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(USA) Senior, Software Engineer, Java, Backend
WalmartUnited Statesfull_timeVerifiedPosted 10 Nov 2025
💰 $234,000/yr($117,000/yr – $234,000/yr)
About the role
Position Summary...
What you'll do...
Job Summary As a Senior Software Engineer on the Marketplace Platform team, you will design and maintain frameworks to enhance Walmart's Marketplace capabilities, ensuring superior experiences for sellers and customers. Your role includes coding, debugging, optimizing, and monitoring app health, while mentoring junior engineers and collaborating with product and UX/UI teams. The team manages the Walmart MarketPlace Platform API, enabling 3rd party sellers to leverage services from Solution Partners. This growing business offers significant opportunities for tech innovation and professional growth in a collaborative and inclusive environment. About Team Join the innovative Walmart Marketplace Platform team, where creativity and technological innovation drive success. We specialize in enhancing Seller and Channel Partner Portal experiences and managing our advanced Marketplace API gateway. Our tech stack includes Java for backend services and ReactJS for frontend development, providing an exciting opportunity for growth and collaboration What You'll Do- Coding/Building: Engage in coding (75-80% of your time), perform code reviews, debug and optimize code, work independently, ensure code quality and follow best practices.
- Mentoring & Learning: Support team members through mentorship and participate in continuous learning opportunities.
- Architecture & Design: Stay informed about new technologies, make informed architectural choices, and maintain thorough documentation.
- Collaboration: Collaborate with various teams to enhance user experiences and ensure smooth integration.
- App Health, Quality, and Performance: Prioritize app quality, respond to feedback, improve performance, and address critical issues promptly.
- Tech Initiatives & Innovation: Contribute to technological advancements and innovation within the team.
- Time Management & Planning: Develop project timelines, manage tasks effectively, and practice efficient time management.
- Engineering Excellence: Focus on detail-oriented work, conduct code reviews, and resolve technical challenges.
- Leadership: Provide technical guidance, lead projects, and coordinate with other teams for successful outcomes.
- Proficiency in Java for backend services, including experience with Spring Boot.
- Experience with TypeScript and frontend frameworks such as React.
- Good understanding of RESTful APIs, system design, and microservices architecture.
- Proficiency with version control systems (e.g., Git) and CI/CD pipelines.
- Familiarity with databases (SQL and/or NoSQL) and caching solutions.
- 5+ years of full-stack development experience in complex software systems.
- Experience working in platform teams or building shared tools/frameworks for other developers.
- Proven ability to wr
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