(IND) SENIOR, SOFTWARE ENGINEER

Job Description Summary:

Responsible for coding, unit testing, building high performance and scalable applications that meet the needs of millions of Walmart-International customers, in the areas of supply chain management & Customer experience.

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:

You are responsible for coding, unit testing, building high performance and scalable applications that meet the needs of millions of Walmart-International customers, in the areas of supply chain management & Customer experience.

You are expected to be more intellectually curious engineer who is passionate about domain/technology in general.

What you’ll bring:

Java (11/17/21+) — Proficiency in modern Java features including records, sealed classes, virtual threads, and pattern matching

JVM Internals — GC tuning, memory model, class loading, and performance profiling

Spring Boot / Spring Framework — Building production-grade microservices with Spring MVC, Spring Security, and Spring Data

RESTful + GQL API Design — API versioning, pagination, error handling, and Swagger documentation

Concurrency & Multithreading — Executors, Completable Future, reactive streams, and thread-safe design patterns

AI Understanding — LLMs, GenAI Integration, RAG, Vector DBs, Agentic AI

SQL & Relational Databases — Advanced SQL, query optimization, indexing strategies (MySQL, PostgreSQL, AzureSQL)

NoSQL Databases — Experience with Cassandra, Cosmos DB, or DynamoDB for high-throughput workloads

Caching — Redis or Memcached for distributed caching strategies

Kafka / Event Streaming — Event-driven architecture, producers/consumers, and exactly-once semantics

Microservices Architecture — Service decomposition, inter-service communication (sync/async), and domain-driven design

Design Patterns — GoF patterns, SOLID principles, and distributed system patterns (Circuit Breaker, Saga, CQRS)

System Design — Ability to design scalable, fault-tolerant systems handling high throughput (Walmart-scale traffic)

API Gateway & Service Mesh — Experience with Istio, Envoy, or similar service mesh technologies

Kubernetes / WCNP — Container orchestration, pod lifecycle, deployments, and scaling strategies

Cloud Platforms — Azure or GCP experience for cloud-native application deployment

CI/CD Pipelines — Concord, Looper, Jenkins, or similar tools for build and deployment automation

Infrastructure as Code — Terraform or equivalent for managing cloud resources

Testing — Unit (JUnit 5, Mockito), integration, contract testing, and TDD/BDD practices

Observability — Distributed tracing, logging (SLF4J/Logback), and metrics (Grafana, Prometheus, Splunk)

Code Quality — SonarQube, static analysis, code coverage (>85%), and secure coding practices

Git & GitHub — Branching strategies, code reviews, and pull request workflows

Build Tools — Maven or Gradle for dependency management and build automation

Containerization — Docker for building and managing container images

Technical Mentorship — Ability to mentor IN2/IN3 engineers and lead technical discussions

Cross-team Collaboration — Experience working with distributed teams across time zones

Technical Documentation — Writing clear design docs, ADRs, and runbooks

Problem Solving — Strong debugging skills and root cause analysis in production environments

Ownership & Accountability — End-to-end ownership from design through production support

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 firs…