Software Engineer III - Mainframe

Position Summary

The (USA) Software Engineer III will play a critical role in designing, developing, and maintaining scalable software solutions that align with business and technical requirements. This position requires expertise in coding standards, testing, and continuous integration to ensure high-quality, secure, and efficient applications. The role involves collaborating with stakeholders to analyze requirements, troubleshoot issues, and implement improvements while adhering to project timelines.

The ideal candidate demonstrates strong problem‑solving skills, technical acumen, and a commitment to delivering robust software components within an agile development environment.

Immigration sponsorship is not available for this role

This is a full‑time, onsite role at our Bentonville, AR office. This position is not eligible for remote work.

The Fulfillment Team at Walmart Health & Wellness drives innovation in pharmacy fulfillment by building scalable, secure, and automated systems using event‑driven architecture. As part of Walmart’s Global Tech, the team collaborates across functions to design and deliver reliable, high‑quality features that enhance operational efficiency and compliance. Emphasizing technical expertise, iterative development, and problem solving, team members contribute to advancing healthcare delivery solutions aligned with Walmart’s commitment to exceptional services.

The team values continuous improvement and strong technical acumen to achieve impactful results in healthcare technology.

• Analyze and scope business and technical requirements to support solution design and development.
• Develop, configure, and maintain software components ensuring scalability, availability, and security compliance.
• Create and execute test cases to validate functionality and identify defects, supporting continuous integration and delivery.
• Build automation scripts to streamline repetitive tasks and enhance development efficiency.
• Monitor application performance using telemetry and debugging tools to troubleshoot and resolve issues.
• Collaborate with stakeholders to align development efforts with business objectives and technical standards.
• Mentor team members by sharing expertise and promoting best practices in coding and testing.

• Comprehensive knowledge of JAVA, Spring, Spring Boot, .NET Framework, .NET Core, and Agile methodologies.
• Strong experience in RESTful Microservices and developing applications using Java version 8 (or later) or .NET Core.
• Strong API design, development, and management experience.
• Hands‑on experience with Dev Ops tools, CI/CD pipelines, Terraform, Kubernetes, Docker.
• Software performance optimization experience (container sizing, memory usage, CPU, scaling, etc).
• Experience with third‑party libraries, APIs and other open‑source technologies.
• Experience with SQL and No
  
  SQL databases and writing complex queries as per the business requirements.
• Experience working with event‑driven architecture and Kafka messaging.
• Familiar with public cloud technologies in Microsoft Azure and Google Cloud Platform.

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

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…