Walmart Inc.
Location
Bentonville, AR | United States
Job description
Position: Senior Data Engineer
Job Location: 702 SW 8th St., Bentonville, AR 72712
Duties: Understands, articulates, and applies principles of the defined strategy to routine business problems that involve a single function. Extracts data from identified databases. Creates data pipelines and transform data to a structure that is relevant to the problem by selecting appropriate techniques. Develops knowledge of current data science and analytics trends. Supports the understanding of the priority order of requirements and service level agreements. Helps identify the most suitable source for data that is fit for purpose. Performs initial data quality checks on extracted data. Analyzes complex data elements, systems, data flows, dependencies, and relationships to contribute to conceptual, physical, and logical data models. Develops the Logical Data Model and Physical Data Models including data warehouse and data mart designs. Defines relational tables, primary and foreign keys, and stored procedures to create a data model structure. Evaluates existing data models and physical databases for variances and discrepancies. Develops efficient data flows. Analyzes data-related system integration challenges and proposes appropriate solutions. Creates training documentation and trains end-users on data modeling. Oversees the tasks of less experienced programmers and stipulates system troubleshooting supports. 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. Translates business problems within one's discipline to data related or mathematical solutions. Identifies what methods (for example, analytics, big data analytics, automation) would provide a solution for the problem. Shares use cases and gives examples to demonstrate how the method would solve the business problem. Provides recommendations to business stakeholders to solve complex business issues. Develops business cases for projects with a projected return on investment or cost savings.
Minimum education and experience required: Master’s degree or the equivalent in Computer Science, Engineering, or related field plus 1 year of experience in software engineering or a related field; OR Bachelor’s degree or the equivalent in Computer Science, Engineering, or related field plus 3 years of experience in software engineering or a related field.
Skills required: Must have experience with: Database creation, querying and management in relational databases such as SQL and Azure; Coding and scripting in object-oriented language such as PYTHON to create data pipelines; Data cleaning and manipulation and creating macros using Microsoft Office suite; Data warehousing Design and operations using BigQuery; Project tracking, sprint creation using Microsoft teams and Jira; Documentation of business rules and important KPI's on Confluence; Managing Dashboard and creating visualization using PowerBI and Tableau; Data clustering, classification and forecasting of data to predict future capabilities and metrics; Creating a project roadmap for holistic Data Architecture; Automation of Data Pipelines using tools like Alteryx, Dataiku, Tableau, and Prep so that manual efforts can be reduced to a minimum; DAX (Data Analysis Expressions) to define custom calculations for Calculated Columns, Measures, Calculated Tables. Employer will accept any amount of experience with the required skills.
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Wal-Mart is an Equal Opportunity Employer.
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