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Position: Senior Data Scientist
Institution: Walmart Inc.
Location: Bentonville, Arkansas, United States
Duties: Designing, developing, and deploying of advanced ML/AI algorithms; Training and implementation of deep neural networks and other complex models based on state-of-art architectures; Deployment of AI models and components to simulation, verification, and production environments; Applied Business Acumen: Provides recommendations to business stakeholders to solve complex business issues. Develops business cases for projects with a projected return on investment or cost savings. Translates business requirements into projects, activities, and tasks and aligns to overall business strategy. Serves as an interpreter and conduit to connect business needs with tangible solutions and results. Recommends new processes and ways of working
Requirements: MA/MS/Ph.D Computer Science, Computer Engineering, Data Science, Operations Research, statistics or related fields or equivalent; Good understanding of machine learning, computer vision and data analysis theoretical foundations; Research capability to learn and adopt cutting edge techniques; Practical experience of using cloud computing; Proficient in Python, SQL, Spark, the associated Python and Spark packages commonly used by data scientists; Good knowledge of deep learning frameworks such as Tensorflow, Keras or Pytorch; Familiarity with Python’s numerical, data analysis or AI frameworks such as Numpy, Pandas, Scikit-learn, Jupyter, etc
   
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Our team of scientists, mathematicians, operations research analysts and statisticians develop rigorous quantitative methods to build efficient and effective algorithms that optimize decisions. We employ the wealth of Walmart data to build a portfolio of AI/ML/OR models in a rapid test, learn, modify cycle. We see the outcomes of our work to enhance decisions every day. We are seeking experts adept at Data Science models. As a data scientist, you will be designing, training, and deploying state-of-art AI models in real-world production environment. In conjunction with multiple product and technology groups, you will work to create best-in-class ML/AI implementation processes.You’ll sweep us off our feet if you have….Solid background in the following fields: complex image or video analytic pipelines, machine vision, NLP, signal processing, graph theory, simulations, segmentation/classification/association analysis/forecasting/sequencing, pattern recognition and mathematical optimizationHands-on experience in developing end to end AI models and components to simulation, verification and production environmentsSolid SQL, Python or other programming language skillsYou’ll make an impact by…Designing, developing, and deploying of advanced ML/AI algorithmsTraining and implementation of deep neural networks and other complex models based on state-of-art architecturesDeployment of AI models and components to simulation, verification, and production environmentsApplied Business Acumen: Provides recommendations to business stakeholders to solve complex business issues. Develops business cases for projects with a projected return on investment or cost savings. Translates business requirements into projects, activities, and tasks and aligns to overall business strategy. Serves as an interpreter and conduit to connect business needs with tangible solutions and results. Recommends new processes and ways of working.Model Assessment & Validation: Identifies the model evaluation metrics. Applies best practice techniques for model testing and tuning to assess accuracy, fit, validity, and robustness for multi-stage models and model ensembles.Develops newer techniques (for example, advanced machine learning algorithms, auto ML) by leveraging the latest trends in machine learning, artificial intelligence to train algorithms to apply models to new data sets. Guides the team on feature engineering, experimentation, and advanced modeling techniques to be used for complex problems with unstructured and multiple data sets (for example, streaming data, raw text data).Model Deployment & Scaling: Deploys models to production. Continuously logs and tracks model behavior once it is deployed against the defined metrics. Identifies model parameters which may need modifications depending on scale of deployment.Code Development & Testing: Writes code to develop the required solution and application features by determining the appropriate programming language and leveraging business, technical, and data requirements. Creates test cases to review and validate the proposed solution design. Creates proofs of concept. Tests the code using the appropriate testing approach. Deploys software to production servers. Contributes code documentation, maintains playbooks, and provides timely progress updates.What you’ll bring…MA/MS/Ph.D Computer Science, Computer Engineering, Data Science, Operations Research, statistics or related fields or equivalentGood understanding of machine learning, computer vision and data analysis theoretical foundationsResearch capability to learn and adopt cutting edge techniquesPractical experience of using cloud computingProficient in Python, SQL, Spark, the associated Python and Spark packages commonly used by data scientistsGood knowledge of deep learning frameworks such as Tensorflow, Keras or PytorchFamiliarity with Python’s numerical, data analysis or AI frameworks such as Numpy, Pandas, Scikit-learn, Jupyter, etc.Exposure to some of the following: image