Senior, Software Engineer

Position Summary

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

• Support and enhance mission‑critical systems powering Online Fulfillment, including Pickup and Delivery workflows.
• 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 and drive resolution with urgency.
• 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.
• 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
  :
  Kafka; strong database skills (MSSQL, SQL, stored procedures).
  
  Experience with No
  
  SQL databases such as Azure Cosmos DB.
• Monitoring & Observability
  :
  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; familiarity with CI/CD pipelines and release management.

• 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.