Director, Data Science

Walmart, Inc.

$132K — $260K *
Information Technology
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • Master's or equivalent in Information Systems, IT, or related field plus 4 years of related experience; or Bachelor's plus 6 years.
  • Experience managing a team of data scientists focusing on AI/ML solutions for Fraud modeling.
  • Proficiency in training and deploying supervised and unsupervised models using Python/Spark.
  • Experience in mining large datasets for transaction pattern analysis in retail data.
  • Familiarity with designing KPI reports and monitoring model performance using SQL & Tableau.

Responsibilities

  • Collaborate with stakeholders to enhance user interfaces and model usability.
  • Write code (SQL, Python, Java) tailored to technical and business needs.
  • Develop and test software features, POCs, and ensure proper documentation of progress.
  • Use best practices in data visualization with tools like Tableau, PowerBI, and R.
  • Communicate insights through storytelling to guide decision-making with visual data narratives.
  • Analyze business problems and propose technology-focused solutions with defined success criteria.
  • Mentor junior associates on data selection, quality, and model/experiment methodologies.

Benefits

  • Opportunities for mentorship and leadership development within the data science team.
  • Access to advanced data science tools and technologies.
  • Engagement in cutting-edge AI/ML projects with a focus on Fraud detection.
  • Work in a collaborative environment with multi-disciplinary teams.
Full Job Description
What you'll do...

Position: Director, Data Science

Job Location: 811 Excellence Dr, Bentonville, AR 72716

Duties: Collaborates with stakeholders to support user interfaces and promote model usability at scale. Writes code using appropriate languages (e.g., SQL, Python, Java) based on technical and business needs. Develops and tests features, creates POCs, deploys software, documents code, and updates progress. Applies relevant software testing techniques. Applies best practices in visualization for complex data using tools like Tableau, PowerBI, Python, and R libraries. Communicates insights through structured storytelling formats and influences decision-making through visual narratives. Analyzes business problems within their discipline, questions assumptions, and identifies root causes. Recommends technology-focused solutions, defines success criteria and key metrics, and quantifies business impact to create effective solutions. Translates business requirements into strategies and initiatives aligned with organizational goals. Evaluates business cases, articulates ROI, challenges assumptions, and delivers demonstrable value. Defines and identifies suitable data sources aligned with business requirements. Performs data quality checks and guides junior associates on data selection and quality. Leverages understanding of business systems, distributed datastores (SQL, NoSQL), and success metrics to prioritize data needs. Selects appropriate modeling techniques for large-scale, structured and unstructured data. Conducts exploratory analysis, designs experiments, and creates test-and-learn frameworks. Develops models using advanced ML techniques and collaborates on feature development. Mentors team on experimentation and modeling methods. Identifies model evaluation metrics and applies best practices for testing and tuning. Assesses model accuracy, fit, robustness, and documents testing processes to ensure validation quality. Deploys models and ensures sustainability through lifecycle management and monitoring practices. The role will also supervise: 2: Staff Data Scientist; 3: Data Scientists; 4: Senior Data Scientists.

Minimum education and experience required: Master's degree or the equivalent in Information Systems, Information Technology, or related field plus 4 years of experience in analytics or related experience; OR Bachelor's degree or the equivalent in Information Systems, Information Technology, or related field plus 6 years of experience in analytics or related experience.

Skills required:Must have experience with: Managing a team of data scientists that implement AI/ML solutions in area of Fraud modeling; Training and deploying supervised classification models using Python/Spark to detect fraud in real-time; Training and deploying unsupervised network & cluster models using Python/Spark to detect fraud anomalies; Mining large datasets to discover transaction patterns, examine retail data (orders, sales, returns) and isolate targeted information using traditional & advanced data science techniques; Designing and developing KPI reports using SQL & Tableau to monitor real-time performance of models; Implementing Machine Learning algorithms including Supervised (Regression/LASSO, SVM, Neural Networks, etc..) and Unsupervised (Association, Clustering, etc.); Conducting data and model drift analysis on production environment to identify inconsistencies & anomalies; Utilizing statistical & data management tools & languages (Python, SQL, SAS) to provide insights & data solutions to business problems; Working with a team from multiple disciplines, including engineering and product management to build new applications and improve business processes; Azure / GCP for scalable deployment containerization (Docker, Kubernetes); Vector databases (Pinecone, Weaviate, FAISS, Milvus); Frameworks (LangChain, AutoGen, CrewAI, Haystack. Employer will accept any amount of experience with the required skills.

Rate of pay: $132,621.00 - 260,000.00/year

Similar Jobs

More Jobs at Walmart, Inc.

More Information Technology Jobs

Find similar Director, Data Science jobs: