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Walmart

DISTINGUISHED, DATA SCIENTIST

Early Applicant
  • 4 months ago
  • Be among the first 50 applicants

Job Description

  • Provides overall direction by analyzing business objectives and customer needs; developing, communicating, building support for, and implementing business strategies, plans, and practices; analyzing costs and forecasts and incorporating them into business plans; determining and supporting resource requirements; evaluating operational processes; measuring outcomes to ensure desired results; identifying and capitalizing on improvement opportunities; promoting a customer environment; and demonstrating adaptability and sponsoring continuous learning
  • Develops and implements strategies to attract and maintain a highly skilled and engaged workforce by diagnosing capability gaps; recruiting, selecting, and developing talent; supporting mentorship, workforce development, and succession planning; and leveraging the capabilities of new and existing talent
  • Cultivates an environment where associates respect and adhere to company standards of integrity and ethics by integrating these values into all programs and practices; developing consequences for violations or non-compliance; and supporting the Open Door Policy
  • Develops and leverages internal and external partnerships and networks to maximize the achievement of business goals by sponsoring and leading key community outreach and involvement initiatives; engaging key stakeholders in the development, execution, and evaluation of appropriate business plans and initiatives; and supporting associate efforts in these areas
  • To analyze the business problem within ones discipline and questions assumptions to help the business identify the root cause
  • Identify and recommend approach to resolve the business problem to create effective technology focused solutions
  • Set relevant deliverables based on the established success criteria and define key metrics to measure progress and effectiveness of the solution
  • Quantify business impact
  • Understanding Business Context: Requires knowledge of Industry and environmental factors; Common business vernacular; Business practices across two or more domains such as product, finance, marketing, sales, technology, business systems, and human resources and in-depth knowledge of related practices; Directly relevant business metrics and business areas
  • To evaluate proposed business cases for projects and initiatives
  • Translate business requirements into strategies, initiatives, and projects and aligns them to business strategy and objectives, and drives the execution of deliverables
  • Build and articulate the business case and return on investment and delivers work that has demonstrable value
  • Challenge business assumptions on topics related to ones domain expertise
  • Mentor the team members on new business insights and allied developments
  • Proactively engage in the external community to build Walmarts brand and learn more about industry practices
  • Data Source Identification: Requires knowledge of Functional business domain and scenarios; Categories of data and where it is held; Business data requirements; Database technologies and distributed datastores (egSQL, NoSQL); Data Quality; Existing business systems and processes, including the key drivers and measures of success
  • To define data requirements for various model types
  • Direct usage of the appropriate internal and external data sources based on business and model requirements (for example, types of databases, recommended data structures)
  • Define data quality guidelines and align data governance
  • Analytical Modeling: Requires knowledge of feature relevance and selection; Exploratory data analysis methods and techniques; Advanced statistical methods and best-practice advanced modelling techniques (eg, graphical models, Bayesian inference, basic level of NLP, Vision, neural networks, SVM, Random Forest etc); Multivariate calculus; Statistical models behind standard ML models; Advanced excel techniques and Programming languages like R/Python; Basic classical optimization techniques (eg, Newton-Rapson methods, Gradient descent); Numerical methods of optimization (egLinear Programming, Integer Programming, Quadratic Programming, etc) To explore and create automated feature generation framework
  • Develop standard EDA process
  • Develop best practices on experimentation
  • Drive exploratory work in newer areas of Math, Statistics, Machine Learning, and Optimization Techniques
  • Continuously improve the businesss data analysis models
  • Create industry-leading performance by leveragi Model Assessment and Validation:
  • Requires knowledge of model fit testing, tuning, and validation techniques (eg, Chi square, ROC curve, root mean square error etc); Impact of variables and features on model performance To identify and review model evaluation metrics based on analytical requirements
  • Apply suitable techniques for model testing and tuning, to assess accuracy, fit, validity, and robustness
  • Ensure testing information is documented and maintained by the team
  • Model Deployment and Scaling: Requires knowledge of impact of variables and features on model performance; understanding of servers, model formats to store models
  • To deploy models or model ensemble and ensure sustainability and maintenance overtime
  • Implement model monitoring and model life-cycle management practices
  • Assist in creation of innovative user interfaces and support the use of models through collaboration with key stakeholders
  • Code Development and Testing: Requires knowledge of coding languages like SQL, Java, C++, Python and others; Testing methods such as static, dynamic, software composition analysis, manual penetration testing and others; Business, domain understanding
  • To review the solution and application design to ensure it meets business, technical, and data requirements
  • Identify language and libraries to use in the development process
  • Map test cases to business and functional requirements
  • Create proof of concepts
  • Review and troubleshoot code in line with final designs
  • Identify and recommend the appropriate testing methodology
  • Identify the environment(s) for deployment
  • Identify and recommends modifications of application based on different environment requirements
  • Identify modifications needed for scalability and drives the change
  • Monitor applications in production and leads development of patches where required
  • Review and ensure all code documentation is complete and updated periodically
  • Data Visualization: Requires knowledge of Visualization guidelines and best practices for complex data types; Multiple data visualization tools (for example, Python, R libraries, GGplot, Matplotlib, Ploty, Tableau, PowerBI etc); Advanced visualization techniques/ tools; Multiple story plots and structures (OABCDE); Communication & influencing technique; Emotional intelligence
  • To identify and recommend the most suitable visualization tools based on context
  • Generate appropriate graphical representations of data and model outcomes
  • Understand customer requirements to design appropriate data representation for complex data sets and drive User Experience designers and User Interface engineers to build front end applications
  • Define application design based on customer requirements
  • Build compelling stories based on context to integrate multiple pieces of information into cohesive insights
  • Present to and influence diverse audiences using the appropriate data visualization frameworks and Data Strategy: Requires knowledge of understanding of business value and relevance of data and data enabled insights / decisions; Appropriate application and understanding of data ecosystem including Data Management, Data Quality Standards and Data Governance, Accessibility, Storage and Scalability, etc
  • Understanding of the methods and applications that unlock the monetary value of data assets
  • To understand, articulate, interpret, and apply the principles of the defined strategy to unique, moderately complex business problems that may span one or more functions or domains

More Info

Date Posted: 11/07/2024

Job ID: 84148369

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