1+ months

Machine Learning Lead

Walmart
Sunnyvale, CA 94086
1336939BRReq ID:1336939BRCompany Summary:The Walmart eCommerce team is rapidly innovating to evolve and define the future state of shopping. As the worlds largest retailer, we are on a mission to help people save money and live better. With the help of some of the brightest minds in technology, merchandising, marketing, supply chain, talent and more, we are reimagining the intersection of digital and physical shopping to help achieve that mission.Job Title:Machine Learning LeadPosition Summary:This position is in the data science team under the Advertising Technology organization. The mission of the Advertising Technology organization is to advance Walmart eCommerce 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 and performance advertising products that drive discovery, sales and profits. The team operates an end to end advertising platform that includes a scalable ad service that serves hundreds of millions of impressions each day, sophisticated ad matching algorithms, real-time reports, self-service interface for end to end program management etc. We are a highly motivated group of Big Data Geeks, Data Scientists and Applications Engineers, working in small agile group to solve sophisticated and high impact problems. We are building smart data systems that ingest, model and analyze massive flow of data from online and offline user activity. We use cutting edge machine learning, data mining and optimization algorithms on ad relevance, ranking and campaign optimization. Join us if you want to be spending your time on: - Gathering and analyzing data, identifying modeling and optimization problems, devising solutions and building prototypes; - Formulating machine learning/statistical approaches while paying attention to business metrics, designing features from the rich data available from many sources, training, evaluating, and deploying models; - Researching and implementing methodologies to measure the impact of the technologies; - Initiating and proposing unique and promising modeling projects, developing new and innovative algorithms and technologies, pursuing patents where appropriate; - Developing high-performance algorithms for precision targeting, user engagement prediction, and ad relevance/ranking; testing and implementing these algorithms in scalable, product-ready code; interacting with other teams to define interfaces and understanding and resolving dependencies; - Staying current on published data mining, machine learning and modeling techniques and competing technologies and sharing these findings with scientists and engineers in the organization; - Maintaining world-class academic credentials through publications, presentations, external collaborations and service to the research community.City:SUNNYVALEState:CAPosition Description:We are looking for outstanding machine learning/data engineers with skills in distributed computing system and experience working with very large scale of data, who will work closely with machine learning/data scientists in the team, and contribute to Advertising Technology in driving the future of ad targeting, personalization, relevance, ranking, and campaign optimization. Join us if you want to be spending your time on: - Building, maintaining and monitoring scalable data pipelines to support modeling and optimization products; - Analyzing, identifying, and debugging data related issues to ensure quality and stability of models and applications; - Working with machine learning/data scientists to build prototypes and perform experiments; - Working with engineering team to productize new features and products; - Performing ad hoc data related analysis.Minimum Qualifications:- Masters or equivalent degree in a computational science or engineering with 4+ years of experience in machine learning/data engineer role; - Familiarity with distributed computing frameworks (e.g., Hadoop/Spark) and relational data base (e.g., Oracle, MySQL), and knowledge of NoSQL database; - Strong implementation experience with a programming language (e.g., Jave/C++/Scala) and a scripting language (e.g., Python/Perl/Ruby), and familiarity with Linux/Unix/Shell environments; - Strong hands-on skills in building scalable and reliable data pipelines for sourcing, cleaning and manipulating large volumes of data; - Basic understanding of machine learning/statistics.Additional Preferred Qualifications:- Experience building and maintaining large scale data pipelines in online advertising, recommender system, ecommerce or relevant areas; - Experience building and/or maintaining machine learning models and pipelines; - Familiarity with job scheduler (e.g., Jenkins/Azkaban/Airflow); - Experience with Elastic Search/Solr.Category:Software Development and Engineering Brand:Walmart Labs

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Posted: 2019-07-23 Expires: 2019-11-03

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Machine Learning Lead

Walmart
Sunnyvale, CA 94086

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