Walmart

(USA) Principal, Software Engineer

Walmart$132K — $264K *
Information Technology
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • Proficiency in programming languages like Java, Python, or C++.
  • Expertise in cloud-native architecture and distributed system design.
  • Experience developing and deploying reinforcement learning algorithms with fault tolerance.
  • Bachelor's degree in operation research, computer science, or related fields; Masters or PhD preferred.
  • AdTech experience is a strong plus.

Responsibilities

  • Collaborate with stakeholders to translate business needs into actionable technical requirements.
  • Work with Data Scientists to prototype new optimization algorithms and build roadmaps.
  • Develop low-latency data pipelines alongside multiple engineering teams for real-time bidding.
  • Design and implement campaign optimization algorithms to meet advertiser goals.
  • Build offline simulation tools and online dark canary systems for algorithm iteration.

Benefits

  • Medical, vision, and dental coverage.
  • 401(k) with company match and stock purchase options.
  • Paid time off including vacation, sick leave, and family care leave.
  • Company discounts and military leave pay.
  • Walmart-paid education benefit program covering tuition and fees for higher education.
Full Job Description
Position Summary...

What you'll do...

Role summary:

As a Principal Software Engineer, you will be responsible for designing, developing and improving core services and algorithms for Display Ads optimization, including budgeting, pacing, bidding and auction. You will work closely with Data Science and Product on requirement gathering and problem formulation, collaborate with multiple engineering teams to build scalable and high-performance services with high observability, lead the design and implementation of optimization algorithms, establish insights for optimization opportunities, and iterate over system and algorithm improvements. You are a sharp software engineer with great math intuition. By applying sound technical judgment and continuous improvement, you are committed to building reliable and high-performance systems that meet customers' needs while advancing Walmart's technology vision.

What you'll do:

  • Collaborate with stakeholders to translate business needs into actionable technical requirements and measurable outcomes.


  • Collaborate with Data Scientists to prototype new optimization algorithms and build roadmaps.


  • Collaborate with multiple engineering teams to build low latency data pipelines to support budgeting and pacing algorithms as well as real-time bidding decisions.


  • Design, implement, test and improve campaign optimization algorithms, to achieve advertiser goals with actional insights.


  • Build offline simulation tools and online dark canary systems to support quick iterations of algorithm development with minimum risks


What you'll bring:

  • Proficiency in one of the programming languages, Java, Python, C++, etc.
  • Expertise in cloud-native architecture and distributed system design ensuring high availability and low latency.


  • Proven records for developing, deploying, and operating feedback control or reinforcement learning algorithms with fault tolerance.


  • Bachelor's degree in operation research, computer science, or related fields. Master and PhD are preferred.


  • AdTech experience is a strong plus.


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.

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

Bellevue, Washington US-11663: The annual salary range for this position is $132,000.00 - $264,000.00

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...

1345 Crossman Ave, Sunnyvale, CA 94089-1114, United States of America

About Walmart

WalmartLabs is accelerating their development to redefine the shopping experience to meet the changing needs of our customers wherever they are —in a store, on our website, or on their mobile device.

Walmart Careers

Joining Walmart means becoming part of a world-renowned team that leads with innovation and is committed to creating impact. As the largest retailer globally, Walmart offers unparalleled job opportunities and career growth in an environment that values diversity and leadership. Work You’ll Do At Walmart, you will be part of a dynamic team that drives our mission to help people save money so they can live better. Engage in work that matters with a company that offers both stability and the flexibility to explore different career paths. Transform the retail landscape with your skills and help shape the future of millions of customers worldwide. Walmart is at the forefront of combining retail with advanced technology, making it an exciting place for professional growth and innovation. Lead with Us Step into a role that harnesses your potential and places you at the intersection of retail and technology. Walmart is not just a company; it's a community where you can develop your leadership skills and contribute to a culture that nurtures professional growth. Work with a diverse team of experts who bring a wealth of knowledge and experience to the table. Our commitment to diversity training ensures that all team members are valued and can thrive. Walmart Careers and Employment Opportunities We are continuously expanding our team to include enthusiastic professionals eager to drive change and make a significant impact. Explore a range of positions from entry-level to executive, each offering competitive benefits and the opportunity to advance. Innovate with Us Join Walmart and be part of a team that is dedicated to innovation and excellence. With over 2.3 million associates worldwide, you are joining the largest private employment group, ready to innovate, lead, and impact the global market. Internship Programs Kickstart your career with a Walmart internship. Gain invaluable experience, build your resume, and develop networking connections that will empower your career journey. Our internships provide a platform to apply your academic knowledge in real-world scenarios, preparing you for future employment. Be Part of a Great Team At Walmart, our team is our strength. We invest in our employees through robust training programs, leadership development, and opportunities for career advancement. Enjoy the benefits of working in a supportive and inclusive environment where every member’s contribution is valued. Future-Proof Your Career Your journey at Walmart can be as vast as your ambitions. With endless opportunities to grow, learn, and lead, you can take your professional experience to new heights. Benefit from our comprehensive training programs and develop the skills needed for tomorrow’s challenges. Stay Connected Join Our Team Search open positions that match your skills and interests. We are looking for passionate, curious, creative, and solution-driven team players. Explore the diverse job opportunities at Walmart and find where you can make a difference. Keep Up to Date Stay ahead with career tips, insider perspectives, and industry-leading insights you can put to use today—all from the people who work here. READ CAREERS BLOG Job Alert Emails Personalize your subscription to receive job alerts, latest news, and insider tips tailored to your preferences. Discover the exciting and rewarding opportunities that await at Walmart. SEARCH WALMART JOBS Join Walmart today and be part of a story of growth, innovation, and leadership.
Learn more about Walmart
Size
2,300 employees
Market Cap
$387 billion
Industry
Net Income
$13.5 billion
Founded
1962
5 Year Trend
+3.3%
Revenue
$559.1 billion
NASDAQ

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