Senior, Data Engineer

Walmart-posted 3 days ago
$90,000 - $180,000/Yr
Full-time • Mid Level
Onsite • Bentonville, AR
5,001-10,000 employees
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We're looking for a Senior Data Engineer to join our team dedicated to the Associate Productivity Experience APEX org within EBS Walmart Global Tech. In this high-impact role, you will design and build next-generation, AI-based data solutions that directly influence the day-to-day operations of Walmart across multiple global markets. The ideal candidate has deep expertise in Big Data and Google Cloud Platform (GCP) technologies, coupled with knowledge of AI engineering principles. You will be challenged with unparalleled complex business problems that spans across multiple countries, large number of users and data. About Team: Associate Productivity and Experience (APEX) The Enterprise People Technology team supports the successful deployment and adoption of new People technology across the enterprise. As a Fortune #1 company, our work impacts millions of associates globally. We strive to continuously improve people technology and products to help managers and associates so they can focus on what matters most - supporting our customers and members. People Technology is one of the major segments of Walmart Global Tech’s Enterprise Business Services, which is invested in building a compact, robust organization that includes service operations and technology solutions for Finance, People, and the Associate Digital Experience. Enterprise Business Services (EBS) is invested in building a compact, robust organization that includes service operations and technology solutions for Finance, People & Associate Productivity and Experience (APEX) early Associate Experience Digital Transformation (ADET). Our Associate Productivity and Experience (APEX) organization which supports a large heterogenous enterprise environments and builds software products to enhance associate’s productivity and mobility through innovative AI solutions, seamless experience and continuous improvement.

  • 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 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: Analyses 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. Analyses data-related system integration challenges and proposes appropriate solutions.
  • 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. Demonstrates up-to-date expertise and applies this to the development, execution, and improvement of action plans by providing expert advice and guidance to others. Supporting and aligning efforts to meet customer and business needs and building commitment for perspectives and rationales.
  • Bachelor’s degree in Computer Science or related technical field.
  • 8+ years of relevant experience on Scala/Python (PySpark), Distributed Databases, Kafka with solid hands-on multi-threading, functional programing etc.
  • A good understanding of CS Fundamentals, Data Structures, Algorithms and Problem Solving.
  • Professional hand-on experience in Sql and Query Optimization.
  • Experience in building frameworks for data ingestions and consumptions patterns.
  • Experience with Orchestration tools like Airflow ( preferred) , Automic , etc.
  • Hand-on experience in Data processing and Data manipulation.
  • Expertise with GCP cloud and GCP data processing tools, platforms and technologies like GCS, DataProc, DPaaS, BigQuery, Hive etc.
  • Experience with Streaming data via Kafka or structured streaming etc.
  • CI/CD Automation experience with tools like Git, Jenkins and looper
  • Exposure to visualization tools for data reporting such as Tableau, PowerBI, Looker etc.
  • Excellent communication skills for collaborating with teams.
  • Knowledge of LLM agent development, prompt engineering, and experience fine-tuning LLMs (is good to have)
  • We value candidates with a background in creating inclusive digital experiences, demonstrating knowledge in implementing Web Content Accessibility Guidelines (WCAG) 2.2 AA standards, assistive technologies, and integrating digital accessibility seamlessly.
  • The ideal candidate would have knowledge of accessibility best practices and join us as we continue to create accessible products and services following Walmart’s accessibility standards and guidelines for supporting an inclusive culture.
  • Beyond our great compensation package, you can receive incentive awards for your performance.
  • Other great perks include 401(k) match, stock purchase plan, paid maternity and parental leave, PTO, multiple health plans, and much more.
  • 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, company discounts, Military Leave Pay, adoption and surrogacy expense reimbursement, and more.
  • You will also receive PTO and/or PPTO that can be used for vacation, sick leave, holidays, or other purposes.
  • Live Better U is a Walmart-paid education benefit program for full-time and part-time associates in Walmart and Sam's Club facilities. Programs range from high school completion to bachelor's degrees, including English Language Learning and short-form certificates. Tuition, books, and fees are completely paid for by Walmart.
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