Principal Software Engineer – Backend

Walmart

. Lead platform engineering efforts to deliver scalable, cloud-native infrastructure and reusable tooling aligned with strategic roadmaps.

Posted 5/14/2026full-timeSunnyvale • California • 🇺🇸 United StatesLead💰 $143,000 - $286,000 per yearWebsite

Tech Stack

Tools & technologies

CloudJavaPython

About the role

Key responsibilities & impact

Lead platform engineering efforts to deliver scalable, cloud-native infrastructure and reusable tooling aligned with strategic roadmaps.
Drive full software development lifecycle management, including design, testing, deployment, and maintenance across multiple teams.
Architect and implement AI-enhanced applications and intelligent systems supporting millions of users.
Provide technical leadership and mentorship, promoting engineering excellence and standardization across teams.
Collaborate with stakeholders to translate business needs into actionable technical requirements and measurable success metrics.
Ensure high system availability, scalability, and fault tolerance through sound architectural decisions.
Foster continuous improvement by integrating feedback, adopting new technologies, and optimizing processes.

Requirements

What you’ll need

10+ years of extensive experience in platform engineering leadership, delivering scalable, cloud-native architectures and reusable tooling.
Proven ability to lead full software development lifecycles, including design, testing, deployment, and maintenance.
Expertise in AI/ML integration and building intelligent software systems using languages such as Python, Java, and C++.
Strong skills in technical solution design, debugging, and requirements analysis.
Demonstrated capability in mentoring engineers and influencing architectural decisions.
Proficiency with API design, cloud computing architecture, and model-driven design methodologies.
Excellent problem-solving, collaboration, and communication skills across technical and non-technical stakeholders.

Benefits

Comp & perks

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, company discounts, Military Leave Pay, adoption and surrogacy expense reimbursement, and more.
You will also receive PTO and/or PPTO that can be used for vacation, sick leave, holidays, or other purposes.
Live Better U is a Walmart-paid education benefit program for full-time and part-time associates in Walmart and Sam's Club facilities.

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Hard Skills & Tools

platform engineeringcloud-native architectureAI integrationmachine learningPythonJavaC++API designmodel-driven designsoftware development lifecycle

Soft Skills

technical leadershipmentorshipproblem-solvingcollaborationcommunicationrequirements analysisinfluencing architectural decisionscontinuous improvementengineering excellencestakeholder engagement