Walmart

Senior Data Engineer

Walmart • $94K — $180K *
Information Technology
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's or Master's degree in Computer Science or related field; relevant experience required
  • 3+ years of software engineering experience (or 1+ year with a Master's degree)
  • Proficient in building scalable Scala-Spark data pipelines
  • Experience with designing data models and ETL pipelines using PySpark
  • Familiarity with data quality frameworks, preferably in Scala or PySpark
  • Practical knowledge of cloud infrastructure migration and optimization
  • Hands-on experience with data governance practices and tools

Responsibilities

  • Develop and implement data strategies to solve business problems
  • Identify suitable data sources and perform initial data quality checks
  • Create and optimize data pipelines for relevant data transformations
  • Translate business problems into data-related solutions and recommend methods/tools
  • Analyze complex data systems and contribute to data modeling efforts
  • Write and test code to develop solutions, ensuring documentation and progress updates
  • Establish data governance practices and provide recommendations for policies

Benefits

  • Opportunities for professional development and career advancement
  • Collaborative work environment with cross-functional teams
  • Access to the latest technology and tools in data engineering
  • Support for continued education and certifications
  • Flexible work hours and potential for remote work options
Full Job Description
Position: Senior Data Engineer

Job Location: 811 Excellence Dr, Bentonville, AR 72716

Duties: Data Strategy: Understands, articulates, and applies principles of the defined strategy to routine business problems that involve a single function. 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 Transformation and Integration: Extracts data from identified databases. Creates data pipelines and transforms data to a structure that is relevant to the problem by selecting appropriate techniques. Develops knowledge of current data science and analytics trends. Tech. Problem Formulation: Translates/co-own business problems within one's discipline to data related or mathematical solutions. Identifies appropriate methods/tools to be leveraged to provide a solution for the problem. Shares use cases and gives examples to demonstrate how the method would solve the business problem. Understanding Business Context: 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 and develops domain specific artifact. Serves as an interpreter and conduit to connect business needs with tangible solutions and results. Identifies and recommend relevant business insights pertaining to their area of work. 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 Requires: 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. 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 or related field plus 3 years of experience in software engineering or related experience; OR Master's degree or the equivalent in Computer Science or related field plus 1 year of experience in software engineering or related experience.

Skills Required: Must have experience with: Building scalable Scala-Spark pipelines connecting RDBMS and Hive sources to GCP BigQuery using Dataproc clusters with Airflow orchestration to solve data analytics requirements; Designing data models and ETL pipelines using PySpark to support enterprise-level analytics requirements; Implemented data quality frameworks in Scala or PySpark with Data Plex integration and Collibra governance tools; Leading migration of on-premise data processing to cloud infrastructure with performance optimization to meet SLA requirements; Architecting near real-time Kafka-based pipelines for member screening and Risk Tech or AML dashboards; Designing and implementing ETL pipelines in DataStage and creating UNIX script for ETL flow; Redesigning and optimizing SQL queries for Hadoop and Orchestrating workflow in Oozie; Developing NLP and LLM-based machine learning models to automate ECCN and HTS code classification for exported items to support U.S. export filing requirements; Migrating analytics workflows from Greenplum to Hadoop with Spark; Building ETL pipelines and batch processes in DataStage for RDBMS data loading; Preparing and executing unit tests, troubleshooting defects, and ensuring system functionality; Designing ETL workflows across DataStage, Hadoop-Oozie, and Teradata environments with UNIX scripting; DataStage migration, including code review and production deployment; Developing BTEQ scripts for loading data into Teradata tables. Employer will accept any amount of experience with the required skills.

Rate of pay: $94,557.00 - 180,000.00/year

About Walmart

WalmartLabs is accelerating their development to redefine the shopping experience to meet the changing needs of our customers wherever they are —in a store, on our website, or on their mobile device.

Walmart Careers

Joining Walmart means becoming part of a world-renowned team that leads with innovation and is committed to creating impact. As the largest retailer globally, Walmart offers unparalleled job opportunities and career growth in an environment that values diversity and leadership. Work You’ll Do At Walmart, you will be part of a dynamic team that drives our mission to help people save money so they can live better. Engage in work that matters with a company that offers both stability and the flexibility to explore different career paths. Transform the retail landscape with your skills and help shape the future of millions of customers worldwide. Walmart is at the forefront of combining retail with advanced technology, making it an exciting place for professional growth and innovation. Lead with Us Step into a role that harnesses your potential and places you at the intersection of retail and technology. Walmart is not just a company; it's a community where you can develop your leadership skills and contribute to a culture that nurtures professional growth. Work with a diverse team of experts who bring a wealth of knowledge and experience to the table. Our commitment to diversity training ensures that all team members are valued and can thrive. Walmart Careers and Employment Opportunities We are continuously expanding our team to include enthusiastic professionals eager to drive change and make a significant impact. Explore a range of positions from entry-level to executive, each offering competitive benefits and the opportunity to advance. Innovate with Us Join Walmart and be part of a team that is dedicated to innovation and excellence. With over 2.3 million associates worldwide, you are joining the largest private employment group, ready to innovate, lead, and impact the global market. Internship Programs Kickstart your career with a Walmart internship. Gain invaluable experience, build your resume, and develop networking connections that will empower your career journey. Our internships provide a platform to apply your academic knowledge in real-world scenarios, preparing you for future employment. Be Part of a Great Team At Walmart, our team is our strength. We invest in our employees through robust training programs, leadership development, and opportunities for career advancement. Enjoy the benefits of working in a supportive and inclusive environment where every member’s contribution is valued. Future-Proof Your Career Your journey at Walmart can be as vast as your ambitions. With endless opportunities to grow, learn, and lead, you can take your professional experience to new heights. Benefit from our comprehensive training programs and develop the skills needed for tomorrow’s challenges. Stay Connected Join Our Team Search open positions that match your skills and interests. We are looking for passionate, curious, creative, and solution-driven team players. Explore the diverse job opportunities at Walmart and find where you can make a difference. Keep Up to Date Stay ahead with career tips, insider perspectives, and industry-leading insights you can put to use today—all from the people who work here. READ CAREERS BLOG Job Alert Emails Personalize your subscription to receive job alerts, latest news, and insider tips tailored to your preferences. Discover the exciting and rewarding opportunities that await at Walmart. SEARCH WALMART JOBS Join Walmart today and be part of a story of growth, innovation, and leadership.
Learn more about Walmart
Size
2,300 employees
Market Cap
$387 billion
Industry
Net Income
$13.5 billion
Founded
1962
5 Year Trend
+3.3%
Revenue
$559.1 billion
NASDAQ

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