Senior Software Engineer

Walmart

. Build high-performance, scalable catalog services serving millions of Walmart customers .

Posted 5/7/2026full-timeSunnyvale • California • 🇺🇸 United StatesSenior💰 $117,000 - $234,000 per yearWebsite

Tech Stack

Tools & technologies

ApacheAzureBigQueryETLJavaJUnitKafkaMicroservicesMockitoNoSQLPySparkPythonRedisScalaSparkSQL

About the role

Key responsibilities & impact

Build high-performance, scalable catalog services serving millions of Walmart customers
Design and develop highly scalable services to solve complex software system challenges using modern technologies
Provide technical direction and architectural leadership across engineering teams
Lead high-visibility, cross-organizational projects from concept to delivery
Translate business and product requirements into scalable technical solutions and architectures
Collaborate with cross-functional teams to deliver complex projects on time
Conduct unit testing, debug issues, and implement fixes to improve system reliability
Enhance system designs to prevent recurring defects and improve performance

Requirements

What you’ll need

8+ years of experience building highly available backend systems in Java
Experience designing and developing scalable services and solving complex system problems
Proficiency in RESTful microservices and API design/development
Hands-on experience with SQL/NoSQL databases (e.g., Cosmos DB, Azure SQL, BigQuery)
Experience with caching technologies such as Redis or Memcached
Familiarity with event-driven architectures using Kafka
Strong coding skills with a focus on modular, maintainable, and testable code; experience with unit and integration testing (JUnit, Mockito, Mock MVC)
Experience working on complex, cross-functional projects, including requirements analysis, system design, development, testing, troubleshooting, and on-time delivery
Familiarity ETL experience with Apache Spark (Scala/PySpark), Python, and SQL
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 or 5 years’ experience in software engineering or related area.
Knowledge of accessibility best practices and understanding of WCAG 2.2 AA standards, assistive technologies, and digital accessibility standards.

Benefits

Comp & perks

401(k) match
Stock purchase plan
Paid maternity and parental leave
PTO
Multiple health plans
Health benefits including medical, vision, and dental coverage
Short-term and long-term disability
Company discounts
Military Leave Pay
Adoption and surrogacy expense reimbursement
Live Better U education benefit program

ATS Keywords

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Hard Skills & Tools

JavaRESTful microservicesAPI designSQLNoSQLCosmos DBAzure SQLBigQueryRedisKafka

Soft Skills

technical directionarchitectural leadershipcollaborationproject managementproblem-solvingcommunicationrequirements analysissystem designtroubleshootingdelivery