Senior Data Engineer

What you'll do...

Position: Senior Data Engineer

Job Location: 702 SW 8th Street, Bentonville, AR 72712

Duties: 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 Modelling: 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 modelling. 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. Problem Formulation: 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. Applied Business Acumen: Provides recommendations to business stakeholders to solve complex business issues. Develops business cases for projects with a projected return on investment or cost savings. Translates business requirements into projects, activities, and tasks and aligns to overall business strategy. Serves as an interpreter and conduit to connect business needs with tangible solutions and results. Recommends new processes and ways of working. Data Governance: Establishes, modifies, and documents data governance projects and recommendations. Implements data governance practices in partnership with business stakeholders and peers. Interprets company and regulatory policies on data. Educates others on data governance processes, practices, policies, and guidelines.

Minimum education and experience required: Master's degree or the equivalent in Computer Science or a related field plus 1 year of experience in software engineering or related experience OR Bachelor’s degree or the equivalent in Computer Science or a related field plus 3 years of experience in software engineering or related experience.

Skills required: Must have experience with: Developing shell scripts in Linux/Unix environment for Bigdata pipelines; Writing complex SQL queries to handle complex ETL scenarios, data retrieval requests and data issues within data pipelines; Hadoop Architecture and HDFS File system; Data Ingestion, Transformation, Tuning and Validation using Scala, Spark and Hive; Designing and building backend API's to process data requests using Java/Python; Performing Continuous Integration and Deployment using Jenkins; Building dashboards with key KPIs using Tableau and Power BI; Developing batch processors to extract, load and transform the data from multiple file systems using Java; Agile methodology and tracking project activities via Scrum principles using Jira; Building Continuous integration and deployment pipeline to automate code delivery; and Creating entity relationship diagrams, developing necessary logical data models and creating mapping documents. Employer will accept any amount of graduate coursework, graduate research experience or experience with the required skills.

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Wal-Mart is an Equal Opportunity Employer.