Full Stack Software Developer Contract Jobs in Missouri

Position Summary... 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.
Role summary:
We are looking for a Senior Software Engineer Full Stack 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 Spark Shoppers for Picking and Delivering our customers orders. This role would be part of a team with rotational shifts in order to provide 24/7 support.
 
About the team:
We are looking for a highly skilled Senior Software Engineer Full Stack 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
• 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
• 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

 
What you'll bring:

• 5+ Years of Full Stack Software Development
• 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 and production troubleshooting

 
At Walmart, we offer competitive pay as well as performance-based bonus awards and other great benefits for a happier mind, body, and wallet. Health benefits include medical, vision and 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. You will also receive PTO and/or PPTO that can be used for vacation, sick leave, holidays, or other purposes. The amount you receive depends on your job classification and length of employment. It will meet or exceed the requirements of paid sick leave laws, where applicable. For information about PTO, see https://one.walmart.com/notices. Live Better U is a 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.
Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to a specific plan or program terms.
For information about benefits and eligibility, see One.Walmart.
The annual salary range for this position is $90,000.00 - $180,000.00 Additional compensation includes annual or quarterly performance bonuses. Additional compensation for certain positions may also include :
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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 Walmart and its subsidiaries are committed to maintaining a drug-free workplace and has a no tolerance policy regarding the use of illegal drugs and alcohol on the job. This policy applies to all employees and aims to create a safe and productive work environment.