Demo

Senior, Data Scientist

Aitopics
San Bruno, CA Full Time
POSTED ON 2/17/2025
AVAILABLE BEFORE 5/1/2025

Walmart

This role is part of Walmart’s eCommerce Analytics Platform Enablement team.

The position works on data and workflow management platform enablement, infrastructure, data integration, and supports the development of data products to enable eCommerce Analytics to achieve a broad range of objectives. Central to these efforts will be a passion for ensuring that the team’s technology and data solutions are well tailored to help drive the business and address the needs of stakeholders in our ever-changing customer environment. This position supports a broad range of internal constituents and external partners, and requires a combination of skills and experience, communication and relationship development, infrastructure management, and automation at scale in cloud-based computing environments, and a strong knowledge of data processing optimization techniques and distributed systems.

Responsibilities :

  • Work with Walmart’s Data Platform Enablement team.
  • Responsible for Walmart’s data platform, data processing, data integrations and data solutions working with internal and external partners. The broader team is currently on a transformation path, and this role will be instrumental in enabling the broader team’s vision.
  • System administration, security compliance, and internal tech audits.
  • Responsible for operational excellence initiatives which include efficient use of data platform resources, identifying optimization opportunities, forecasting capacity, etc.
  • Design and implement different flavors of architecture to deliver better system performance and resiliency.
  • Identify opportunities to build automated processes and tools to improve efficiency.
  • Develop capability requirements and transition plan for the next generation of data enablement technology, tools, and processes to enable Walmart to efficiently improve performance with scale.
  • Drive best practices and standards around the usage of data platforms and tools.
  • Implement data governance practices. Handle business and technology issues related to management of enterprise information assets and approaches related to data protection.

Skills :

  • Administering Dataproc and Airflow. Ability to create, maintain, scale, and debug production ephemeral and long-run Dataproc clusters as a Dataproc administrator.
  • Deep understanding of data center architectures, networking, storage solutions, and scale system performance.
  • Technical knowledge of big data analytics, optimization techniques, and data pipeline acceleration. Experience deploying and maintaining large-scale data pipeline in production. Experience deploying data science models and reporting solutions at scale, preferably with building Data tools from the ground up.
  • Understanding of Cloud platforms such as GCP (preferred) and Azure and the difference between IaaS, CaaS, PaaS, etc.
  • Strong experience with Apache ecosystem especially Spark, Hadoop, Hive, Kafka, Tez, Airflow and different data formats such as parquet, orc, avro, etc.
  • Familiar with DevOps best practices and cloud native technologies.
  • Programming experience in SQL, Python (preferred), R, Scala, Java, or Bash.
  • Experience with BigQuery, Presto, CloudSQL, MSSQL, Cassandra, and Mongo DB is a plus.
  • Experience with PySpark, SparkSQL, MLlib, and Spark Rapids on GPUs is a plus.
  • Experience setting up logging and monitoring tools, and helping to debug complex data pipelines.
  • Education & Experience :

  • 5 years of relevant experience in roles with responsibility over data platforms and data operations dealing with large volumes of data in cloud based distributed computing environments.
  • Graduate degree preferred in a quantitative discipline (e.g., engineering, economics, math, operations research).
  • Flexible, hybrid work :

    We use a hybrid way of working that is primarily in office coupled with virtual when not onsite. Our campuses serve as a hub to enhance collaboration, bring us together for purpose and deliver on business needs. This approach helps us make quicker decisions, remove location barriers across our global team and be more flexible in our personal lives.

    Benefits :

    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.

    Equal Opportunity Employer :

    Walmart, Inc. is an Equal Opportunity Employer – By Choice. We believe we are best equipped to help our associates, customers

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