Principal Software Engineer

Walmart

Confirmed live yesterday High trust

Quick summary

Work type
On-site
Location
Sunnyvale, CA
Salary
$143,000–$286,000 / yr
Posted
98 days ago
Freshness
Confirmed live yesterday

Market check

Salary context

Above market

How this pay compares to similar roles

Similar $194k
This role $214k
$126k most similar roles pay here $303k

This role pays more than 72% of similar roles. Most pay $169,550–$218,700 — the shaded band above. At the midpoint, this role pays about $214k versus about $194k for comparable roles.

Based on 240 similar postings.

Employer

About Walmart

Walmart Inc. is the world''s largest retailer by revenue, operating a chain of hypermarkets, discount department stores, and grocery stores, as well as a growing e-commerce presence through Walmart.com. Industry: General Merchandise & Grocery Retail

Walmart currently has 184 open roles on FindRole.

Listed pay typically runs $117,000–$234,000 across 180 roles with salary data.

Most-posted roles

View all roles at Walmart

At a glance

TL;DR · Principal Software Engineer

As a Principal, Software Engineer on the Data Security Platform team, you will design and build highly scalable distributed systems to protect petabytes of data at rest and in motion across structured and unstructured sources. You will architect resilient services for authentication, authorization, audit logging, and least-privilege enforcement while solving complex challenges in real-time policy enforcement and low-latency access control. The role requires extensive experience with Java, Go, SQL, and NoSQL databases, alongside deep knowledge of JVM internals, multithreaded programming, and storage engine optimization. You will drive technical strategy, mentor engineers, and lead critical design reviews to ensure operational excellence. This position addresses the core challenge of balancing security, privacy, and compliance within a large-scale enterprise environment by building robust infrastructure for identity management and data protection across diverse systems and applications.

What does a Software Engineer earn in California?

Median $214000 from 775 postings across 63 companies.

See salary data

What you'll do

  • Architect and build large-scale distributed systems for enterprise data security including authentication, authorization, and auditing.
  • Develop solutions to enforce fine-grained access controls with minimal performance overhead on petabytes of data.
  • Drive technical strategy and influence cross-functional engineering teams to align on platform architecture and goals.
  • Optimize system performance, reliability, scalability, and operational excellence for high-availability cloud-native services.
  • Mentor engineers and establish best practices to foster engineering excellence across the organization.
  • Lead critical design reviews and maintain architectural decision records to ensure transparency in technical planning.
  • Translate ambiguous business requirements into actionable technical specifications and measurable success metrics.
  • Integrate AI-enhanced capabilities and intelligent software systems into the data security platform.

What we're looking for

  • Must have a Bachelor's degree in computer science or a related field with 5 years of software engineering experience, or 7 years of experience without a degree.
  • Requires 10+ years of software engineering experience building large-scale distributed systems.
  • Requires 5+ years of experience designing and architecting complex distributed systems in production environments.
  • Requires 10+ years of hands-on experience with Java and Go.
  • Requires 10+ years of experience with SQL and NoSQL databases.
  • Must have deep knowledge of JVM internals, multithreaded programming, and database performance tuning.
  • Must possess strong leadership skills to mentor engineers and drive technical strategy across cross-functional teams.
  • Preferred candidates have experience in security platforms, cloud-native microservices, and digital accessibility standards.

More like this

Similar roles

Principal Software Engineer

Walmart

Sunnyvale, CA 78 days ago $143,000$286,000
Java ReactJS Python JavaScript Dart Rust C++ CI/CD Cloud-Native Architecture AI/ML GitHub Copilot Software Architecture Solution Design
5+ yrs exp

Staff Software Engineer

Walmart

Sunnyvale, CA 78 days ago $143,000$286,000
Java ReactJS Python TypeScript JavaScript Rust Dart C++ CI/CD Microservices GitHub Copilot API Design System Design Cloud-Native Architecture SDKs WCAG) 2.2 AA
4+ yrs exp

Staff Software Engineer

Walmart

Sunnyvale, CA 100 days ago $143,000$286,000
CI/CD Python TypeScript JavaScript Rust C++ Java Dart Microservices Containers Cloud-native Architecture API Design GitHub Copilot Feature Stores Observability Monitoring System Design
4+ yrs exp

Principal Software Engineer

Autodesk

Atlanta, GA 29 days ago $139,000$249,260
Distributed Systems Data Pipelines NoSQL Serverless API Design ETL Cloud Platform Schema Validation Search Relevance
8+ yrs exp Hybrid

Principal Software Engineer

CVS Health

Remote (Massachusetts) +4 63 days ago $144,200$288,400
Python GCP Vertex AI LLM MLOps Microservices RAG Vector Search React Angular CI/CD Pub/Sub BigQuery GKE Cloud Run FHIR HL7 SRE
10+ yrs exp Remote

Principal Software Engineer

Oracle

73 days ago $114,600$234,600
C Distributed Systems Cloud Architecture Python Kernel Programming Network Programming Unix Linux Elastic File System OCI HPC AI/ML
6+ yrs exp