Senior, Software Engineer (Sunnyvale - On-Site Hiring Event)

Walmart; Sunnyvale (CA); On-site; USD 117,000 - 234,000; Full time

Benefits offered by this job

Health, vision, and dental coverage

401(k)

Company-paid life insurance

Paid time off

Parental leave

Disability benefits

Stock purchase options

Job summary

Walmart is looking for a Senior Software Engineer in Sunnyvale, CA, to build and scale backend systems for digital experiences. This role involves designing scalable services, leading optimization discussions, and mentoring engineers. Candidates should have 4–8 years of software engineering experience, strong knowledge in Java, and experience with microservices architecture. Benefits include competitive salary, health coverage, and stock options, with an annual salary range of $117,000 - $234,000.

Qualifications

• 4–8+ years of software engineering experience with strong backend depth.
• Deep understanding of multithreading, data structures, algorithms, and design patterns.
• Experience with testing frameworks such as JUnit and Mockito.

Responsibilities

• Design and build scalable backend services and APIs.
• Lead architecture discussions and performance optimization.
• Mentor engineers and contribute to a strong culture of learning.

Skills

Java

Spring Boot

RESTful APIs

Distributed systems

Kafka

Cassandra

Docker

Kubernetes

CI/CD

Data structures

Algorithms

Education

Bachelor’s degree in Computer Science or related field

Master’s degree in Computer Science or related field

Tools

Jenkins

GitHub

JUnit

Mockito

Job description

Position Summary

As a Senior Software Engineer with Walmart Global Tech in Sunnyvale, you’ll build and scale backend systems that power seamless digital experiences for millions of people across our U.S. Walmart Tech ecosystem. From checkout and fulfillment to dynamic user journeys, the services we build connect digital and physical retail at one of the largest scales in the world.

Responsibilities

• Design and build scalable backend services and APIs that support complex digital experiences
• Lead architecture discussions, performance optimization, and scalability improvements
• Partner with product, frontend, data, and UX teams to deliver solutions that improve the end-to-end experience
• Mentor engineers and contribute to a strong culture of learning
• Champion best practices in architecture, security, testing, and operational excellence
• Build secure, high‑performance distributed systems that handle large volumes of traffic and data
• Develop reusable frameworks and maintain high code quality through automated testing and thoughtful code reviews
• Troubleshoot complex production issues and lead root cause analysis
• Contribute to system resilience, performance, and security improvements
• Design and implement services using microservices and service‑oriented architecture with Spring
• Build and maintain CI/CD pipelines using tools like Jenkins and GitHub

Qualifications

Preferred skills

• 4–8+ years of software engineering experience with strong backend depth
• Hands‑on experience with Java, distributed systems, and large‑scale application design
• Expertise in Spring Boot, RESTful APIs, Kafka, and Cassandra
• Experience with Docker, Kubernetes, and microservices architecture
• Familiarity with CI/CD practices, DevOps, and monitoring tools
• Strong database design skills and experience writing complex queries
• Deep understanding of multithreading, data structures, algorithms, and design patterns
• Experience with testing frameworks such as JUnit and Mockito

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

• 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.
• Background in creating inclusive digital experiences, knowledge of Web Content Accessibility Guidelines (WCAG) 2.2 AA standards, assistive technologies, and integrating digital accessibility seamlessly.
• Knowledge of accessibility best practices and willingness to support inclusive culture.

Benefits

We offer competitive salary and performance‑based bonuses. Additional benefits include health, vision, and dental coverage; 401(k) and company‑paid life insurance; paid time off, parental leave, disability, and various other benefits. Additional compensation may include stock purchase options.

Compensation

The annual salary range for this position is $117,000.00 - $234,000.00. Additional compensation includes annual or quarterly performance bonuses. Stock options may also be awarded.

Location

1395 Crossman Avenue, Sunnyvale, CA 94089-1114, United States of America

Other

Walmart and its subsidiaries are committed to maintaining a drug‑free workplace and have 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.