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Enigma

Senior Machine Learning Engineer, Match Team

Enigma
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15 days ago
Los Angeles, CA, USA or New York, NY, USASenior

Base Salary

$160k - $210k/yr

Responsibilities

  • Develop innovative solutions to complex problems in information retrieval and ranking.
  • Build and optimize low-latency, high-throughput search APIs and retrieval systems.
  • Evaluate and evolve the search technology stack and drive technical design decisions.
  • Lead end-to-end work from research design through experimentation and delivery.
  • Design evaluation frameworks for measuring relevance and user engagement.
  • Improve query understanding using embedding models and hybrid retrieval techniques.
  • Detect and investigate anomalies in search performance and ranking behavior.
  • Collaborate with Product, Engineering, and client stakeholders to enhance search experience.
  • Mentor teammates to improve experimentation rigor and operational excellence.

Requirements

  • 5+ years of experience in machine learning, software engineering, or data-intensive product systems.
  • Strong programming proficiency in Python and experience with AWS.
  • Expertise in two or more technical domains: information retrieval, ranking systems, NLP, or distributed systems.
  • Experience designing and operating high-scale backend systems or APIs.
  • Strong judgment in ambiguous environments with noisy relevance signals.
  • Ability to communicate technical concepts to both technical and non-technical audiences.
  • Thrives in collaborative environments with strong ownership.
  • Advanced degree in a quantitative discipline or equivalent industry experience.

Tech Stack

AWSElasticsearchPython

Categories

AI & MLBackendData Science