Staff Data Scientist - Insights & Innovation

Key Skills

Java Programming, Python Programming, SQL, Scala Programming, Data science techniques, A/B Testing, Data Modeling, Natural Language Processing (NLP), PyTorch, TensorFlow, Apache Hive, Scikit-learn, R Programming, SPARK Programming, Applied Machine Learning, Large data sets, VR/AR frameworks

Job Description

We are at the forefront of attacking one of the most complex problems of e-commerce and stores through our omni channel strategy. Revenue organization within Walmart is responsible for growing the new and emerging business of Walmart that includes the adtech business known as Walmart Connect, data monetization business known as Data Venture and membership business known as Walmart Plus. Revenue organization is important to drive the business Flywheel and help Walmart lead the retail disruption through emerging business initiatives.

You’ll make an impact by:?

• Process complicated and large-scale datasets using distributed computing platform, extract insights from data, predict future trends, and optimize business metrics.
• Build advanced machine learning and statistical models with various applications in SEM (search engine marketing), including ads performance prediction, bidding optimization, budget management, audience targeting, and measurement.
• Run large-scale statistical A/B testing to evaluate the performance of machine learning and statistical models in SEM applications which drives millions of clicks to Walmart eCommerce per day.
• Build compelling data visualizations and interactive dashboards for monitoring and sharing business insights internally and externally.

You’ll sweep us off our feet if…

• You’re an inquisitive, out-of-the box thinker who’s continually on the lookout for opportunities to improve and innovate data science solutions
• You have consistently high standards, your passion for quality is inherent in everything that you do
• You have the courage to fail fast 
• You have proven ability as a full stack data scientist who develops, optimizes, and scales models for the production environment 
• You connect the how and why, using your knowledge of data science theories and methodologies to derive the best approach that is fit-for-purpose 

Minimum Qualifications

• Master’s degree in computer science, Statistics, Optimization or related field plus 4 years' experience in an machine learning related field.
• Strong hands-on skills in sourcing, cleaning, manipulating, and analyzing large volumes of data using distributed computing platform (Python, R, SQL, Spark, Hive etc.).
• Experienced with traditional as well as modern machine learning/statistical techniques, including A/B testing, Causal Inference, Regression, Classification, Ensemble Methods, Deep Learning, Natural Language Processing, and Reinforcement Learning.
• Experienced with end-to-end modeling projects emerging from research efforts.
• Strong written and oral communication skills.

Preferred Qualifications

• Ph.D. degree in Computer Science, Statistics, Optimization or related field plus 2 years' experience in a machine learning related field.
•  2+ years of experience mentoring junior data scientists.
• Industrial experience in search engine marketing, computational advertisement, recommendation systems, eCommerce or relevant areas.
• Proficient in at least programming language (Sql & Python/Scala etc.) and experience in productionizing industry-scale machine learning models

About Walmart

At Walmart, we’ve led retail for over 60 years by keeping our customers’ needs at the center of everything we do. Our latest innovations leverage our online reach and massive network of physical stores to?save 160 million weekly omnichannel customers time and money in ways no other retailer can match. 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. Walmart isn’t simply the world’s most successful retailer —?we’re the world’s largest company. This is a unique opportunity to be part of a high-visibility team backed by the most talented retail colleagues in the world and over six decades of success. Join us.

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 4 years' experience in an analytics related field. Option 2: Masters degree in Statistics, Economics, Analytics, Mathematics, Computer Science, Information Technology or related field and 2 years' experience in an analytics related field. Option 3: 6 years' experience in an analytics or related field

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, PhD 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)