Senior, Software Engineer

Position Summary...

What you'll do...

Role summary:

As a Senior Software Engineer at Walmart, you will lead the design, development, and delivery of scalable software solutions that align with business objectives. This role requires expertise in software architecture, coding standards, and agile methodologies to create maintainable, high-quality components. You will collaborate with cross-functional teams to analyze requirements, address technical challenges, and implement continuous integration and deployment practices. Your contributions will support innovation and operational excellence, ensuring robust, secure, and efficient applications that meet evolving customer and business needs within a dynamic technology environment.

About the team:

The Walmart Notification Platform (WNP), internally known as Sumo, delivers real-time push notifications to store associates across various devices, supporting key applications like GIF, CINE, and Me plays a vital role in enabling fast, actionable communication for daily operations in stores, clubs, and distribution centers across multiple countries. The team is focused on building a unified notification center to provide consistent, timely information enterprise-wide.

WNP handles approximately 70 million messages daily and supports strategic initiatives to enhance communication and simplify associate experiences across Walmart's ecosystem.

What you'll do:

* Analyze and classify requirements to align with business and technical objectives, ensuring comprehensive solution scoping and risk assessment.

* Design scalable, maintainable software components by translating high-level designs into detailed functional logic and mock-ups.

* Develop and configure code adhering to standards, focusing on quality, security, and performance across platforms and frameworks.

* Conduct thorough testing, including test case creation and defect analysis, to ensure robust and reliable software delivery.

* Monitor application performance and troubleshoot issues, implementing continuous integration and deployment practices.

* Collaborate with stakeholders to deliver solutions that meet evolving business needs and technical requirements.

What you'll bring:

* Deep expertise in software architecture and design, with a strong grasp of design patterns, scalability principles, and distributed, event‑driven systems, including messaging and streaming platforms such as Apache Kafka.

* Advanced proficiency in object‑oriented programming, following clean coding standards across multiple languages, including Java, JavaScript, and Python, with a focus on building maintainable, high‑performance services.

* Hands‑on experience designing and building Kafka‑based solutions, including producers, consumers, stream processing, and integration with Java microservices to enable reliable, scalable data pipelines.

* Strong experience with CI/CD pipelines and automation, implementing build, test, and deployment workflows to support rapid, reliable delivery of distributed applications.

* Proven ability to translate business requirements into technical solutions, delivering clear architecture designs, detailed technical specifications, and well‑defined user stories aligned with business priorities.

* Expertise in debugging, defect management, and root cause analysis, proactively identifying systemic issues and driving improvements in code quality and system reliability.

* Solid understanding of telemetry, security policies, and software maintenance best practices, ensuring observability, compliance, and long‑term sustainability of production systems.

* A delivery‑focused, problem‑solving mindset, balancing technical excellence with business impact while mentoring others and driving initiatives to successful outcomes.

At Walmart, we offer competitive pay as well as performance-based bonus 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…