(USA) Staff, Software Engineer

Walmart•Sunnyvale, CA

4d•Onsite

About The Position

As a Staff Software Engineer on the Marketplace Platform team, you will lead the design and maintenance of frameworks that enhance Walmart’s Marketplace for sellers and channel partners. You’ll code, debug, optimize, and monitor application health to ensure reliable performance. You’ll mentor junior engineers and collaborate with product and UX/UI teams to deliver seamless integrations. You will also help manage the Walmart Marketplace Platform API, enabling third-party sellers to leverage Solution Partner services effectively. This growing business area offers strong opportunities for innovation, impact, and career growth in a dynamic, collaborative environment. About the team: Join the Walmart Marketplace Platform team, where innovation and technology drive impactful solutions. The team focuses on enhancing Seller and Channel Partner Portal experiences and managing a sophisticated Marketplace API gateway. Utilizing a tech stack that includes Java for backend services and ReactJS for frontend development, the team delivers scalable, resilient, and efficient platform capabilities. Members collaborate on software design, API development, and cloud-native architecture, fostering continuous improvement and technical excellence. This environment offers opportunities for growth, cross-functional collaboration, and contributing to advanced platform engineering initiatives that support business goals and customer success.

Requirements

Frontend experience with JavaScript, HTML, CSS, React, and Webpack
Deep understanding of RESTful APIs, system design, and microservices architecture
Java backend experience, including extensive Spring Boot
Proficient with Git and CI/CD pipelines
Familiar with containerization and Kubernetes
Experience with SQL and NoSQL databases, plus caching solutions
Experience on platform teams or building shared tools/frameworks for developers
Proven ability to write clean, testable, maintainable code
Cloud-native experience (GCP/Azure) and DevOps practices
Strong analytical and problem-solving skills
Excellent verbal and written communication skills
Demonstrated leadership: leading projects and mentoring junior engineers
Experience in e-commerce or marketplace platforms
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.
6 years’ experience in software engineering or related area.

Nice To Haves

Open-source contributions or internal platform evangelism a plus
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
Creating inclusive digital experiences, demonstrating knowledge in implementing Web Content Accessibility Guidelines (WCAG) 2.2 AA standards, assistive technologies, and integrating digital accessibility seamlessly.
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.

Responsibilities

Spend most time hands-on coding across frontend/backend; review code, debug, and optimize to uphold best practices.
Build responsive UIs with JavaScript, HTML/CSS, React, and Webpack; ensure consistent, seamless UX.
Develop scalable backend services using Java, Spring Boot, Kubernetes, and microservices; integrate smoothly with the frontend.
Mentor teammates and promote continuous learning and knowledge sharing.
Drive architecture/design decisions; stay current on emerging tech; maintain clear documentation.
Collaborate cross-functionally to improve user experience and integrations.
Own app health: monitoring, quality, performance, and proactive issue resolution.
Lead innovation/tech initiatives; champion new tools and approaches.
Plan/manage tasks and timelines to deliver high-quality work on schedule.
Provide technical leadership; coordinate execution across teams.

Benefits

Competitive pay
Performance-based bonus awards
Medical coverage
Vision coverage
Dental coverage
401(k)
Stock purchase
Company-paid life insurance
PTO (including sick leave)
Parental leave
Family care leave
Bereavement
Jury duty
Voting
Short-term disability
Long-term disability
Company discounts
Military Leave Pay
Adoption and surrogacy expense reimbursement
PTO and/or PPTO that can be used for vacation, sick leave, holidays, or other purposes.
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.