Senior, Software Engineer

Walmart is building scalable, high-performance payment capabilities through its Walmart Pay organization, supporting millions of transactions across in-store and digital experiences. In this onsite role in Sunnyvale, CA, you will lead delivery of scoped software features and models through collaborative teams, while aligning technical work with platform and business objectives, including AI and ML integrations.

The Senior Software Engineer role focuses on end-to-end execution, from solution design and implementation to testing, observability, and ongoing improvement. You will also contribute to code quality through reviews and defect management, and help raise engineering standards through mentorship and knowledge sharing.

What you’ll do

• Own delivery of scoped features and components through collaborative engineering teams, ensuring alignment with platform and system objectives.
• Write clean, efficient, and maintainable code across multiple languages, driving the full SDLC including CI/CD and automated testing.
• Integrate AI and ML components to enhance software intelligence and development innovation.
• Participate in solution design, evaluating trade-offs and ensuring scalable, secure, and maintainable systems.
• Conduct code reviews, debugging, and defect management to maintain high-quality software.
• Collaborate with stakeholders to translate business needs into technical requirements and measurable outcomes.
• Monitor application performance and support continuous improvement through proactive testing and observability.
• Mentor peers and contribute to engineering best practices and knowledge sharing.

What you’ll bring

• Extensive experience in software development with proficiency in languages like NodeJS and Java.
• Strong expertise in object-oriented programming and documentation-based coding practices.
• Proven ability to deliver scoped features and manage the full software development lifecycle including CI/CD and automated testing.
• Skilled in code review, debugging, and continuous development to ensure high-quality, maintainable software.
• Experience integrating AI/ML components and leveraging generative AI tools to enhance development efficiency.
• Demonstrated technical judgment in designing scalable, secure solutions aligned with business goals.
• Effective collaboration and communication skills across cross-functional teams.
• Commitment to continuous learning, mentorship, and driving engineering excellence.

Team context

• The Walmart Pay team within Omni Financial Services engineers secure, resilient, and high-performance payment solutions managing millions of transactions across Walmart’s in-store and digital channels.
• The team delivers reliable software through collaborative engineering and continuous improvement to drive financial access and checkout innovation.
• Emphasis is placed on scalable platform design, iterative development, and technical excellence, with accountability and knowledge sharing as core expectations.
• Clear communication, problem solving, and impactful solution delivery support customer experiences across multiple channels, with a commitment to quality and innovation.

Technologies

• NodeJS
• Java
• AI
• ML
• Generative AI
• CI/CD

Minimum qualifications

• 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.

Preferred qualifications

• 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.
• Background in creating inclusive digital experiences, including knowledge of implementing Web Content Accessibility Guidelines (WCAG) 2.2 AA standards, assistive technologies, and integrating digital accessibility.
• Knowledge of accessibility best practices and alignment with Walmart’s accessibility standards and guidelines to support an inclusive culture.

Benefits

• Incentive awards for performance
• 401(k) match
• Stock purchase plan
• Paid maternity and parental leave
• PTO
• Multiple health plans
• Annual or quarterly performance bonuses
• Stock
• Health benefits including medical, vision and dental coverage
• Paid time off benefits including PTO (including sick leave), parental leave, family care leave, bereavement, jury duty, and voting
• Short-term and long-term disability
• Company discounts
• Military Leave Pay
• Adoption and surrogacy expense reimbursement
• Live Better U (Walmart-paid education benefit program)

Location: Sunnyvale, CA (onsite). Primary address: 1395 Crossman Ave, Sunnyvale, CA 94089-1114, United States of America.

Compensation: USD 117,000 - 234,000 per year.

Note: Immigration sponsorship is not available for this position.