Data Scientist – Advertising Technology

Key Skills

Python Programming, Scala Programming, TensorFlow, Scikit-learn, R Programming, SPARK Programming, Torch library

Job Description

What you'll do...

The mission of the Advertising Technology organization is to advance Walmart e-Commerce by driving higher value for our customers and vendor partners. Walmart is investing in building a world class advertising platform and the Ads team is responsible for defining, innovating, and building performance advertising products that drive product discovery, sales and profits.

The Data Scientist / Applied Machine Learning Scientist – Computational Advertising is a critical data science/applied machine learning role that uses cutting-edge machine learning, deep learning, big data mining and optimization techniques to solve the challenging problems from ads relevance, ranking to campaign optimization. You will have a chance to work with the world's best machine learning scientists, engineers and product managers to solve some of the most challenging problems from e-Commerce and advertising business.

You’ll make an impact by:

• 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 system and solution to optimize advertising products performance.
• 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.
• Work closely with leaderships, product managers, system engineers to continuously and collaboratively ship new models, algorithms and improvements into production. Present business insights internally and externally.

You’ll sweep us off our feet if…

• You’re experienced with Data Science and Machine Learning (aka A.I.), including Regression, Classification, Clustering, Ensemble Methods, Deep Learning, Active Learning, Reinforcement Learning, etc.
• You have strong implementation experience with at least one of the programming languages (Python, Java, C++, etc.). 
• You have strong hands-on skills in data wrangling over massive datasets using distributed computing platform.
• You have strong written and oral communication skills.
• You have a graduate degree in a computational science with a lot of emphasis in Machine Learning and Data Science.
• You have experience in online advertising, recommender system, search engine, natural language processing, ecommerce or related areas. 
• You’re experienced with end-to-end modeling projects emerging from research efforts.

About Global Technology

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.

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.

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.

Option 1: Bachelors degree in Statistics, Economics, Analytics, Mathematics, Computer Science, Information Technology or related field and 2 years' experience in an analytics or related field.

Option 2: Masters degree in Statistics, Economics, Analytics, Mathematics, Computer Science, Information Technology or related field.

Option 3: 4 years' experience in an analytics or related field.
As permitted by applicable law, provide evidence of full vaccination as defined by CDC guidelines OR secure approval of medical or religious accommodation for the vaccination mandate.

Preferred Qualifications...

Outlined below are the optional preferred qualifications for this position. If none are listed, there are no preferred qualifications.

Data science, machine learning, optimization models, Master’s degree in Machine Learning, Computer Science, Information Technology, Operations Research, Statistics, Applied Mathematics, Econometrics, Successful completion of one or more assessments in Python, Spark, Scala, or R, Using open source frameworks (for example, scikit learn, tensorflow, torch)

Primary Location...

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