Walmart

Senior Manager, Data Science

Walmart$132K — $220K *
Enterprise Technology
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • Master's degree or equivalent in a relevant field (Statistics, Economics, Analytics, etc.) plus 3 years of experience, OR a Bachelor's degree plus 5 years of progressively responsible experience.
  • Proficiency in designing and implementing scalable machine learning models.
  • Strong coding skills in object-oriented programming languages like Python.
  • Experience with Python frameworks such as FastAPI and libraries like Pyspark.
  • Familiarity with deploying machine learning models on platforms like Azure Databricks.

Responsibilities

  • Analyze business problems and recommend technology-focused solutions.
  • Provide data-driven recommendations to business stakeholders.
  • Perform exploratory data analysis and develop analytical models iteratively.
  • Deploy models to production and monitor their performance.
  • Create visual data representations catering to specific stakeholder needs.

Benefits

  • Opportunity to work on cutting-edge machine learning and AI projects.
  • Collaboration with cross-functional teams including User Experience and engineering.
  • Access to advanced tools and technologies for data analysis and model development.
  • Exposure to large datasets sourced from cloud storage solutions.
  • Professional development with potential for impact across multiple business functions.
Full Job Description
What you'll do...

Position: Senior Manager, Data Science

Job Location: 811 Excellence Dr, Bentonville, AR 72716

Duties: Tech. Problem Formulation: To analyze the business problem within one's 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: To Provide recommendations to business stakeholders to solve complex business issues. Develop business cases for projects with a projected return on investment or cost savings. Translate business requirements into projects, activities, and tasks and aligns to overall business strategy and develops domain specific artifact. Serve as an interpreter and conduit to connect business needs with tangible solutions and results. Identify and recommend relevant business insights pertaining to their area of work. Data Source Identification: To understand the priority order of requirements and service level agreements. Define and identify the most suitable sources for required data that is fit for purpose, referring to external sources as required. Perform initial data quality checks on the extracted data. Review the deliverables of junior associates and provides guidance on data source and quality. Analytical Modeling: Select and develop variables and features iteratively based on model responses in collaboration with the business. Conducts exploratory data analysis activities (for example, basic statistical analysis, hypothesis testing, statistical inferences) on available data. Identify dimensions and designs of experiments and create test and learn frameworks. Interpret data to identify trends to go across future data sets. Create continuous, online model learning along with iterative model enhancements. Develop 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. Model Assessment and Validation: Apply best practice techniques for model testing and tuning to assess accuracy, fit, validity, and robustness for multi-stage models and model ensembles. Model Deployment and Scaling: To deploy models to production. Continuously log and track model behavior once it is deployed against the defined metrics. Identify model parameters which may need modifications depending on scale of deployment. Code Development and Testing: To write code to develop the required solution and application features by determining the appropriate programming language and leveraging business, technical, and data requirements. Create test cases to review and validate the proposed solution design. Create proofs of concept. Test the code using the appropriate testing approach. Deploy software to production servers. Contribute code documentation, maintain playbooks, and provide timely progress updates. Data Visualization: To generate appropriate graphical representations of data and model outcomes. Understand customer requirements to design appropriate data representation for multiple data sets. Work with User Experience designers and User Interface engineers as required to build front end applications. Present to and influence the team and business audience using the appropriate data visualization frameworks and conveys clear messages through business and stakeholder understanding. Customize communication style based on stakeholder under guidance, and leverages rational arguments. Data Strategy: 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.

Minimum education and experience required: Master's degree or the equivalent in Statistics, Economics, Analytics, Mathematics, Computer Science, Information Technology, or related field plus 3 years of experience in analytics or related experience; OR Bachelor's degree or the equivalent in Statistics, Economics, Analytics, Mathematics, Computer Science, Information Technology, or related field plus 5 years of post-bachelor's, progressively responsible experience in analytics or related experience.

