Sr. Open Source Developer

Sr. Open Source Developer

What you'll do

We are seeking a Sr. Open Source Developer professional in our San Bruno, CA office.

Duties: Help build smart data pipeline systems that ingest, model and analyze massive flow of data from online, social, mobile and offline commerce/user activity to set key business attributes for millions of products in real time using Apache Storm, Hadoop and Hive. Use cutting edge machine learning, data mining and optimization algorithms underneath it all to analyze all this data on top of Hive. Build compelling data visualizations and interactive dashboards to showcase the system and analytic metrics internally and externally. Be the sole developer responsible for building and implementing web applications using open source technologies such as Ruby on Rails, Javascript, HTML that derive insight and project value in multi-petabyte data sets. Have a direct impact on revenue at the core of the company by maximizing the effectiveness of our data. Help the team evaluate, leverage and contribute to open source technologies wherever possible.

Minimum Qualifications

Minimum education and experience required: Bachelor of Science degree or equivalent in Mathematics (Statistics), Industrial Engineering (Operations Research), Computer Science, or a related technical discipline and 3 years of open source development experience.

Skills required: Demonstrated knowledge of the following programming Languages: Java, Ruby on Rails, Python. Experience with Javascript, XML and HTML. Large Scale ETL pipeline design experience. Realtime ETL pipeline design experience. Database design experience. System performance metrics Analytics experience. Experience with Apache kafka and Apache Storm. Cloud based software system design. Demonstrated knowledge of Postgres and Mysql. Open Source Software Integration experience. Any amount of experience with the required skills is acceptable.


Wal-Mart is an Equal Opportunity Employer.

Preferred Qualifications

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Walmart Associate
"I feel like my manager wants to help me become a better developer and a better person overall."
— Roel, Program Analyst

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All the benefits you need for you and your family

  • Multiple health plan options
  • Vision & dental plans for you & dependents
  • Associate discounts in-store and online
  • Financial benefits including 401(k), stock purchase plans and more
  • Education assistance for Associate and dependents

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