Principal Software Engineer
Walmart
About the role
What you'll do...
Position: Principal Software Engineer
Job Location: 1375 Crossman Avenue, Sunnyvale, CA 94089
Duties: Drive the design, development, and deployment of complex, distributed enterprise applications using Java. Architect scalable and secure software systems, ensuring alignment with business goals. Develop and maintain the technical architecture, adhering to best practices and coding standards. Foster a culture of learning and innovation through mentorship and technical guidance. Design and develop robust, maintainable, and efficient backend and UI components. Champion high-quality software through unit testing, code reviews, and continuous integration. Uphold high standards in quality and operational excellence. Collaborate with cross-functional teams (product, design, QA, and DevOps) to define project scope, milestones, and technical roadmaps. Effectively communicate complex technical concepts to both technical and non-technical stakeholders. Guide and mentor a team of engineers, including conducting code reviews and leading design discussions. Act as a technical authority, including providing direction and expertise. Develop service contracts for RESTful web services using industry standards such as Swagger and OpenAPI. Design and implement web service applications utilizing Java, JSON, REST, and the Spring Framework. Drive the architecture for low-latency and high-scale event driven systems.
Minimum education and experience required: Master's degree or equivalent in Computer Science, Computer Engineering, Computer Information Systems, Software Engineering, Information Technology Management, or related area and 3 years of experience in software engineering or related area; OR Bachelor's degree or equivalent in Computer Science, Computer Engineering, Computer Information Systems, Software Engineering, Information Technology Management, or related area and 5 years of experience in software engineering or related area.
Skills required: Experience defining Service Contracts for REST Web Services (micro-service) using tools including Swagger and OpenAPI. Experience designing and implementing web service applications using tools including Java, JSON, REST, and Spring Framework. Experience designing and constructing scalable distributed enterprise applications using Java. Experience building and deploying applications with Container Technologies including Docker and Kubernetes. Experience designing and developing event-driven microservices using asynchronous technology Kafka. Experience setting up CI/CD pipelines automation using Git, Maven, and Jenkins. Experience designing and constructing well-defined table schemas for SQL databases including Oracle and Postgres. Experience with Splunk and Grafana for logging and monitoring production systems. Experience ensuring application quality and scalability, including developing and executing tests (using JUnit) to guarantee application quality, performance, and scalability. Employer will accept any amount of experience with the required skills.
Salary Range: $255,653/year to $286,000/year. Additional compensation includes annual or quarterly performance incentives.
Benefits: At Walmart, we offer competitive pay as well as performance-based incentive 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, education assistance with 100% company paid college degrees, company discounts, military service pay, adoption expense reimbursement, and more.
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.com.
Wal-Mart is an Equal Opportunity Employer.
#LI-DNI #LI-DNP
Walmart and its subsidiaries are committed to maintaining a drug-free workplace and has 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.
Responsibilities
- Design, develop, and deploy complex distributed applications and scalable software systems using Java.
- Lead architecture for secure, high-scale, low-latency, event-driven systems and microservices.
- Develop backend and UI components, REST web services, and service contracts using Java, Spring, JSON, Swagger, and OpenAPI.
- Ensure software quality and operational excellence through testing, code reviews, and continuous integration.
- Collaborate with cross-functional teams to define project scope, milestones, and technical roadmaps.
- Mentor engineers, lead design discussions, and provide technical direction.
Qualifications
- Master's degree or equivalent in a related field and 3 years of software engineering experience, or a bachelor's degree or equivalent and 5 years of experience.
- Experience designing REST web service contracts and applications using Swagger, OpenAPI, Java, JSON, and Spring.
- Experience building distributed Java applications and event-driven microservices using Kafka.
- Experience with Docker, Kubernetes, Git, Maven, Jenkins, SQL databases, Splunk, Grafana, and JUnit.
Benefits
- Medical, vision, and dental coverage
- 401(k), stock purchase plan, and company-paid life insurance
- Paid time off, sick leave, parental leave, and family care leave
- Disability coverage and education assistance, including company-paid college degrees
- Company discounts, military service pay, and adoption expense reimbursement
- Performance-based incentive awards
Skills mentioned
About Walmart
More than 60 years ago, Sam Walton opened the first Walmart in Rogers, Arkansas. Today, we’re a people-led, tech-powered omnichannel retailer dedicated to helping people save money and live better all around the world. Our 2.1 million associates are the engine behind what we do — serving customers and members in communities spanning 19 countries, in stores and clubs, online and through a supply chain built for speed and scale. We’re committed to creating clear pathways for associates to learn, grow and advance. Whether you’re starting your first job or bringing years of experience, you’ll find room to grow, learn new skills and build a career with purpose. We’re proud to invest in our people and foster a culture grounded in respect, integrity, service and striving for excellence. Recognized as a Fortune 100 Best Companies to Work For® (2025) and Great Place To Work®-Certified™ , we’re proud of what we’re building together.