Senior, Software Engineer (partner engineer or solution engineer))

About the role

We are looking for a highly technical and customer‑focused Senior Partner Engineer (also known as a Solutions Engineer) to help external developers successfully integrate with the Walmart Marketplace API ecosystem. This role requires a strong engineering foundation, hands‑on coding abilities, and the business/product acumen needed to work effectively across engineering, product, and business teams. You will guide partners through onboarding, integration, optimization, and long‑term success while contributing directly to platform improvements that drive API adoption and partner satisfaction. Immigration Sponsorship support will NOT be available for this position.

Responsibilities

• Work directly with external developers, solution providers, and partners to guide them through integrating with the Walmart Marketplace API ecosystem
• Troubleshoot integration issues, debug API requests/responses, and provide hands-on technical guidance
• Provide architectural recommendations, best practices, and reference implementations to help partners build reliable, scalable integrations
• Optimize partner resource utilization (compute efficiency, rate limits, data usage, etc.) to ensure performant and cost-effective integration
• Develop tools, dashboards, and metrics to monitor integration health, API usage, error patterns, and adoption trends
• Identify systemic integration gaps and work with engineering and product teams to address them
• Build automation and diagnostics to proactively surface developer friction points or API contract inconsistencies
• Collaborate with Marketplace core engineering teams to design foundational systems, SDKs, and integration patterns that improve API adoption and developer experience
• Provide real-world