Senior Backend Engineer — Scalable Spring Microservices

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

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.