Principal Software Engineer, AdTech (WMC)

Position Summary...

What you'll do...

Leads and directs in large-scale, complex, cross-functional projects by reviewing project requirements, translating requirements into technical solutions. Directs root cause analysis of critical business and production issues by reviewing and analyzing information (for example, issue, impact, criticality, possible root cause); directing actions as designated in the plan. Promotes and supports company policies, procedures, mission, values, and standards of ethics and integrity by training and providing direction to others in their use and application; ensuring compliance with them; and utilizing and supporting the Open-Door Policy.

About the team:

TheWalmartAdTechDisplayengineeringteam provides targeting, measurement, and ad servingsolution for WalmartConnect(https://www.walmartconnect.com/). We employ big data and machine learning to turn Walmart’s massive scale and reach into value proposition for our customers.

Position Summary:

This Principal Engineer role is responsible for leading design and development of mission critical components of distributed platform, where performance, high quality and precision are revered values. The platform supports the needs of managed services as well asexpandingself-serveofferings.

A successful person in this role will own major components of thedisplayadvertising solution, drive alignment with other teams, guide architecture and technology choices within the team and across WMC.

This is a hands-on role and so we are looking with an exceptional and experienced coder first.In addition, you will take on a role of either in-house Scala, OOP and Data Pipelines expert, who will help us build systems that are fast, maintainable and elegant, or someone who will take on defining architecture and methodology and bring clarity to broadly defined problems. Ideally you have elements of both.

You’ll sweep us off our feet if…
  • 8+ years of experience in software development, focusing on big data processing, real-time servingand distributed systems.
  • Proficient in Scala or Java, spark, HQL and SQL.
  • Deep knowledge in Hadoop ecosystem, like HDFS, Hive, MapReduce, presto etc.
  • Advanced knowledge of complex software design, distributed system design, design patterns, data structures and algorithms.
  • Excellent data analytics skills and ability to explore and identify data issues.
  • Ability to explain complex subjects in layman’s terms.
  • Experience with distributed version control like Git or similar.
  • Familiarity with continuousintegration/deploymentprocesses and tools such as Jenkins and Maven.
  • Familiar with public cloud technologies in Google Cloud Platform, especially Big query, GCS and Dataproc.
  • Good to have experience with ETL pipelines
  • Some exposure to machine learning and data science is good to have.
  • Good to have experience in AdTech and targeting but not mandatory


You’ll make an impact by:
  • Providing technical direction, architecture leadershipand expertise to the team.
  • Mentoringand guidingmid-to-junior engineers.
  • Showing your chops as anexceptional and experienced coder.


Benefits & Perks:
Beyond competitive pay, you can receive incentive awards for your performance. Other great perks include 401(k) match, stock purchase plan, paid maternity and parental leave, PTO, multiple health plans, and much more.

About Global Tech:
Imagine working in an environment where one line of code can make life easier for hundreds of millions of people and put a smile on their face. That’s what we do at Walmart Global Tech. We’re a team of 15,000+ software engineers, data scientists and service professionals within Walmart, the world’s largest retailer, delivering innovations that improve how our customers shop and empower our 2.2 million associates. To others, innovation looks like an app, service or some code, but Walmart has always been about people. People are why we innovate, and people power our innovations. Being human led is our true disruption.

We’re virtual:
Working virtually this year has helped us make quicker decisions, remove location barriers across our global team, be more flexible in our personal lives and spend less timecommuting.Today,we are reimagining the tech workplace of the future by making a permanent transition to virtual work for most of our team. Of course, being together in person is an important part of our culture and shared success. We’ll collaborate in person at a regular cadence and with purpose.

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...

600 WEST CALIFORNIA AVENUE, SUNNYVALE, CA 94086-2486, United States of America

Sunnyvale, CA, United States

8261_R-627927