Data Engineer III

at Wal-Mart Associates, Inc. in Bentonville, Arkansas, United States

Job Description

Duties: Identifies possible options to address the business problems within one's discipline through analytics, big data analytics, and automation. Supports the development of business cases and recommendations. Owns delivery of project activity and tasks assigned by others. Supports process updates and changes. Solves business issues. Supports the documentation of data governance processes. Supports the implementation of data governance practices. 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. Demonstrates up-to-date expertise and applies this to the development, execution, and improvement of action plans by providing expert advice and guidance to others in the application of information and best practices; supporting and aligning efforts to meet customer and business needs; and building commitment for perspectives and rationales.

Minimum education and experience required: : Master’s degree or the equivalent in Computer Science or related field; OR Bachelor’s degree or the equivalent in Computer Science or related field plus 2 years of experience in software engineering or a related field.

Skills required: Must have experience with: Data extraction, data cleaning, data exploration and data visualization of structured and unstructured datasets; Big Data technologies such as Hadoop, PySpark, Spark SQL Map Reduce and Spark; Git, Putty, Confluence, ETL, Jenkins; Analyzing complex data elements, systems, data flows, dependencies, and relationships to contribute to conceptual, physical, and logical data models; Programming languages such as Python, SHELL, JAVA, and SQL; Building applications using SQL, Scala, and Spark; Designing and implementing relational databases for storage and processing; High speed querying using in memory technologies such as Spark; Applying Agile development practices; Customizing and managing integration tools, databases, and warehouses; Resolving the issues in data and supported applications. Employer will accept any amount of experience with the required skills.

To apply for this position: Send your resume to and reference the following Job ID number R-1783943

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Job Posting: 4115267

Posted On: Feb 17, 2024

Updated On: Mar 19, 2024

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