Position Summary...
What you'll do...
Principal Software Engineer - mGQL Team
About the Team
The mGQL team builds scalable, high-performance GraphQL platforms and distributed systems that power critical enterprise applications across multiple channels, experiences, and markets. The team focuses on enabling fast, reliable, and secure access to enterprise services through modern API platforms, strong engineering practices, and developer-friendly architecture.
What You'll Do
Lead the architecture, design, development, and delivery of large-scale, mission-critical applications, platforms, and distributed systems.
Drive technical strategy and influence architectural direction across multiple engineering teams and organizations.
Collaborate with business, product, and engineering partners to understand complex business problems, define scalable technical solutions, translate requirements into technical designs, and lead implementation through testing, deployment, and operational readiness.
Establish engineering excellence standards through architecture and design reviews, code reviews, Operational Excellence reviews, root cause analysis, on-call excellence, and continuous reliability and scalability improvements.
Serve as a technical leader and mentor by guiding engineers in system design, technical problem-solving, engineering best practices, and career development.
Champion modern technologies, platform engineering practices, and system integration patterns across organizational boundaries.
Drive innovation in GraphQL platform capabilities, API architecture, distributed systems scalability, and developer experience.
Develop deep expertise in enterprise platform domains and represent the team in technical, architecture, and business leadership forums.
Lead initiatives focused on performance optimization, resiliency, observability, security, automation, and operational scalability.
What You'll Bring
10+ years of software engineering experience with a strong focus on building large-scale distributed systems, enterprise platforms, and high-availability services.
Proven experience leading complex, ambiguous, and cross-functional initiatives from concept through production launch.
Strong technical leadership with the ability to influence engineering strategy, architecture, and execution across multiple teams.
Expertise across multiple technologies and platforms including Rust preferred, Go experience acceptable, Java, Spring Boot, and React, with an understanding of native mobile application development, combined with strong full-stack engineering experience and an architectural mindset to build scalable, resilient solutions for large-scale eCommerce platforms across multiple markets.
Strong hands-on experience with GraphQL, API development, backend service development, and platform engineering.
Experience building high-performance backend systems and platform tooling using Rust, Go, or Java.
Experience building scalable APIs and microservices using Java Spring Boot.
Advanced knowledge of distributed systems architecture, microservices design patterns, data structures, algorithms, scalability, resiliency, and performance engineering.
Expertise with relational and NoSQL databases, cloud-native technologies, and modern infrastructure patterns.
Strong experience with cloud platforms, observability tooling, platform reliability engineering, CI/CD, DevOps practices, and Operational Excellence frameworks.
Experience building scalable commerce platforms and enterprise-grade API ecosystems.
Experience driving engineering transformation initiatives and modern platform adoption.
Exceptional communication and collaboration skills, including the ability to build consensus, influence technical direction, resolve conflicts, and partner effectively with senior stakeholders.
Passion for mentoring engineers and building high-performing engineering teams.
Preferred Qualifications
Experience building and scaling enterprise GraphQL platforms or API gateway ecosystems.
Experience supporting and evolving GraphQL platforms while collaborating across multiple engineering teams to drive GraphQL specifications, schema design standards, integration patterns, scalability, and platform best practices.
Why Join Us
As a Principal Software Engineer on the mGQL team, you will help define the future of enterprise GraphQL platforms, API ecosystems, and distributed systems at scale. You will work on high-impact initiatives, solve complex engineering challenges, and influence architecture and engineering practices across multiple teams and business domains.
At Walmart, we offer competitive pay as well as performance-based bonus awards and other great benefits for a happier mind, body, and wallet. Health benefits include medical, vision and dental coverage. Financial benefits include 401(k), stock purchase and company-paid life insurance. Paid time off benefits include PTO (including sick leave), parental leave, family care leave, bereavement, jury duty, and voting. Other benefits include short-term and long-term disability, company discounts, Military Leave Pay, adoption and surrogacy expense reimbursement, and more. You will also receive PTO and/or PPTO that can be used for vacation, sick leave, holidays, or other purposes. The amount you receive depends on your job classification and length of employment. It will meet or exceed the requirements of paid sick leave laws, where applicable. For information about PTO, see https://one.walmart.com/notices . Live Better U is a Walmart-paid education benefit program for full-time and part-time associates in Walmart and Sam's Club facilities. Programs range from high school completion to bachelor's degrees, including English Language Learning and short-form certificates. Tuition, books, and fees are completely paid for by Walmart.
Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to a specific plan or program terms.
For information about benefits and eligibility, see One.Walmart (https://one.walmart.com/) .
The annual salary range for this position is $110,000.00 - $220,000.00 Additional compensation includes annual or quarterly performance bonuses. Additional compensation for certain positions may also include :
Stock
?
?
?
?
?
Minimum Qualifications...
Outlined below are the required minimum qualifications for this position. If none are listed, there are no minimum qualifications.
Option 1: Bachelor's degree in computer science, computer engineering, computer information systems, software engineering, or related area and 5 years' experience in software engineering or related area.
Option 2: 7 years' experience in software engineering or related area.
Preferred Qualifications...
Outlined below are the optional preferred qualifications for this position. If none are listed, there are no preferred qualifications.
Master'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., We value candidates with a background in creating inclusive digital experiences, demonstrating knowledge in implementing Web Content Accessibility Guidelines (WCAG) 2.2 AA standards, assistive technologies, and integrating digital accessibility seamlessly. The ideal candidate would have knowledge of accessibility best practices and join us as we continue to create accessible products and services following Walmart's accessibility standards and guidelines for supporting an inclusive culture.
Primary Location...
2501 Se J St, Ste A, Bentonville, AR 72716-3724, United States of America
Walmart and its subsidiaries are committed to maintaining a drug-free workplace and has 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.
Walmart, Inc. is an Equal Opportunity Employer- By Choice. We believe we are best equipped to help our associates, customers, and the communities we serve live better when we really know them. That means understanding, respecting, and valuing diversity- unique styles, experiences, identities, abilities, ideas and opinions- while being inclusive of all people.
