(USA) Principal, Software Engineer-Experimentation Platform

Walmart; Bentonville (AR); On-site; USD 110,000 - 286,000; Full time

Benefits offered by this job

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Live Better U

Walmart Academy

Medical, dental, vision benefits

Job summary

Walmart seeks a Principal Software Engineer for the Experimentation Platform in Bentonville. You will drive architecture, scale, and reliability for Walmart's self-serve experimentation tools, while mentoring engineers and coordinating with data science and product teams.

You will shape multi-quarter strategy, ensure platform adoption, and elevate engineering culture across organizations. Strong leadership and deep backend expertise are essential for success in this role.

Qualifications

• Experience leading large-scale backend systems.
• Strong design, testing and maintenance capabilities.
• Ability to influence decisions across teams and orgs.

Responsibilities

• Lead and design platform-level systems for experimentation services.
• Mentor staff and senior engineers on large initiatives.
• Align architecture with multi-quarter business priorities.

Skills

Java

Scala

Lua

Rust

Observability

Reliability engineering

Platform governance

Mentoring

Leadership

Education

Bachelor's degree in CS/CE or related

5+ years software eng experience

Tools

Microservices

Cloud environments

Data pipelines

Job description

(USA) Principal, Software Engineer-Experimentation Platform

Bentonville, AR

(USA) Principal, Software Engineer-Experimentation Platform

Multiple locations

R-2630621

Bentonville, AR: $110,000 - $220,000/yr

Sunnyvale, CA: $143,000 - $286,000/yr

Regular/ Permanent

Position Summary...

Help drive a culture of experimentation and data-driven decision-making at Walmart scale to continuously evolve and improve the customer experience.

We are seeking a technical lead software engineer to design and advance the core infrastructure powering Walmart's self-serve experimentation platform. This position sits on the Walmart Experimentation Platform team, where our mission is to deliver a first-in-class, reliable, and scalable experimentation experience across all of Walmart's digital surfaces. You will shape the platform's multiyear technical strategy, drive cross-org alignment, and ensure the architecture can support Walmart's evolving experimentation needs.

What you'll do...

• DrivethetechnicaldirectionforWalmart’sexperimentationbackendservices,aligninglong-termplatformstrategywithbusinessneedsacrossmultipleorganizations
• Design,develop,andscaleefficientandreliablesystemsandpipelinestosupportteamsgloballythroughoutWalmart
• Providedeeptechnicalmentorshipandelevateengineeringcultureacrossahigh-performing,agileengineeringteam
• Closelypartnerwithdatascientists,productmanagers,andengineeringleaderstoadvanceexperimentationmethodologiesandensureplatformadoptionandsuccess

What you'll bring:

• Proventechnicalleadershipofateamofengineers
• Experiencedesigning,developing,testing,andmaintaininglarge-scalesystems
• Expertiseinoneormore:Java,Scala,Lua,Rust
• Maintaininganddeployingcomputeenvironmentsacrosslocalandcloud-basedsystems
• Abilitytoproactivelymanageprojectsacrossmultipleteamsandtroubleshootissues
• Provenabilitytoinfluencetechnicaldecisionsacrossmultipleteamsororganizations
• Strongstrategicthinking—abilitytoconnectengineeringdecisionstolong-termbusinessoutcomes
• Exceptionalcommunicationskills,enablingcleararticulationofcomplextechnicalapproachestoseniorleadershipandcross-functionalaudiences
• Abilitytoidentifyemergingtechnologiesandguidetheiradoption
• Expertiseinreliabilityengineering,observability,platformgovernance,andoperationalexcellenceformission-criticalsystems

Preferred Qualifications:

• Experience working with Experimentation (A/B Testing)
• Experience working with Feature Flags and risk-mitigated deployments
• Experience building data solutions and AI/ML products
• Strong contributions to open-source frameworks, standards, or libraries

Responsibilities:

• Lead and participate in medium- to large-scale projects by reviewing requirements; translating requirements into technical solutions; designing solutions (design docs, wireframes, implementation plans); writing and developing code; testing; collaborating with cross-functional teams; troubleshooting open issues and bug fixes; and ensuring on-time delivery.
• Troubleshoot business and production issues by gathering information (issue, impact, criticality, root cause); engaging support teams to assist in the resolution of issues; formulating an action plan; and performing actions as designated in the plan.
• Provide and support the implementation of business solutions through partnerships with stakeholders, identifying needs, managing processes, and adapting to evolving demands.
• Define the technical roadmap for experimentation platform services, aligning architecture decisions with multi-quarter business priorities.
• Lead the design of platform-level systems, authoring architecture proposals, conducting design reviews, and setting technical direction across services.
• Drive cross-org initiatives, collaborating with analytics, platform, and product teams to deliver unified experimentation capabilities.
• Ensure operational excellence for experimentation backend services, joining and driving incident mitigation efforts and root cause analysis.
• Mentor Staff Engineers and Senior Engineers, enabling them to independently lead large-scale initiatives.
• Lead evaluations and integration of emerging technologies, guiding proof-of-concepts and adoption strategies.
• Uphold and advance engineering excellence, including code quality, automation, observability, and security best practices.

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 .

Bentonville, Arkansas US-30095: The annual salary range for this position is $110,000.00 - $220,000.00

Sunnyvale, California US-11657: The annual salary range for this position is $143,000.00 - $286,000.00 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...

2403 Se J St, Bentonville, AR 72716, 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.

Benefits you’ll enjoy

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Get 10% off

Walmart associates are eligible for a 10% discount card on most regular-priced items and fresh produce in-store and on select items at Walmart.com. Eligible after 90 days of employment.

Live Better U

100% covered

Earn a degree or in-demand skills certificates with no debt- Walmart covers 100% of tuition and books. Live Better U offers 60+ programs for Associates to pursue their dreams.

Ready to grow your career? Walmart Academy offers job-specific retail training and leadership courses to help Associates reach their career goals.

Medical, dental, vision, and wellness programs for you and your family

Access mental health resources and assistance programs for life’s challenges

Training, leadership programs, and clear paths to advance.

Imagine a workplace surrounded by innovation.At Walmart’s new Home Office in Bentonville, Arkansas, we’re redefining what it means to work at a global leader.

Set on 350 acres of thoughtfully revitalized land, our new campus seamlessly integrates the charm of Northwest Arkansas with cutting edge design and technology. From biking trails and outdoor courtyards to flexible, tech-enabled workspaces, every detail reflects our commitment to sustainability, connection, and culture.

With amenities like on-site childcare at our Little Squiggles Children’s Enrichment Center, the Walton Family Whole Health & Fitness Center, and a vibrant food hall featuring local and international favorites, we’re creating a space where work-life balance isn’t just a goal—it’s a reality.

Beyond the campus, Bentonville offers a dynamic lifestyle with world-class dining, art at the Crystal Bridges Museum, and countless outdoor activities.

Whether you’re exploring High South cuisine, enjoying live performances at our new amphitheater, or cycling the Razorback Greenway, you’ll experience the perfect blend of small-town charm and big-city amenities.

Join us at Walmart and grow your career alongside a community that feels like home.

This isn’t just a workplace—it’s a destination for leaders eager to make a difference.

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