Jobs @ Polymorph

Sr. Machine Learning Engineer


  • Build core machine learning algorithms/system used for ad server
  • Architect and design scalable solutions for complex big-data challenges
  • Lead the development, testing, and maintenance of production-level algorithms and models for solutions such as ad personalization, relevancy, optimization, forecasting and pacing.
Minimum qualifications
  • BS in Computer Science, Software Engineering or a related field or equivalent practical experience.
  • Experience with object oriented programming in Python, Java or similar language
  • Experience with machine learning tools and languages such as MatLab, R, Scala, Hadoop or self-serve modeling tools.
  • Strong academic background and experience in Machine Learning and Statistics
  • Working knowledge of databases (SQL and NoSQL), including: MySQL, MongoDB,, AeroSpike, Redis, etc.
  • Strong background in analytics, data processing, and data warehousing.
Preferred qualifications
  • MS+ degree in related field with 3 years experience or 5+ years of industry experience with big data applications for real-world business problems.
  • Strong experience and proven record in improving engagement and revenue in ad tech industry
  • Experience developing large-scale distributed systems, using tools such as Hadoop/EMR/Spark/Storm/Kafka, etc.
  • Working knowledge of machine-learning techniques for classification, regression, clustering, and anomaly detection.
  • Ability and comfort working independently and making key decisions on projects
  • Ability to adapt and resolve ambiguous and conflicting requirements, and to work in a team environment to collaborate with others to clarify and document requirements
  • Excellent interpersonal, written, and verbal communication skills
  • Strong coordination and project management skills to handle complex projects
  • Strong desire to learn about and solve complex problems on a daily basis
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