As a Staff Software Engineer on the OneSource team at Walmart, you will architect and build scalable, enterprise-grade solutions using Java, Spring Boot, React, and agentic technologies like LLMs and MCPs, integrating with Walmart’s core tech platforms. Your role involves designing technical architecture to ensure system scalability and reliability under load, building robust APIs for seamless data flow, and optimizing intelligent agents using DSPy/LLM frameworks. You will also drive engineering standards through mentorship and code reviews while ensuring operational excellence in deployment, configuration, monitoring, and security. This position requires 10+ years of experience in designing highly scalable distributed applications, deep expertise in Python, Java, Spring Boot, React, PostgreSQL / Azure SQL, and modern agentic technologies, as well as strong problem-solving skills and excellent collaboration abilities to work across global teams.
Design and own the technical architecture to ensure system scalability with business growth.
Build robust APIs and integrations for seamless data flow across systems.
Develop intelligent agents using DSPy/LLM frameworks, ensuring observability and cost-effectiveness.
Optimize system performance at scale through proactive measures and operational excellence practices.
Bridge technical and business stakeholders to drive delivery while balancing velocity with sustainability.
What we're looking for
10+ years of experience in designing and developing highly scalable distributed applications.
Expertise in Java, Spring Boot, React, Python, PostgreSQL / Azure SQL, and agentic technologies (LLMs, MCPs).
Proven ability to build robust APIs and integrations for seamless data flow across systems.
Strong problem-solving skills with a focus on automation and intelligent workflow transformation.
Experience leading technical initiatives that drive platform unification and operational excellence.
Market check
Salary context
This
$143,000–$286,000
range sits above
83%
of similar postings on FindRole.
Peer median band
$131,650–$234,000
Median floor and ceiling across peers.
Typical midpoint (25–75%)
$159,480–$214,500
Middle half of comparable postings.
Based on 240 comparable postings.*
* 240 is the maximum number of comparable postings sampled.
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
495 open roles
on FindRole.
Listed pay typically runs
$117,000–$234,000
across 487 roles with salary data.