(USA) Senior, Software Engineer

Walmart•Bentonville, AR

2d•Onsite

About The Position

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.

Requirements

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
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)
Strong database skills (MSSQL, SQL queries, stored procedures)
Experience with NoSQL databases (e.g., Azure Cosmos DB, key-value stores)
Hands-on experience with Splunk, Dynatrace, or similar APM tools
Expertise in logging, tracing, and alerting frameworks
Solid understanding of TCP/IP, HTTP, DNS, load balancing, distributed systems
Experience building automation scripts/tools to improve operational efficiency
Familiarity with CI/CD pipelines and release management processes
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.

Nice To Haves

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
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.
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.
Knowledge of accessibility best practices and joining in creating accessible products and services following Walmart’s accessibility standards and guidelines for supporting an inclusive culture.

Responsibilities

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

Benefits

Incentive awards for performance
401(k) match
Stock purchase plan
Paid maternity and parental leave
PTO
Multiple health plans
Medical coverage
Vision coverage
Dental coverage
Financial benefits include 401(k), stock purchase and company-paid life insurance.
Paid time off benefits include PTO (including sick leave), parental leave, family care leave, bereavement, jury duty, and voting.
Other benefits include short-term and long-term disability, company discounts, Military Leave Pay, adoption and surrogacy expense reimbursement, and more.
PTO and/or PPTO that can be used for vacation, sick leave, holidays, or other purposes.
Walmart-paid education benefit program for full-time and part-time associates in Walmart and Sam's Club facilities. Programs range from high school completion to bachelor's degrees, including English Language Learning and short-form certificates. Tuition, books, and fees are completely paid for by Walmart.