do... We are seeking a Staff Software Engineer to design and build enterprise-scale Marketplace platforms supporting Seller Risk. This role is backend-heavy, with strong expectations for Java-based distributed systems, while also providing technical leadership for React-based front-end applications. 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

Requirements

12+ 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 TypeScript, JavaScript (ES6+), HTML, and CSS
Experience designing and consuming RESTful or GraphQL APIs
Solid understanding of system design, concurrency, and data modeling
Experience with SQL and NoSQL databases

Nice To Haves

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

Responsibilities

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 + TypeScript front-end applications
Define API contracts (REST / GraphQL) 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

Benefits

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 : - Stock