Data Engineer III
Walmart Inc.
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Benefits offered by this job
Job summary
Walmart Inc. is seeking a Data Engineer III in Bentonville to design and build scalable data pipelines, models, and governance processes. You will work with cross-functional teams to transform data into actionable insights, develop ETL solutions, and optimize Spark workloads in cloud environments.
The role emphasizes data quality, governance, and timely delivery of analytics-ready data while supporting and guiding less experienced team members.
Qualifications
- Master's or Bachelor's degree in CS/Engineering with required experience.
- Strong background in data analytics, data modeling, and ETL design.
- Experience building scalable data pipelines and data governance awareness.
Responsibilities
- Identifies analytics options and addresses business problems via data analytics and automation.
- Owns delivery of project activities and tasks assigned by others.
- Develops data pipelines and transforms data for problem-specific use.
- Builds and tunes Spark applications for performance and cost efficiency.
- Designs relational data models and data warehouses/datamarts.
- Creates test cases, proofs of concept and documentation.
- Oversees junior developers and provides guidance.
Skills
Education
Tools
Job description
Data Engineer III
811 Excellence Dr., Bentonville, AR 72716
- Identifies possible options to address the business problems within one's discipline through analytics, big data analytics, and automation.
- 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.
- Supports the documentation of data governance processes.
- Supports the implementation of data governance practices.
- Understands, articulates, and applies principles of the defined strategy to routine business problems that involve a single function.
- Extracts data from identified databases.
- Creates data pipelines and transforms data into a structure that is relevant to the problem by selecting appropriate techniques.
- Develops knowledge of current data science and analytics trends.
- Supports the understanding of the priority order of requirements and service level agreements.
- Help identify the most suitable source for data that is fit for purpose.
- Performs initial data quality checks on extracted data.
- Analyzing complex data elements, systems, data flows, dependencies, and relationships to contribute to conceptual, physical, and logical data models.
- Develop 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.
- Oversee the tasks of less experienced programmers and stipulates system troubleshooting supports.
- 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.
- Deploying software to production servers.
- Contributes code documentation, maintains playbooks, and provides timely progress updates.
- Demonstrates up-to-date expertise and apply this to the development, execution, and improvement of action plans by providing expert advice and guidance to others in the application of information and best practices; supporting and aligning efforts to meet customer and business needs; and building commitment for perspectives and rationales.
Master's degree or the equivalent in Computer Science, Engineering (any) or a related field; OR Bachelor's degree or the equivalent in Computer Science, Engineering (any) or a related field plus 2 years of experience in software engineering or related experience.
- Analyze business requirements, perform data analysis, and develop technical design documents in collaboration with product and data teams
- Design and build scalable, distributed data pipelines/ETL solutions using Spark, Hadoop, Hive, Azure Databricks, Azure Data Factory, Azure Blob Storage, GCP Dataproc, and BigQuery
- Develop high-quality data solutions using object-oriented programming (Python, Scala) following industry best practices
- Automate workflows and streamline processes using Python and shell scripting
- build lightweight ETL frameworks
- Optimize and tune Spark applications (Spark Core, Spark SQL, Spark Streaming) to improve performance and reduce costs
- Implement data pipelines on cloud platforms including Microsoft Azure, Databricks, Google Cloud Platform and BigQuery
- Orchestrate workflows using tools such as Apache Airflow, Azure Data Factory, GCP Cloud Composer, Automic, and Oozie
- Establish CI/CD pipelines using GitHub, Jenkins, JFrog, and Artifactory
- Manage code with Git-based version control, enabling collaboration, code review, and release management
- Write optimized SQL for data extraction, transformation, and warehousing (Hive, BigQuery)
- Collaborate with cross-functional teams to deliver scalable data solutions on time
- Apply Agile and Waterfall methodologies based on project needs
- Design data models across RDBMS and cloud systems to support efficient data access and analytics
Employer will accept any amount of experience with the required skills.
$110,302.00 - 180,000.00/year
Additional compensation includes annual or quarterly performance incentives.
- At Walmart, we offer competitive pay as well as performance-based incentive awards and other great benefits for a happier mind, body, and wallet.
- Health benefits include medical, vision and dental coverage.
- Financial benefits include 401(k), stock purchase and company-paid life insurance.
- Paid time off benefits include PTO (including sick leave), parental leave, family care leave, bereavement, jury duty and voting.
- Other benefits include short-term and long-term disability, education assistance with 100% company paid college degrees, company discounts, military service pay, adoption expense reimbursement, and more.
- Eligibility requirements apply to some benefits and may depend on your job classification and length of employment.
- Benefits are subject to change and may be subject to a specific plan or program terms. For information about benefits and eligibility, see One.Walmart.com.
Wal-Mart is an Equal Opportunity Employer.
Pay Rate... $0.00 Walmart and its subsidiaries are committed to maintaining a drug-free workplace and has a no tolerance policy regarding the use of illegal drugs and alcohol on the job. This policy applies to all employees and aims to create a safe and productive work environment.
Fifty years ago, Sam Walton started a single mom-and-pop shop and transformed it into the world's biggest retailer. Since those founding days, one thing has remained consistent: our commitment to helping our customers save money so they can live better. Today, we're reinventing the shopping experience and our associates are at the heart of it.
You will play a crucial role in shaping the future of retail, improving millions of lives around the world.
This is that place where your passions meet purpose.
Join our family and create a career you're proud of.
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