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Data Analyst


Sunnyvale, CA 94086
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932109BRReq ID:932109BRCompany Summary:Walmart Global eCommerce is comprised of, VUDU,, and our technical powerhouse @WalmartLabs. Here, innovators incubate next gen e-commerce solutions in real-time. We integrate online, physical, and mobile shopping experiences for billions of customers around the globe. How do we do it? We continuously build and invest in new technology including open source tools and big data innovations. Data scientists, front and back-end engineers, product managers, and web and UX/UI teams collaborate alongside e-commerce experts to envision, prototype, and bring revolutionary ideas to life in a dynamic, flexible and fun work culture.Job Title:Data AnalystPosition Summary:Position Summary

SEM Engineering team is a part of Growth at Walmartlabs and is in charge of optimizing paid and free search for We are tasked with optimizing ad spend on RoAS while making sure as many items from our catalogue as practical get conversion, while doing it at scale, meaning, the traffic quality should be maintained regardless of amount of ad spend. We use data science methods to dynamically modify keyword and product ad bids across top search engine providers. The team is responsible for building data pipelines and API integrations enabling us to do so, with concerns of SLA and data quality squarely in focus, as well as building internal tool to provide our business partners control and visibility of SEM operations. Our challenge is immense. Presently, the catalog is expanding by 10s of thousands of items daily and keyword universe is growing by 10s of thousands monthly.City:SUNNYVALEState:CAPosition Description:We are looking for a Big Data Analyst/Engineer/Scientist who wishes to jumpstart their career by helping SEM team drive continuous optimization of PPC ad spend on search engines by increasing transparency of outcomes of algorithm's decisions, by performing advanced visualizations of data to uncover insights and potential features to be used by the algo, by architecting, executing and reporting beyond doubt results of A/B tests of various bidding strategies and formalizing attribution methods to score impact of various capabilities of PPC ads on engines.

You have a deep understanding in A/B testing, and all the statistical theory supporting A/B testing. You will be comfortable working at the intersection of statistics, causal inference.

We are hiring a partner to both Digital Marketing and Data Science team to provide analytic support as they evaluate strategies or validate hypotheses using our extremely diverse sets of historical data. We are looking for someone who is as comfortable working on experimentation edge cases as well as the day to day. You love sitting down and helping solve problems and push the boundaries to drive quality and excellence in experimentation.Minimum Qualifications:Minimum Qualifications

BS degree with 3+ yrs of relevant exp or Master's degree in Science, Technology, Engineering, or Math . PhD in quantitative fields is a plus.

Successful candidates typically demonstrate strengths in many of the following areas:

o Hands on experience in A/B testing, preferably in product/marketing analytics area

o Strong SQL skills and experience using several of Hive, Spark

o Experienced working with massive, messy data sets

o Confident applying appropriate analysis methods of causal inference in both experimental and non-experimental situations

Intellectual curiosity and attention to detail

Organized when analyzing data and conducting research

Strong verbal and written communication skills

Comfortable using the available data to help make decisions

Customer focused and passionate about using data to drive business growth

Clear and unambiguous when making commitments and always follows up on promises

Understands product development in leading technology companiesCategory:Data Analytics Division:Walmart LabsDivision Summary:@WalmartLabs is the technical powerhouse behind Walmart Global eCommerce. We employ big data at scale -- from machine learning, data mining and optimization algorithms, to modeling and analyzing massive flows of data from online, social, mobile and offline commerce. We dont just engineer cool websites, mobile apps, and new services; we use our own open source tools to create the framework. Deployment is automated and accelerated through our open cloud platform. This makes us incredibly nimble and able to adjust in real-time to our global customers.Employment Type:Full TimeRequisition Template:eCommerce
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