Rate of pay: $132,621.00 - 220,000.00/year

Skills required: Must have experience with: Designing and implementing scalable machine learning models incorporating data pipelines, model training, inferencing, versioning and monitoring; Coding in an object-oriented programming language Python; Writing unit tests using pytest and unittest for Python; Designing and implementing APIS in Python using Fastapi; Developing, optimizing and deploying machine learning models using Pyspark and Azure Databricks; Extracting and preprocessing large datasets from Google Cloud Storage and Google Big Query for machine learning models; Implementing CI/CD pipelines using Jenkins and using Git for Source Control Management; Implementing platform for tracking data science experiments, managing models, and managing model versions using MLflow; Developing web applications using Python with Plotly Dash; Developing event-driven systems using Google Pub/Sub for message queuing and real time communication between services; Utilizing caching strategies to store high-volume static API response onto disk stores and Redis cache to improve the performance. Employer will accept any amount of experience with the required skills.

About Walmart

WalmartLabs is accelerating their development to redefine the shopping experience to meet the changing needs of our customers wherever they are —in a store, on our website, or on their mobile device.

Walmart Careers

Joining Walmart means becoming part of a world-renowned team that leads with innovation and is committed to creating impact. As the largest retailer globally, Walmart offers unparalleled job opportunities and career growth in an environment that values diversity and leadership. Work You’ll Do At Walmart, you will be part of a dynamic team that drives our mission to help people save money so they can live better. Engage in work that matters with a company that offers both stability and the flexibility to explore different career paths. Transform the retail landscape with your skills and help shape the future of millions of customers worldwide. Walmart is at the forefront of combining retail with advanced technology, making it an exciting place for professional growth and innovation. Lead with Us Step into a role that harnesses your potential and places you at the intersection of retail and technology. Walmart is not just a company; it's a community where you can develop your leadership skills and contribute to a culture that nurtures professional growth. Work with a diverse team of experts who bring a wealth of knowledge and experience to the table. Our commitment to diversity training ensures that all team members are valued and can thrive. Walmart Careers and Employment Opportunities We are continuously expanding our team to include enthusiastic professionals eager to drive change and make a significant impact. Explore a range of positions from entry-level to executive, each offering competitive benefits and the opportunity to advance. Innovate with Us Join Walmart and be part of a team that is dedicated to innovation and excellence. With over 2.3 million associates worldwide, you are joining the largest private employment group, ready to innovate, lead, and impact the global market. Internship Programs Kickstart your career with a Walmart internship. Gain invaluable experience, build your resume, and develop networking connections that will empower your career journey. Our internships provide a platform to apply your academic knowledge in real-world scenarios, preparing you for future employment. Be Part of a Great Team At Walmart, our team is our strength. We invest in our employees through robust training programs, leadership development, and opportunities for career advancement. Enjoy the benefits of working in a supportive and inclusive environment where every member’s contribution is valued. Future-Proof Your Career Your journey at Walmart can be as vast as your ambitions. With endless opportunities to grow, learn, and lead, you can take your professional experience to new heights. Benefit from our comprehensive training programs and develop the skills needed for tomorrow’s challenges. Stay Connected Join Our Team Search open positions that match your skills and interests. We are looking for passionate, curious, creative, and solution-driven team players. Explore the diverse job opportunities at Walmart and find where you can make a difference. Keep Up to Date Stay ahead with career tips, insider perspectives, and industry-leading insights you can put to use today—all from the people who work here. READ CAREERS BLOG Job Alert Emails Personalize your subscription to receive job alerts, latest news, and insider tips tailored to your preferences. Discover the exciting and rewarding opportunities that await at Walmart. SEARCH WALMART JOBS Join Walmart today and be part of a story of growth, innovation, and leadership.
Learn more about Walmart
Size
2,300 employees
Market Cap
$387 billion
Industry
Net Income
$13.5 billion
Founded
1962
5 Year Trend
+3.3%
Revenue
$559.1 billion
NASDAQ

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