Principal Software Engineer

Principal Software Engineer

  • Location SUNNYVALE, CA
  • Career Area Software Development and Engineering
  • Job Function Software Development and Engineering
  • Employment Type Regular/Permanent
  • Position Type Salary
  • Requisition WD1264863

What you'll do at

Position Summary...

What you'll do...

Principal Software Engineer, Advertising Technology

Are you passionate about enhancing user experience with your solutions? Does your pulse accelerate when you hear the term "systematic application"? If so, join our Software Engineering team!

Team Description:

Walmart's Advertising Technology group enables the connection between supplier brands and retail shoppers at unprecedented scale. We are a highly motivated group of engineers and data scientists, working in an agile group to solve sophisticated and high impact problems. We serve billions of ad requests every month with our high-performance ad servers. We build smart data systems that ingest, model, analyze and optimize the massive flow of data from online and store user activity and transactions. We use cutting edge machine learning, data mining and optimization algorithms on this data. Above all, we are laser focused on delivering experiences that our customers and advertisers love.  

Minimum Qualifications:

  • Bachelor's Degree or Master’s degree in Computer Science (or related field) and 10+ years of experience.
  • Deep understanding of system design, data structures, and algorithms.
  • Experience working with micro-services architecture and distributed systems.
  • Expertise in Java, Scala, Object Oriented & Functional Programming and Design Patterns.
  • Working knowledge of caching technologies.
  • Solid knowledge of API standards and protocols such as SOAP, XML, REST, JSON.
  • Experience in relational and/or NoSQL database systems such as Oracle Database, MySQL, Cassandra, MongoDB, Amazon DynamoDB, etc.
  • Ability to define comprehensive API specification and documentation.
  • Experience in architecting and building large-scale, cloud-based and event-driven systems across various projects


Preferred Qualifications:

  • Experience designing, building, scaling, and maintaining high-quality, developer-centric API products.
  • Experience in Docker, Kubernetes, Cloud Technologies like Azure and GCP and/or the CI/CD pipeline is a plus!
  • Experience in message queues such as Kafka and/or other similar technologies.
  • Able to design, develop and maintain robust APIs using Java, Spring Boot, Memcached, SQL Server, DynamoDb, ElasticSearch etc.

Who We Are:

Join Walmart and your work could help over 275 million global customers live better every week. Yes, we are the Fortune #1 company. But you'll quickly find we're a company who wants you to feel comfortable bringing your whole self to work. Our mission spreads far beyond the walls of our stores. Today, we are reimagining the tech workplace of the future by making a permanent transition to virtual work for most of our team. Discover why we are a world leader in diversity and inclusion, sustainability, and community involvement. careers.walmart.com

About Global Tech:
Imagine working where one line of code can make life easier for hundreds of millions of people. That's what we do at Walmart Global Tech. We're a team of software engineers, data scientists, cybersecurity experts and service professionals within the world's leading retailer who make epic impact and are leading the next retail disruption.

Benefits & Perks:

Beyond our great compensation package, we offer performance incentives. Other great perks include 401(k) match, stock purchase plan, paid maternity and parental leave, PTO, multiple health plans, and much more.

Equal Opportunity Employer:

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, ideas and opinions – while being inclusive of all people.

Minimum Qualifications...

Outlined below are the required minimum qualifications for this position. If none are listed, there are no minimum qualifications.

Bachelor’s degree in Computer Science and 5 years’ experience in software engineering or related field OR 7 years’ experience in software
engineering or related field

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 or related field and 4 years' experience in software engineering or related field

Primary Location...

860 W CALIFORNIA AVENUE, SUNNYVALE, CA 94086-0000, United States of America

About Walmart

At Walmart, we help people save money so they can live better. This mission serves as the foundation for every decision we make, from responsible sourcing to sustainability—and everything in between. As a Walmart associate, you will play an integral role in shaping the future of retail, tech, merchandising, finance and hundreds of other industries—all while affecting the lives of millions of customers all over the world. Here, your work makes an impact every day. What are you waiting for?

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.

Hello, Silicon Valley

You don’t have to choose between your career and your lifestyle in Silicon Valley. Here, you can have both.

Discover Silicon Valley
Silicon Valley
View of Silicon Valley from the hills after a passing storm

All the benefits you need for you and your family

  • Multiple health plan options, including vision & dental plans for you & dependents
  • Financial benefits including 401(k), stock purchase plans, life insurance and more
  • Associate discounts in-store and online
  • Education assistance for Associate and dependents
  • Parental Leave
  • Pay during military service
  • Paid Time off - to include vacation, sick, parental
  • Short-term and long-term disability for when you can't work because of injury, illness, or childbirth

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 specific plan or program terms. For information about benefits and eligibility, see One.Walmart.com/Benefits.

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