(USA) Senior, Software Engineer - Back End

Position Summary

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.

What you'll do

• 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.

We are looking for a highly skilled Senior Software Engineer to support and enhance mission-critical systems powering Online Fulfillment, including Pickup and Delivery workflows. This role blends software engineering and production support, with a strong focus on system reliability, scalability, and customer experience.

You will play a key role in ensuring seamless order processing, real-time inventory accuracy, and last-mile delivery execution by proactively identifying risks, resolving production issues, and building automation to prevent recurrence.

What you'll do

• 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

What you'll bring

• 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 / DevOps 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

Technical Skills & Technologies

Backend & Application Development

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

Cloud & Infrastructure

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

Data & Messaging

• Messaging systems (Kafka)
• Strong database skills (MSSQL, SQL queries, stored procedures)
• Experience with NoSQL databases (e.g., Azure Cosmos DB, key-value stores)

Monitoring & Observability

• Hands-on experience with Splunk, Dynatrace, or similar APM tools
• Expertise in logging, tracing, and alerting frameworks

Networking & Systems

• Solid understanding of TCP/IP, HTTP, DNS, load balancing, distributed systems

Automation & Tools

• Experience building automation scripts/tools to improve operational efficiency
• Familiarity with CI/CD pipelines and release management processes

Nice to Have

• Experience in Online Fulfillment / Retail / Last-Mile Delivery systems
• Knowledge of order lifecycle systems, inventory, and dispatch optimization
• Exposure to SRE principles (SLIs, SLOs, error budgets)
• Experience with chaos engineering or resilience testing

Benefits

Beyond our great compensation package, you can receive incentive awards for your performance. Other great perks include 401(k) match, stock purchase plan, paid maternity and parental leave, PTO, multiple health plans, and much more.

Minimum Qualifications

• Outlined below are the required minimum qualifications for this position. If none are listed, there are no 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

Outlined below are the optional preferred qualifications for this position. If none are listed, there are no 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., 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.

Primary Location

2608 Se J St, Bentonville, AR 72716-3724, United States of America