Senior, Software Engineer - Back End

We are looking for Operational Lead who will be required to solve critical problems for Global Integrated Fulfillment application Production Support function. This Global Integrated Fulfillment function provides software solutions to Walmart associates for Picking and Dispense while serving our customers across chain of stores. This role would be part of a team with rotational shifts in order to provide 24/7 support.

Immigration sponsorship is not available for this role. Applicants must be authorized to work for any employer in the United States without current or future visa sponsorship. This is a full-time, onsite role at our Bentonville, AR office. This position is not eligible for remote work.

• Ensure high availability of fulfillment systems supporting pickup and delivery
• Reduce order failures, delays, and customer-impacting issues
• Improve operational efficiency through automation and proactive monitoring
• Enable seamless coordination between systems handling orders, inventory, and last-mile delivery
• Own L2/L3 production support for online fulfillment systems, including order management, pickup, and delivery workflows
• Act as the technical escalation point for critical incidents, driving resolution with urgency and clear stakeholder communication
• Perform deep root cause analysis (RCA) and partner with engineering teams to implement permanent fixes
• Analyze production issues at code, infrastructure, and data levels to identify failure patterns and systemic gaps
• Build and enhance monitoring, alerting, and observability solutions to detect issues before customer impact
• Design and develop automation tools and scripts to reduce manual intervention and improve operational efficiency
• Support high-availability systems, ensuring minimal downtime and rapid recovery (low MTTR)
• Participate in on-call rotations and handle high-severity incidents in a fast-paced environment
• Collaborate with product, engineering, and operations teams to improve end-to-end fulfillment reliability and customer experience
• Support production releases, including code deployments, configuration changes, and validation in production and staging environments
• Maintain and continuously improve runbooks, knowledge base, and support documentation
• Drive continuous improvement initiatives to reduce incident volume and improve system resilience
• Contribute to architecture and design discussions, especially around reliability, scalability, and supportability

Strong problem-solving skills with the ability to debug complex distributed systems under pressure. Ability to anticipate failure scenarios and proactively implement preventive solutions. Excellent communication skills to work effectively with cross-functional and global teams. High ownership mindset with the ability to balance support and development responsibilities. Strong focus on customer experience, system uptime, and operational excellence. 8–10+ years of experience in software engineering with strong exposure to production support / SRE / Dev Ops environments.

Proven experience supporting high-scale, customer-facing applications, preferably in eCommerce or fulfillment domains. Hands‑on expertise in incident management, RCA, and production troubleshooting. Strong coding skills with the ability to debug and fix issues at source code level. Experience working in agile, fast-paced, and globally distributed teams.

• Strong programming skills in Java (preferred) or Python
• Experience with Spring Boot/microservices architecture

• Cloud platforms (Microsoft Azure preferred)
• Containers (Docker) and orchestration (Kubernetes)

• Messaging systems (Kafka)