Walmart Inc.
Location
Bentonville, AR | United States
Job description
Position: Data Engineer III
Job Location: 508 SW 8th St, Bentonville, AR 72712
Duties: Problem Formulation: Identifies possible 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 required: 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: Implementing Spark Scala, Python programming to develop data pipelines both batch and stream processing; Utilizing Astornomer, Oozie scheduling services to run daily and weekly DAGs and Jobs respectively; Local software development, testing and validation used cloud CLI which provides data emulators for Cloud data storage; Addressing growing large scale data needs, implementing data pipelines using distributed processing and storage systems like HDFS, Hive, Hadoop, and Spark; Utilizing Cloud based storage and computing platforms such as Google Cloud platform and AWS; Evaluating the business logic based on pre-existing code from SSIS logic and Informatica Workflow management; Implementing incremental loads by understanding delta of records within the columns available in dataset/table; Implementing Spark jobs to run on DataProc cluster; Implementing project from ETL pipelines to Cloud Platform to load data into Cloud Data Warehouse; Developing Data Pipelines in curated layer using Hadoop eco-system like Hive, Spark, and Python; and Implementing Astronomer Dags to run custom BQL scripts using python code. 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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