Senior Applied Data Scientist

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Abnormal Security

πŸ“Remote - Canada

Summary

Join Abnormal Security as an Applied Data Scientist to contribute to building a high-recall detection engine for message attacks, utilizing machine learning and behavioral AI.

Requirements

  • 5+ years experience designing, building product machine learning applications in one of the domains of text understanding, entity recognition, NLP experience, computer vision, recommendation systems, or search
  • Experience with data analytics and wielding SQL+pandas framework to both build metric and evaluation pipelines, and answer critical questions about counterfactual treatments
  • Ability to understand business requirements thoroughly and bias toward designing a simplest yet generalizable ML model / system that can accomplish the goal
  • Ability to rapidly iterate on 0-to-1 model prototypes, interpret results, and pivot an approach, in order to evaluate most promising solutions as new problems arise
  • Uses a systematic approach to debug data issues within both ML and heuristics models
  • Fluent with Python and machine learning toolkits like numpy, sklearn, pytorch and tensorflow
  • Effective programming skills which enable them to quickly add incremental logic to our codebase with readable, well tested and efficient code
  • BS degree in Computer Science, Applied Sciences, Information Systems or other related engineering field

Responsibilities

  • Deep inspection and row level data analysis of our false negatives and false positives
  • Produce data and feature insights to iteratively improve our detection efficacy
  • Understand features that distinguish safe emails from email attacks, and utilize them effectively into our models stack and engine
  • Train models and develop detectors on well-defined datasets to improve model efficacy on specialized attacks
  • Identify and recommend new features groups or ML model approaches that can significantly improve detection efficacy for a product
  • Work with infrastructure & systems engineers to productionize signals to feed into the detection system
  • Writes code with testability, readability, edge cases, and errors in mind
  • Actively monitor and improve FN rates and efficacy rates for our message detection product attack categories
  • Contribute in other areas of the stack: building and debugging data pipelines, or presenting results back to customers in our tools when the occasion arises
This job is filled or no longer available

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