Staff, Software Engineer

Position Summary...

What you'll do...

We are seeking a Staff Software Engineer to serve as a technical leader, driving the design, development, and scaling of backend systems that power Walmart’s digital and in-store experiences. The ideal candidate is a hands-on engineer with deep expertise in Java and Spring, extensive experience with cloud platforms such as Azure or GCP, and a strong background in microservices architecture. About Team:  You’ll join the International Point of Sale (POS) team, a group responsible for delivering robust and innovative checkout solutions to Walmart’s international markets. Our team supports over 4,000 retail units across a diverse set of countries, including Canada, Central America, Chile, Mexico, and South Africa, among others. We enable seamless and secure transactions for millions of customers by building and maintaining scalable POS platforms tailored to the unique requirements of each market. As part of this team, you will collaborate with global engineering, product, and business stakeholders to drive the evolution of our checkout technology, ensuring reliability, compliance, and a world-class customer experience in every region we serve. What you'll do: 

• Architect, design, and implement scalable, resilient, and high-performance backend systems using Java and Spring Boot.
• Lead the end-to-end development lifecycle: requirements gathering, design, implementation, testing, deployment, and support.
• Design and build RESTful APIs, ensuring best practices for security, versioning, and documentation.
• Work with SQL and NoSQL databases, optimizing data models and queries for performance and scalability.
• Integrate with cloud platforms (Azure, or GCP), leveraging containerization (Docker) and orchestration (Kubernetes).
• Champion CI/CD, automated testing, and DevOps practices to ensure rapid, reliable delivery.
• Mentor and guide junior and senior engineers, fostering a culture of technical excellence and continuous learning.
• Collaborate with product managers, architects, and other stakeholders to deliver business value.
• Ensure code quality through code reviews, static analysis, and adherence to best practices.
• Drive observability, monitoring, and incident response for backend services.

   What you'll bring: 

• 10+ years of experience in backend software Java development and microservices architecture.
• Deep expertise in Spring Boot and related frameworks.
• Proven experience designing and building RESTful APIs.
• Experience designing and testing RDBMS and NoSQL databases
• Experience with distributed systems, messaging (Kafka), and event-driven architectures.
• Deep knowledge with cloud platforms, containerization, and orchestration tools.
• Experience writing unit test cases for code verification and code coverage.
• Experience monitoring logs and errors for troubleshooting.
• Experience maintaining a producer/consumer architecture with Apache Kafka.
• Experience with public cloud technologies such as Azure or Google Cloud Platform.
• Advanced knowledge of complex software design, distributed system design, design patterns, data structures, and algorithms.
• Experience with CI/CD pipelines and DevOps practices.
• Excellent problem-solving, communication, and leadership skills.

About Walmart Global Tech 
Imagine working in an environment where one line of code can make life easier for hundreds of millions of people. That’s what we do at Walmart Global Tech. We’re a team of software engineers, data scientists, cybersecurity experts and service professionals within the world’s leading retailers who make an epic impact and are at the forefront of the next retail disruption. People are why we innovate, and people power our innovations. We are people-led and tech-empowered. We train our team in the skillsets of the future and bring in experts like you to help us grow. We have roles for those chasing their first opportunity as well as those looking for the opportunity that will define their career. Here, you can kickstart a great career in tech, gain new skills and experience for virtually every industry, or leverage your expertise to innovate on a scale that impacts millions and reimagine the future of retail.   
Benefits: 
Beyond our great compensation package, you can receive incentive awards for your performance. Other great perks