Data Engineer III
Walmart

What you'll do at

What you'll do...

Position: Data Engineer III

Job Location: 702 SW 8th Street, Bentonville, AR 72716

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: developing Spark Applications for performing highly scalable data transformations using RDD, Data Frame, and Spark-SQL API; performing data cleansing and writing validation scripts using Python; executing Agile Methodologies, daily Scrum meetings, and Sprint planning; utilizing SQL to improve performance of batch and response time of data for users; implementing partitioning, dynamic partitions, and buckets for efficient data access using Hive; utilizing Shell Scripts as part of the ETL process to compare control totals and to automate process of loading, pulling, and pushing data from and to different servers; building real time data workflows using Kafka and Spark streaming; writing Unit, Integration and Functional Test cases; and NoSQL databases such as HBase, Cassandra, and Mongo DB. Employer will accept any amount of experience with the required skills.

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Wal-Mart is an Equal Opportunity Employer.

About Walmart

At Walmart, we help people save money so they can live better. This mission serves as the foundation for every decision we make, from responsible sourcing to sustainability-and everything in between. As a Walmart associate, you will play an integral role in shaping the future of retail, tech, merchandising, finance and hundreds of other industries-all while affecting the lives of millions of customers all over the world. Here, your work makes an impact every day. What are you waiting for?

Walmart, Inc. is an Equal Opportunity Employer- By Choice. We believe we are best equipped to help our associates, customers, and the communities we serve live better when we really know them. That means understanding, respecting, and valuing diversity- unique styles, experiences, identities, abilities, ideas and opinions- while being inclusive of all people.

"At Walmart, you have the support you need at any given moment no matter the circumstance." - Shelby, Project Analyst

Hello, NW Arkansas

With over 200 miles of trails, an emerging locally-sourced food scene, the world-renowned Crystal Bridges Museum-NWA has something for everyone.