Senior Software Engineer - Backend

Senior Software Engineer, Backend – Walmart Global Tech

Join Walmart Global Tech as a Senior Software Engineer, Backend to build and enhance scalable systems that power seamless digital experiences for millions of customers worldwide. You will work across diverse systems and domains, contributing to the design and development of critical backend services supporting Walmart’s digital ecosystem, from checkout and fulfillment to user engagement journeys.

Our team works closely with our US stores and Walmart Health and Wellness business to better serve customers by empowering team members, pharmacies, and clinics with technological innovation. From pharmacies and clinics to mobile features, Walmart Health and Wellness offers an extensive selection that our customers and patients value, whether they meet with clinicians online at , through one of our mobile apps, or in-store.

• Architect, design, and develop scalable backend services and APIs to support complex digital experiences.
• Collaborate with cross-functional teams across domains, including product, frontend, data, and UX teams, to design solutions that enhance the customer journey.
• Lead technical initiatives, including solution architecture, performance tuning, and system scalability enhancements.
• Optimize application performance and ensure high code quality.
• Mentor junior engineers and drive knowledge sharing within the team.
• Advocate for best practices in services architecture, security, and testing.
• Implement and maintain secure, high-performance, and fault‑tolerant distributed systems.
• Develop reusable frameworks and components for backend service integrations.
• Maintain high code quality through automated testing, continuous integration, and code reviews.
• Troubleshoot and resolve production issues across complex services.
• Build scalable and reliable systems that handle large volumes of traffic and data.
• Write clean, efficient, and maintainable code while following engineering best practices.
• Debug and troubleshoot issues in distributed systems across environments.
• Contribute to performance optimization, security improvements, and system resilience.
• Participate in code reviews and provide constructive feedback to peers.

• 6 to 9 years of total experience, including 5+ years in backend engineering platform development.
• 5+ years of experience in Java technologies, distributed systems, and large‑scale application development and design.
• Hands‑on experience with Spring Boot, REST, Kafka, Cassandra.
• Experience with containerization technology and microservices.
• Well‑versed in CI/CD, Dev Ops practices, and monitoring tools.
• Strong knowledge of Java, multithreading, data structures, algorithms, and design patterns.
• Strong adherence to SDLC process and Scrum/agile methodologies.
• Preferred:
  Bachelor’s degree in computer science, computer engineering, or related area.
• Preferred:
  Master’s degree in Computer Science or related area.
• Preferred:
  Experience with Web Content Accessibility Guidelines (WCAG) 2.2 AA standards and digital accessibility.

Competitive base salary plus performance‑based bonus awards. Benefits include 401(k) match, stock purchase plan, paid maternity and parental leave, PTO, multiple health plans, short‑term and long‑term disability, company discounts, and a Walmart‑paid education benefit program. Additional benefits may be subject to eligibility and plan terms.

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.