Staff Software Engineer

Walmart

Software Engineer (Backend) developing Java-based microservices for one of the world's largest e-commerce platforms. Collaborating with teams to optimize mobile apps and handle transactions for millions of customers.

Posted 7/31/2026full-timeSunnyvale • California • 🇺🇸 United StatesLead💰 $143,000 - $286,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in designing and building enterprise-scale Digital Financial Services platforms, with a strong focus on Node.js, GraphQL APIs, and system optimization for performance and scalability. Proven ability to mentor engineers and implement CI/CD practices for enhanced software delivery.

Highest-signal resume keywords

Node.js DevelopmentGraphQL API DesignSQL and NoSQL DatabasesApache Kafka ExperienceCI/CD Pipeline Implementation

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Software EngineeringBackend DevelopmentSystem DesignConcurrencyData Modeling

Soft Skills

MentoringLeadership

Tools & Technologies

CI/CD ToolsMonitoring ToolsIncident Response Practices

Certifications & Qualifications

Bachelor's Degree in Computer Science

Industry Keywords

Digital Financial ServicesEnterprise-Scale PlatformsEvent Streaming

Tech Stack

Tools & technologies

ApacheCloudGraphQLJavaJavaScriptJenkinsJUnitKafkaMavenMicroservicesMockitoNode.jsNoSQLRustSpringSpring BootSpringBootSQL

About the role

Key responsibilities & impact

Design and build enterprise-scale Digital Financial Services platforms
Drive architecture and design decisions for GraphQL APIs, Node.js, Rust services
Optimize systems for performance, reliability, and scalability
Champion CI/CD pipelines, observability, monitoring, and incident response practices
Guide and mentor senior and mid-level engineers

Requirements

What you’ll need

Bachelor's degree in computer science, computer engineering, computer information systems, software engineering, or related area and 4 years’ experience in software engineering or related area.
6 years’ experience in software engineering or related area.
12+ years of professional software engineering experience
Strong expertise in Node and backend development
Experience with SQL and NoSQL databases
Hands-on experience with Apache Kafka and event streaming
Experience designing and consuming RESTful or GraphQL APIs
Solid understanding of system design, concurrency, and data modeling

Benefits

Comp & perks

Paid maternity and parental leave
PTO
Multiple health plans
401(k) match
Stock purchase plan