Senior, Software Engineer

Position Summary...

What you'll do...

Job Description

Walmart Global Tech 

 We are seeking a highly skilled Senior Software Engineer to join our team at Walmart. 

About the team: 

Customer Digital Identity is an intelligent data platform that processes customer activity across markets, programs, devices, apps and to some extent over the Internet, in close to real time, to produce a coherent epitome, that is both representative and predictive. While recent advances in storage technology along with the proliferation of sensors have made collection of vast amounts of data very easy, the central challenge is in privacy preserving inference, be it deterministic or probabilistic. The platform offers superior insights into customer understanding, while enabling new applications.

Our team believes in being EDHR – i.e., Everyday Holiday Ready – symbolizing the readiness for the scale/redundancy as if it’s Black-Friday/Cyber Monday/Big Billion day every day. If you thrive in solving business problems with highly tangible and enormous business impact, love working with fabulous team members who just click, this is the place! 

What you'll do:

• Work cross functionally between leading the Analytics track, supporting data science and engineering division within the team and partnering with different business teams such as Luminate, Finance and Health and Wellness to provide support using advanced analytics, model building and data engineering methodologies and tools.
• Develop internal and external business specific Key Performance Indicator metrics using Spark, Hive SQL, and Scala; Automate and productionize large scale executive dashboards for active tracking of current state using Tableau and Power BI.
• Use advanced analytics and descriptive statistics to implement exploratory data analysis on large amount of data to identify opportunity areas to improve precision, coverage, and completeness; perform impact analysis to identify risk vs gain for each new feature or experiments;  conduct quality assurance analysis on existing and new machine learning model production releases; perform root cause analysis (RCA) for identifying bugs in the production pipeline and implementing best practices to avoid reoccurrence; and dive deep into the data to understand and formulate actionable insights to aid the team/business in making data driven decisions.
• Design, develop and deploy new features into the production pipeline to improve the precision, coverage, and completeness of the data using Spark SQL, Scala, and Apache Airflow and build and automate processes for generating large scale business specific tables for downstream consumption using BQ.
• Use large language models on large amount of data to identify noisy or invalid records and formulate new course of action for improving the data quality using Python and SQL.
• Use predictive and descriptive analytics to create feedback loop for the production models to be more precise using Spark and Hive SQL. 

What you’ll bring: 

• Master’s degree or the equivalent in Computer Science Engineering, or related field and 2 years’ experience working in large scale enterprise software development environment; OR Bachelor’s degree or the equivalent in Computer Science, Engineering or related field and 5 years’ of experience in large scale enterprise software development environment.
• Programming language including Java or Scala.
• Coding in an object-oriented programming language including C++ or Python.
• Writing advanced SQL queries and understanding of relational database.
• Experience using Tableau, Power BI, Looker or ThoughtSpot to build executive dashboards.
• Building pipelines using tools including Alteryx, Apache Airflow or Jenkins.
• Big data systems including Hadoop, Hive, Spark or Presto to build out a highly reliable, performant, easy to use software systems.
• Coding using languages including Pyspark and Jupyter notebook.
• Using tools including Git or GitHub for engineering excellence.
• Building machine learning models including unsupervised and supervised models, clustering models, xgboost model, and knn regressor in R or Python.

About Walmart Global Tech 
Imagine working in an environment 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 an epic impact and are at the forefront of the next retail disruption. People are why we innovate, and people power our innovations. We are people-led and tech-empowered. We train our team in the skillsets of the future and bring in experts like you to help us grow. We have roles for those chasing their first opportunity as well as those looking for the opportunity that will define their career. Here, you can kickstart a great career in tech, gain new skills and experience for virtually every industry, or leverage your expertise to innovate at scale, impact millions and reimagine the future of retail. 

Flexible, hybrid work: 
We use a hybrid way of working that is primarily in office coupled with virtual when not onsite. Our campuses serve as a hub to enhance collaboration, bring us together for purpose and deliver on business needs. This approach helps us make quicker decisions, remove location barriers across our global team and be more flexible in our personal lives. 

Benefits: 
Benefits: Beyond our great compensation package, 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. 

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. 
 
The above information has been designed to indicate the general nature and level of work performed in the role. It is not designed to contain or be interpreted as a comprehensive inventory of all responsibilities and qualifications required of employees assigned to this job. The full Job Description can be made available as part of the hiring process. 

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.

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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.

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For information about PTO, see https://one.walmart.com/notices.

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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.

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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.

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For information about benefits and eligibility, see One.Walmart.

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Sunnyvale, California US-04397:The annual salary range for this position is $117,000.00-$234,000.00

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Bentonville, Arkansas US-10735:The annual salary range for this position is $90,000.00-$180,000.00

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Additional compensation includes annual or quarterly performance bonuses.

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Additional compensation for certain positions may also include:

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- Stock

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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 3 years’ experience in software engineering or related area.Option 2: 5 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 1 year's 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...

680 West California Avenue, Sunnyvale, CA 94086-4834, United States of America