Senior Data Engineer at Walmart in Reston, Virginia

Job Description:

What you'll do at




What you'll do...




Position: Senior Data Engineer



Job Location: 10790 Parkridge Blvd, Suite 200, Reston, VA 20191



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 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. 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. Provides recommendations on needed updates or inputs into data governance policies, practices, or guidelines.



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



Skills required: Must have experience with: Stream/Batch data processing and building automated ETL pipelines using Apache Spark; Building frameworks to extract data from multiple data sources like GCP, REST APIs, RDBMS, NoSQL etc.; Hadoop, Hive, Spark, MongoDB, Elasticsearch, GCP Big Query etc.; Building data pipelines using different programming languages like Scala, Python or Java; Working on CI/CD using docker and Jenkins; Dealing with data in any formats like semi-structured, unstructured etc.; Building real-time data pipelines using Kafka and Spark Streaming; Data Modelling and data migration protocols; Scheduling tools like Airflow, Automic etc; and Reading and writing data to NoSQL DBs like Elasticsearch, MongoDB etc. 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



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