Senior, Software Engineer - Python

What you'll do... Walmart’s Marketing Technology Engineering Team aims to build tools and technologies that will enable Marketers to send highly Personalized Marketing communication to our customers. This team is part of the Marketing Services Core organization .

As part of this team, you will be building highly scalable and reliable APIs, services and data pipelines which will drive the next generation of Marketing Communications. You’ll independently handle high impact, critical software/systems monitoring issues, troubleshoot business and production issues. As a member of this Rockstar team, you’ll be able to say that you work for the world’s largest retailer and contribute to innovation and development to best-in-class methodologies that impacted perception and drastically changed business as we know it.

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 innovative features while ensuring security and performance. Your contributions will drive continuous improvement and operational excellence, supporting Walmart’s commitment to delivering value through technology and innovation.

About the team: The team develops a scalable, multi-tenant platform supporting Walmart U.S., International, Sam’s Club, and B2B operations. It creates autonomous AI-driven content systems for marketing across multiple channels, ensuring enterprise-grade governance and compliance. The group designs metadata-first, event-driven services for asset tracking and auditability, enabling seamless integration with internal and external solutions.

Continuous feedback loops improve AI model quality and platform reliability. Collaborating with product, design, legal, and business teams, the team delivers secure, extensible systems that enhance consistency, speed, and innovation across Walmart’s global marketing operations.

• Analyze and classify requirements, ensuring alignment with business objectives and technical needs.
• Design scalable software solutions, applying architecture principles and design patterns.
• Develop, test, and maintain high-quality, secure, and maintainable code using appropriate languages and frameworks.
• Conduct code reviews and implement telemetry features to monitor application performance.
• Collaborate with stakeholders to identify risks and recommend corrective actions during development.
• Automate repetitive tasks within CI/CD pipelines to enhance delivery efficiency.
• Troubleshoot defects and optimize system performance through root cause analysis.
• Support continuous improvement by adopting emerging tools and technologies.

• Bachelor’s Degree in Computer Science or related field and 5-7 years or master’s degree in Computer Science or related field and 3-5 years of experience building scalable ecommerce applications
• Proven expertise in software architecture, scalable distributed systems, and design patterns.
• Strong proficiency in object-oriented programming and coding standards across multiple languages such as JavaScript and Python.
• Experience with continuous integration and continuous delivery (CI/CD) pipelines, automation scripting, and telemetry implementation.
• Ability to analyze and translate business requirements into detailed technical designs and user stories.
• Skilled in debugging, defect management, and root cause analysis to ensure high-quality deliverables.
• Knowledge of secure coding practices and software development lifecycle (SDLC) methodologies.
• Demonstrated problem-solving skills and technical acumen in iterative development environments.

• Designed, built, and maintained APIs, services of highly scalable platforms.
• Designed and built video streaming applications, with real time video analytics.
• Worked extensively with Kafka or other high volume-low latency messaging infrastructure and built real time and batch data driven applications
• Extensive knowledge of open-source libraries, design patterns and micro-service architecture. Familiarity with CI/CD and unit testing
• Experience in production system operations (logging, telemetry, alerting etc.)
• The keen eyes for detail and desire to learn, win, collaborate, and relish a challenge.
• Knowledge and/or experience in Data mining, Machine Learning, Image and Video Processing

The annual salary range for this position is $117,000.00 - $234,000.00

Additional compensation includes annual or quarterly performance bonuses.

Option 1: Bachelor's degree in computer science, computer engineering, computer information systems, software engineering, or related area and 3 years’ experience in software engineering or related area. Option 2: 5 years’ experience in software engineering or related area.

Master’s degree in Computer Science, Computer Engineering, Computer Information Systems, Software Engineering, or related area and 1 year's experience in software engineering or related area., We value candidates with a background in creating inclusive digital experiences, demonstrating knowledge in implementing Web Content Accessibility Guidelines (WCAG) 2.2 AA standards, assistive technologies, and integrating digital accessibility seamlessly.

The ideal candidate would have knowledge of accessibility best practices and join us as we continue to create accessible products and services following Walmart’s accessibility standards and guidelines for supporting an inclusive culture.

1345 Crossman Ave, Sunnyvale, CA 94089-1114, United States of America