Data Scientist II
The Walt Disney Company
AirflowNumpyPandasPySparkPythonScikit-LearnSparkSQLTableau
Senior Data Scientist
Walmart
full-time
Posted on:
Location Type: Hybrid
Location: Sunnyvale • California • 🇺🇸 United States
Visit company websiteSalary
💰 $90,000 - $180,000 per year
Job Level
Senior
Tech Stack
PythonScalaSpark
About the role
- Data Source Identification Requires knowledge of Functional business domain and scenarios
- Data Quality Existing business systems and processes including the key drivers and measures of success
- Help identify the most suitable source for data that is fit for purpose
- Perform initial data quality checks on extracted data
- Support evaluation of the analytical model
- Support the scalability and sustainability of analytical models
- Test the code using the recommended testing approach
- Apply best practice techniques for model testing and tuning to assess accuracy fit validity and robustness for multistage models and model ensembles
- Generate appropriate graphical representations of data and model outcomes
- Work with User Experience designers and User Interface engineers as required to build front end applications
- Provide recommendations to business stakeholders to solve complex business issues
- Identify appropriate methods/tools to be leveraged to provide a solution for the problem
- Conduct exploratory data analysis activities for example basic statistical analysis hypothesis testing statistical inferences on available data
Requirements
- Option 1- Bachelor’s degree in Statistics, Economics, Analytics, Mathematics, Computer Science, Information Technology, or related field and 3 years' 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 or related field
- 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
- Knowledge of accessibility best practices
Benefits
- Health benefits include medical, vision and dental coverage
- Financial benefits include 401(k), stock purchase and company-paid life insurance
- Paid time off benefits include PTO, parental leave, family care leave, bereavement, jury duty, and voting
- Other benefits include short-term and long-term disability, company discounts, Military Leave Pay, adoption and surrogacy expense reimbursement, and more
- Live Better U is a company paid education benefit program for full-time and part-time associates in Walmart and Sam's Club facilities
Applicant Tracking System Keywords
Tip: use these terms in your resume and cover letter to boost ATS matches.
Hard skills
data qualitydata analysisstatistical analysishypothesis testingmachine learningoptimization modelsPythonSparkScalaR
Soft skills
problem solvingcommunicationcollaborationrecommendationanalytical thinking
Certifications
Bachelor’s degreeMaster’s degree
