(IND) STAFF, SOFTWARE ENGINEER
Confirmed on the employer's own hiring board on Nov 8, 2026. First seen by Alion on Nov 3, 2026. Walmart scores A on the Alion truth index.
Position Summary...
We are looking for a Staff Software Engineer to join our International Order Management & Fulfillment team. You'll design, build, and scale the backend systems that power the complete order life cycle - from order creation through fulfillment and delivery - across multiple international markets including Mexico (MX), Canada (CA), and other emerging geographies.This is a high-impact role where you'll work on large-scale, multi-market distributed systems that handle millions of transactions daily. You'll drive technical strategy, mentor engineers, and partner closely with product, architecture, and cross-functional teams to deliver world-class order management and fulfillment capabilities for Walmart International.
What you'll do...
About Team:
Our team collaborates with Walmart International, which has over 5,900 retail units operating outside of the United States under 55 banners in 26 countries including Africa, Argentina, Canada, Central America, Chile, China, India, Japan, and Mexico, to name a few.
What You'll Do
- Design and build highly scalable, resilient backend services for Order Management Systems (OMS) and Fulfillment Management Systems (FMS) serving multiple international markets (MX, CA, and beyond).
- Architect and implement multi-tenant / multi-market solutions that support locale-specific business rules, tax regulations, fulfillment models, and delivery SLAs across geographies.
- Lead the technical design of core order life cycle domains: order capture, orchestration, inventory reservation, fulfillment routing, shipping, and post-order flows (returns, cancellations, modifications).
- Build event-driven, microservices-based architectures using Java/Spring Boot, Kafka, and NoSQL databases to ensure high throughput and low latency at scale.
- Drive platform convergence efforts - unifying order and fulfillment platforms across markets to reduce duplication and accelerate speed-to-market for new geographies.
- Partner with Data Engineering and Data Science teams to enable AI/ML-driven capabilities such as intelligent order routing, demand forecasting integration, and anomaly detection in fulfillment pipelines.
- Champion engineering excellence: code quality, observability, testing strategies, CI/CD best practices, and production readiness.
- Mentor and grow engineers on the team through design reviews, pair programming, and technical leadership.
- Contribute to incident response and operational excellence for Tier-0/1 systems critical to Walmart International's ecommerce operations
What You'll Bring
- 10+ years of software engineering experience with a strong focus on backend development.
- Deep expertise in Java and Spring Boot ecosystem - Spring MVC, Spring Cloud, Spring Data, Spring Security.
- Strong experience with NoSQL databases (Cassandra, Cosmos DB, MongoDB, or similar) and understanding of data modeling trade-offs for high-scale systems.
- Hands-on experience with event-driven architectures using Apache Kafka, message queues, and asynchronous processing patterns (CQRS, Event Sourcing).
- Experience building and operating distributed systems at scale - microservices, API gateways, service mesh, container orchestration (Kubernetes/WCNP).
- Familiarity with relational databases (SQL Server, PostgreSQL, MySQL) and caching layers (Redis, Memcached).
- Experience supporting multi-market / multi-tenant platforms with locale-aware business logic, internationalization (i18n), and cross-border considerations.
- Strong understanding of cloud-native development on Azure or GCP - managed services, infrastructure as code (Terraform), CI/CD pipelines.
- Experience with AI/ML literacy and applications - understanding of how machine learning models are integrated into production systems, leveraging GenAI/LLM tools for developer productivity (e.g., code generation, automated testing, intelligent debugging), and staying current with AI-driven engineering practices.
- Exposure to observability stacks - Grafana, Splunk, Prometheus, distributed tracing (Jaeger/Zipkin).
- Experience with feature flagging, A/B testing, and progressive rollout strategies for multi-market deployments.
- Proficiency in system design, domain-driven design (DDD), and API design (REST, gRPC, GraphQL).
- Track record of leading technical initiatives, driving architecture decisions, and influencing without authority across teams.
Nice to Have
- Prior experience in Order Management, Fulfillment, Supply Chain, or eCommerce domain systems.
- Familiarity with OMS platforms (Sterling, custom-built) and fulfillment orchestration patterns.
- Contributions to open-source projects or technical community leadership.
Why Join Us
- Build systems that serve millions of customers across multiple countries - your code powers real commerce at massive scale.
- Work at the intersection of complex distributed systems and international business challenges - localization, compliance, cross-border logistics.
- Be part of a team that's converging and modernizing international OMS/FMS platforms, with greenfield opportunities to shape the next-gen architecture.
- Leverage cutting-edge AI and GenAI tools to accelerate development and drive innovation in how we build and operate software.
- Collaborate with world-class engineering talent across Walmart Global Tech in a culture that values ownership, curiosity, and continuous improvement.
About Walmart Global Tech
Imagine working in an environment where one line of code can make life easier for hundreds of millions of people. That’s what we do at Walmart Global Tech. We’re a team of software engineers, data scientists, cybersecurity expert's and service professionals within the world’s leading retailer who make an epic impact and are at the forefront of the next retail disruption. People are why we innovate, and people power our innovations. We are people-led and tech-empowered.
We train our team in the skillsets of the future and bring in experts like you to help us grow. We have roles for those chasing their first opportunity as well as those looking for the opportunity that will define their career. Here, you can kickstart a great career in tech, gain new skills and experience for virtually every industry, or leverage your expertise to innovate at scale, impact millions and reimagine the future of retail.
Flexible, hybrid work
We use a hybrid way of working with primary in office presence coupled with an optimal mix of virtual presence. We use our campuses to collaborate and be together in person, as business needs require and for development and networking opportunities. This approach helps us make quicker decisions, remove location barriers across our global team, be more flexible in our personal lives.
Benefits
Beyond our great compensation package, you can receive incentive awards for your performance. Other great perks include a host of best-in-class benefits maternity and parental leave, PTO, health benefits, and much more.
Belonging
We aim to create a culture where every associate feels valued for who they are, rooted in respect for the individual. Our goal is to foster a sense of belonging, to create opportunities for all our associates, customers and suppliers, and to be a Walmart for everyone.
At Walmart, our vision is "everyone included." By fostering a workplace culture where everyone is-and feels-included, everyone wins. Our associates and customers reflect the makeup of all 19 countries where we operate. By making Walmart a welcoming place where all people feel like they belong, we’re able to engage associates, strengthen our business, improve our ability to serve customers, and support the communities where we operate.
Equal Opportunity Employer
Walmart, Inc., is an Equal Opportunities Employer - By Choice. We believe we are best equipped to help our associates, customers and the communities we serve live better when we really know them. That means understanding, respecting and valuing unique styles, experiences, identities, ideas and opinions - while being inclusive of all people.
Minimum Qualifications...
Outlined below are the required minimum qualifications for this position. If none are listed, there are no minimum qualifications.
Minimum Qualifications:Option 1: Bachelor's degree in computer science, computer engineering, computer information systems, software engineering, or related area and 4 years’ experience in software engineering or related area.Option 2: 6 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 2 years' experience in software engineering or related area