Principal Software Engineer - Telemetry

Walmart Stores SUNNYVALE, CA

About the Job

Position Description


  • You will be developing data collection, distribution, and delivery systems that meet the realtime, near realtime and batched information needs of the Business.
  • You'll work on bringing telemetry datasets in our data lake environment.
  • You will help in design of new systems or the redesign of existing systems to meet business requirements, changing needs, or newer technology
  • Excellent written and verbal communication skills for diverse audiences on engineering subject matter
  • Ability to document requirements, data lineage, subject matter in both business and technical terminology.
  • Guide and learn from other team members.
  • Demonstrated ability to transform business requirements to code, specific analytical reports and tools
  • This role will involve coding, analytical modeling, root cause analysis, investigation, debugging, testing and collaboration with the business partners, product managers other engineering team.
  • Be knowledgeable in all aspects of designing and constructing data warehouses and operational data stores in technologies like Teradata and Hadoop.
  • Design of new systems or the redesign of existing systems to meet business requirements, changing needs, or newer technology
  • Ruthlessly prioritize and tweak where needed to ensure business needs are being met consistently.
  • Your passion, communication skills, and ability to work well with others are skills that will be assessed and are critical to you being selected for this position.
  • Promote and support company policies, procedures, mission, values, and standards of ethics and integrity
  • Provide supervision and development opportunities for associates
  • Work with enterprise architects, product owners, data scientists and engineers and business to bring big data and data science R&D projects into Production.
  • Ability to learn, adopt, and apply new technologies.
    #LI-SN1

    Minimum Qualifications


  • Very Strong engineering skills. Should have an analytical approach and have good programming skills.
  • BS/MS in Computer Science or equivalent, with 12 or more years in software engineering, design and architecture
  • Demonstrated background in developing software systems and excellent SQL skills
  • Knowledge/experience on Physical Design and Implementation
  • Advanced SQL (preferably Teradata)
  • Experience working with large data sets, experience working with distributed computing (MapReduce, Hadoop, Hive, Pig, Apache Spark, etc.).
  • Strong Hadoop scripting skills to process petabytes of data
  • Experience in Unix/Linux shell scripting or similar programming/scripting knowledge
  • Experience in ETL processes
  • Real time data ingestion (Kafka)
  • Hands on experience with Cassandra
  • Real time data ingestion with Spark
  • Flexible, adaptable, and able to autonomously manage multiple tasks in dynamic, fastpaced,iterative development environment with short turnaround times

    Additional Preferred Qualifications


  • Fluency in Java, JavaScript, Go, Bash, Ansible
  • Deep understanding and experience with Kafka, Cassandra, Solr/ElasticSearch
  • Deep understanding of HTTP semantics
  • Experience in data science & machine learning

    Company Summary


    The Walmart eCommerce team is rapidly innovating to evolve and define the future state of shopping. As the world’s largest retailer, we are on a mission to help people save money and live better.  With the help of some of the brightest minds in technology, merchandising, marketing, supply chain, talent and more, we are reimagining the intersection of digital and physical shopping to help achieve that mission.

    Position Summary



    • You will be developing data collection, distribution, and delivery systems that meet the realtime, near realtime and batched information needs of the Business.
    • You'll work on bringing telemetry datasets in our data lake environment.
    • You will help in design of new systems or the redesign of existing systems to meet business requirements, changing needs, or newer technology
    • Excellent written and verbal communication skills for diverse audiences on engineering subject matter
    • Ability to document requirements, data lineage, subject matter in both business and technical terminology.
    • Guide and learn from other team members.
    • Demonstrated ability to transform business requirements to code, specific analytical reports and tools
    • This role will involve coding, analytical modeling, root cause analysis, investigation, debugging, testing and collaboration with the business partners, product managers other engineering team.
    • Be knowledgeable in all aspects of designing and constructing data warehouses and operational data stores in technologies like Teradata and Hadoop.
    • Design of new systems or the redesign of existing systems to meet business requirements, changing needs, or newer technology
    • Ruthlessly prioritize and tweak where needed to ensure business needs are being met consistently.
    • Your passion, communication skills, and ability to work well with others are skills that will be assessed and are critical to you being selected for this position.
    • Promote and support company policies, procedures, mission, values, and standards of ethics and integrity
    • Provide supervision and development opportunities for associates
    • Work with enterprise architects, product owners, data scientists and engineers and business to bring big data and data science R&D projects into Production.
    • Ability to learn, adopt, and apply new technologies.



    Work locations: successful hires can be located in Sunnyvale, CA, San Bruno, CA, Carlsbad, CA, Bentonville, AR or may potentially work remote on a part-time basis at management's discretion.