Senior, Software Engineer

Walmart · Sunnyvale, CA · 2 days ago

On-siteEngineering$117k–$234k/yrFull-time

Position Summary

The Imperium team builds and operates a scalable decisioning platform within Walmart’s ecosystem that has evolved beyond traditional business policies into a comprehensive rules management system. It acts as a centralized engine, enabling consistent, high-performance, rules-driven decision making across a wide range of use cases and downstream systems. The team focuses on delivering long-term, high-impact solutions, using data-driven insights to continuously improve the platform. Working in a collaborative, agile environment, the team iterates quickly, incorporates feedback, and ensures the system remains reliable, efficient, and adaptable as it grows in scope and adoption.

What you'll do

Designed and developed highly scalable services to solve complex software system challenges using modern technologies.
Provided technical direction and architectural leadership across engineering teams.
Led by example as a senior developer, promoting best practices and high code quality.
Drove high-visibility, cross-organizational projects from concept to delivery.
Translated business and product requirements into scalable technical solutions and architectures.
Collaborated with cross-functional teams to deliver complex projects on time.
Conducted unit testing, debugged issues, and implemented fixes to improve system reliability.
Enhanced system designs to prevent recurring defects and improve performance.

What you'll bring

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 with ETL experience with Apache Spark (Scala/PySpark), Python, and SQL.

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 experts, 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.

Benefits

Beyond our great compensation package, you can receive incentive awards for your performance.
Other great perks include 401(k) match, stock purchase plan, paid maternity and parental leave, PTO, multiple health plans, and much more.
Equal Opportunity Employer: Walmart, Inc. is an Equal Opportunity 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.
Option 1: 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.
Option 2: 5 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 1 year's experience in software engineering or related area.

Additional Information

We value candidates with a background in creating inclusive digital experiences, demonstrating knowledge in implementing Web Content Accessibility Guidelines (WCAG) 2.2 AA standards, assistive technologies, and integrating digital accessibility seamlessly.
The ideal candidate would have knowledge of accessibility best practices and join us as we continue to create accessible products and services following Walmart’s accessibility standards and guidelines for supporting an inclusive culture.

Primary Location

1375 Crossman Ave, Sunnyvale, CA 94089-1114, United States of America

Drug-Free Workplace

Walmart and its subsidiaries are committed to maintaining a drug-free workplace and has a no tolerance policy regarding the use of illegal drugs and alcohol on the job. This policy applies to all employees and aims to create a safe and productive work environment.