Senior, Software Engineer

Position Summary

We are looking for an Operational Lead who will solve critical problems for the Global Integrated Fulfillment application Production Support function. This function provides software solutions to Walmart associates for picking and dispensing while serving customers across the chain of stores. The role is part of a team with rotational shifts to provide 24/7 support.

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

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 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 bases, 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

Backend & Application Development

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

Cloud & Infrastructure

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

Data & Messaging

• Messaging systems (Kafka)
• Strong database skills (MSSQL, SQL queries, stored procedures)
• Experience with No
  
  SQL databases (e.g., Azure Cosmos DB, key‑value stores)

Monitoring & Observability

• Hands‑on experience with Splunk, Dynatrace, or similar APM tools
• Expertise…