Staff, Software Engineer
Walmart · Posted Oct 27
Retail, e-commerce, grocery, pharmacy, and membership warehouse services
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About the role
The team collaborates with Walmart International, which operates over 5,900 retail units under 55 banners in 26 countries, to build the order and fulfillment platforms that power international ecommerce. This staff engineering role designs and leads highly scalable, event-driven microservices in Java/Spring Boot, Kafka, and NoSQL databases for Order Management and Fulfillment Management Systems across markets such as Mexico and Canada. The engineer drives multi-tenant, multi-market architecture, platform convergence, AI/ML-enabled fulfillment capabilities, and technical mentorship for Tier-0/1 systems.
What you will do
- Drives the execution of multiple business plans and projects by identifying customer and operational needs; developing and communicating business plans and priorities; removing barriers and obstacles that impact performance; providing resources; identifying performance standards; measuring progress and adjusting performance accordingly; developing contingency plans; and demonstrating adaptability and supporting continuous learning. Provides supervision and development opportunities for associates by selecting and training; mentoring; assigning duties; building a team-based work environment; establishing performance expectations and conducting regular performance evaluations; providing recognition and rewards; coaching for success and improvement; and promoting a belonging mindset in the workplace. Promotes and supports company policies, procedures, mission, values, and standards of ethics and integrity by training and providing direction to others in their use and application; ensuring compliance with them; and utilizing and supporting the Open Door Policy. Ensures business needs are being met by evaluating the ongoing effectiveness of current plans, programs, and initiatives; consulting with business partners, managers, co-workers, or other key stakeholders; soliciting, evaluating, and applying suggestions for improving efficiency and cost-effectiveness; and participating in and supporting community outreach events.
- 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
Skills used in this role
What the employer is looking for
- 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.
Preferred qualifications
- 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.
Benefits and support
- Compensation and benefits are detailed in the job posting
About Walmart
Walmart Inc. is an American multinational retail corporation that operates a chain of hypermarkets, discount department stores, and grocery stores. As one of the world's largest companies by revenue, it serves millions of customers daily through physical stores and robust e-commerce platforms. The company is driven by a commitment to everyday low prices and an expanding suite of digital and convenience-focused services.
- Industry
- Retail
- Company size
- 2000000+ employees
- Founded
- 1962
- Location
- Bentonville, Arkansas, USA
- Funding stage
- Public Company
Leadership
President and CEO
Executive Vice President and Chief Financial Officer
Executive Vice President, Global Chief Technology Officer and Chief Development Officer
Executive Vice President and Chief Growth Officer
President and CEO, Walmart U.S.
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