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Machine Learning Engineer - Data Science Cortex - Twitter


San Francisco, California
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Job Details

Machine Learning Engineer- Data Science Cortex

San Francisco, CA


Who We Are

As a centralized machine learning team within Twitter, Cortex builds a platform bringing deep learning and AI to all of Twitter products, Periscope and revenue, and enables data/research scientists across the company. We are also contributing our work back to the open-source community!


What You'll Do

You will work with our team of machine learning, data science experts and software engineers to design, architect and maintain the next iterations or our data science platform, used all through the company. You will be a cornerstone in transforming Twitter through the best data and model exploration tools. You will have the option to work closely with our internal customers, as well as contribute to the open source community.


Who You Are

You have a passion for machine learning and improving the ways people consume the world, live. You are excited to join an incredibly talented, and fun team which loves to take on new challenges. You like a fast-paced & fun environment, believe in Twitter's mission in the world and want to be a core actor in pushing it forward.



  • Experience with "Big Data" platforms (Spark, Hadoop, MapReduce, …)
  • Excellent understanding of the JVM
  • Experience with software engineering best practices (e.g. unit testing, code reviews, design documentation)
  • Strong algorithms and data structures background
  • BS, MS, or PhD in Computer Science, Data Science/Analytics or equivalent work experience



  • Experience with Spark/PySpark
  • Familiar with Scala
  • Experience with using Jupyter notebooks on a data analytics/modeling task
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