Senior Software Engineer at Walmart in Sunnyvale, California

Job Description:

What you'll do at




What you'll do...




Position: Senior Software Engineer



Job Location: 860 W. California Avenue, Sunnyvale, CA 94086



Duties: Research, innovate and develop cutting-edge machine learning models and algorithms with high-dimensional, complicated unstructured, and structured data. Experiment and process large-scale e-Commerce datasets using distributed computing platform, mining insights from data, discover and build models that optimize towards various business goals and metrics. Build advanced feature extraction algorithms that feed into various advertising applications, including audience targeting, relevance and ranking, measurement, and optimization. Build machine learning, deep learning, reinforcement learning, active learning algorithms to continuously drive ads relevance and conversions; build end-to-end systems and solutions to optimize advertising products performance. Develop model automation and production system operations such as building Machine Learning data pipeline, logging, telemetry, and alerting using big-data technologies to process large-scale datasets using the distributed computing platforms. Conduct large-scale A/B testing and offline/online experiments to evaluate performance of new machine learning models which serve hundreds of millions of ad impressions per day.



Minimum education and experience required: Master's degree or equivalent in computer science, computer engineering, computer information systems, software engineering, or related area and 1 year of experience in software engineering or related area; OR Bachelor's degree or equivalent in computer science, computer engineering, computer information systems, software engineering, or related area and 3 years of experience in software engineering or related area.



Skills required: Experience with Automated ETL Data Pipeline Development including building, processing, and storing large datasets utilizing big data technologies and distributed computing platforms. Experience with Machine Learning Workflow including data pipeline construction, model training, evaluation, validation, and advance feature engineering in Python, Spark, PySpark, and Scala. Experience with Advanced machine learning model development and maintaining cutting-edge machine learning models, including constructing advanced deep learning architectures using PyTorch. Experience in object-oriented programming with Python and CUDA. Demonstrated knowledge of advanced Machine Learning, Model development using Machine Learning, Deep learning, and Reinforcement learning. Experience conducting independent research for designing and building state-of-the-art deep learning models and Reinforcement Learning algorithms in Pytorch. Experience with Cloud Computing in utilizing cloud platforms for developing scalable and reliable applications. Experience with Data Manipulation and Database Proficiency while extracting and manipulating data using SQL, MySQL, NoSQL, Hive, and programming languages including Python, Spark, and Scala. Experience with A/B Testing and Business Metric Analysis by designing and launching A/B tests in production environments and analyzing key business metrics in ad tech. Experience with Fundamental Algorithms and Data Structures for efficient coding in Python and Java. Employer will accept any amount of graduate coursework, graduate research experience or professional experience with the required skills.




Salary Range: $170,227/year to $234,000/year. Additional compensation includes annual or quarterly performance incentives. Additional compensation for certain positions may also include: Regional Pay Zone (RPZ) (based on location) and Stock equity incentives.



Benefits: At Walmart, we offer competitive pay as well as performance-based incentive 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, education assistance with 100% company paid college degrees, company discounts, military service pay, adoption expense reimbursement, and more.


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.com.


Wal-Mart is an Equal Opportunity Employer.


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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.



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