recognition, object detection, semantic segmentation, object tracking, etc.Experience with classic machine learning, computer vision and/or deep learning systemsLinux proficiencyExperience with advanced analytics pipelines, preferable with unstructured data.You are a team playerHighly motivated and independent; good at prioritization and results oriented.A self-learner; ability to effectively adapt to rapidly changing technology and apply it to business needs, integrate multiple tools together to solve business problems.Proficient in scripting and automation with an emphasis on integration.Benefits & Perks: Beyond competitive pay, you can receive incentive awards for your performance. Other great perks include 401(k) match, stock purchase plan, paid maternity and parental leave, PTO, multiple health plans, and much more. Equal Opportunity Employer 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. Who We AreJoin Walmart and your work could help over 275 million global customers live better every week. Yes, we are the Fortune #1 company. But you’ll quickly find we’re a company who wants you to feel comfortable bringing your whole self to work. A career at Walmart is where the world’s most complex challenges meet a kinder way of life. Our mission spreads far beyond the walls of our stores. Join us and you'll discover why we are a world leader in diversity and inclusion, sustainability, and community involvement.  From day one, you’ll be empowered and equipped to do the best work of your life. careers.walmart.com About Global TechImagine 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.We’re virtualWorking virtually this year has helped us make quicker decisions, remove location barriers across our global team, be more flexible in our personal lives and spend less time commuting. Today, we are reimagining the tech workplace of the future by making a permanent transition to virtual work for most of our team. Of course, being together in person is an important part of our culture and shared success. We’ll collaborate in person at a regular cadence and with purpose. Minimum Qualifications...Outlined below are the required minimum qualifications for this position. If none are listed, there are no minimum qualifications. 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., Option 1- Bachelor’s degree in Statistics, Economics, Analytics, Mathematics, Computer Science, Information Technology, or related field and 3years' experience in an analytics related field. Option 2- Master’s degree in Statistics, Economics, Analytics, Mathematics, Computer Science,Information Technology, or related field and 1 years' experience in an analytics related field. Option 3 - 5 years' experience in an analytics orrelated 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, 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...805 SE MOBERLY LN, BENTONVILLE, AR 72712, United States of America 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, ideas and opinions - while being inclusive of all people. Hello, NW ArkansasWith over 200 miles of trails, an emerging locally-sourced food scene, the world-renowned Crystal Bridges Museum—NWA has something for everyone. Discover NW Arkansas ArtCrystal Bridges MuseumCelebrate the American spirit in a setting that unites the beauty of art and the power of nature. CultureWalton Arts CenterArkansas' premiere center for visual arts and entertainment. EducationThe AmazeumAn interactive children's museum that's fun for the whole family. CommuneBotanical Gardens 42 acres of premiere public garden space. ExploreDevil's Den State ParkLocated on 2,500 acres, Devil's Den State Park is the perfect place to explore Arkansas' natural beauty. come togetherFayetteville SquareThe best of shopping and restaurants, right in the heart of Fayetteville. All the benefits you need for you and your family Multiple health plan options, including vision & dental plans for you & dependents Financial benefits including 401(k), stock purchase plans, life insurance and more Associate discounts in-store and online Education assistance for Associate and dependents Parental Leave Pay during military service Paid Time off - to include vacation, sick, parental Short-term and long-term disability for when you can't work because of injury, illness, or childbirth 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 specific plan or program terms. For information about benefits and eligibility, see One.Walmart.com/Benefits. Frequently asked questions On average, how long does it take to fill out an application?On average, it takes 45-60 minutes to complete your application for the first time. Subsequent applications will take less time to apply as our system saves some of your application information. Please note that some positions require the completion of assessments in order to receive consideration for that role. Those would take additional time. Can I change my application after submitting?No, you cannot change your application after submitting, so please make sure that everything is finalized before you hit the submit button. How do you protect my personal information?Processing of information on paper is minimal, and Walmart processes application information using an applicant tracking system (ATS). Access to the data within the ATS is restricted to authorized personnel, and the system itself is held to high security standards by Walmart. What are the recommended Internet Browsers for applying for open roles?Internet Explorer 8.0+Firefox 4.0+Safari 4.0+Chrome 12+ See All FAQs Recently viewed jobs
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