What you'll do...
Position:Data Engineer III
Job Location: 702 SW 8th Street, Bentonville, AR 72716
Duties: Problem Formulation: Identifiespossible options to address the business problems within one's discipline through analytics, big data analytics, and automation. Applied Business Acumen: 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. Data Governance: Supports the documentation of data governance processes. Supports the implementation of data governance practices. Data Strategy: Understands, articulates, and applies principles of the defined strategy to routine business problems that involve a single function. Data Transformation and Integration: 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. Data Source Identification: 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. Data Modeling: 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. Code Development and Testing: 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.
Minimum education and experience : Master’s degree or the equivalent in Computer Science, Information Technology, Engineering, or a related field; OR Bachelor's degree or the equivalent in Computer Science, Information Technology, Engineering, or a related field plus 2 years of experience in software engineering or related experience.
Skills Required: Must have experience with: designing, implementing, and continuously expanding ETL data pipelines by performing extraction, transformation, and loading activities; coding in an object-oriented programming language (Python) and developing solutions and applications features; cleaning and preprocessing data using Python libraries and data frameworks; designing and developing data modeling in relational database; writing complex SQL queries such as Microsoft SQL Server, Presto SQL, and MySQL; using Tableau to build statistic charts for data visualization and presenting story to stakeholders; end to end ownership of big data platforms with large-scale data tools and techniques (Spark, Hadoop, Hive, and/or MapReduce), including code preparation, testing, and code deployment; using Big Data Cloud service to store Teradata, perform Cloud computation, and utilize Cloud bucket to transfer data and files; utilizing data pipelines to improve query efficiency; and analyzing data to solve issues, including troubleshooting, and validating data. Employer will accept any amount of experience with the required skills.
Wal-Mart is an Equal Opportunity Employer.
