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Principal / Senior Software Engineer (San Francisco OR Seattle)

This position could be filled either in our client’s San Francisco HQ office or their Seattle office.

 

Primary responsibilities:

  • Building high performance systems for personalization, optimization, and targeting
  • Coordinating with a research team to move prototypes into production
  • Contributing to algorithm design, research and scalability
  • Building systems with Hadoop and Spark (MLib, GraphX), Mesos, Marathon
  • Designing and implementing data pipelines to support data needs for machine learning (both batch and online), reporting, monitoring and alerting. (Crunch, Cassandra, HBase, Hive, Presto, no-SQL databases)
  • Software engineering in Java and optionally Scala
  • Working with rapid development methodologies such as Continuous Delivery and SCRUM
  • Automating tests at various levels, including end to end integration testing with synthetic known data, unit testing with JUnit, performance testing and tuning
  • Coordination with internal and external teams
  • Mentoring junior engineers

 

Minimum requirements:

  • BS/MS in CS, Electrical Engineering or foreign equivalent
  • At least 5+ years of software development experience
  • Expert in Java, Scala or any other object oriented language
  • Experience with HDFS and Spark
  • Proficient in data modeling with advanced knowledge of data structures
  • Additional language skills for scripting and rapid application development

 

Desired skills and experience:

  • Production experience with big data (high volume, high velocity) systems
  • Knowledge of numerical programming, data science, machine learning and/or statistics a strong plus
  • Familiarity with UNIX (systems skills a plus)
  • Working in a distributed environment and has dealt with challenges around scaling and performance

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