Senior Staff Machine Learning Engineer, Ml Understanding

Reddit, Inc.

Remote, US
Base: $266,000 - $372,400 usd; equity: eligible fo...
Remote
10+ years production ml experience
Large-scale user modeling expertise
Llm and foundation model application
Reddit is seeking a Senior Staff Machine Learning Engineer to lead the development of user understanding initiatives aimed at enhancing personalization across its platform. The ideal candidate will have extensive experience in machine learning, particularly in user modeling and large-scale representation learning, and will be responsible for implementing innovative systems that utilize LLMs and foundation models

Job Summary

  • This role leads Reddit's next-generation user understanding initiative by building a unified, high-fidelity representation of each user to power personalization across the platform.
  • You will leverage LLMs and foundation models to evolve traditional user modeling approaches, enabling richer dynamic profiles and semantic reasoning over user behavior.
  • The position offers comprehensive healthcare benefits, 401k matching, flexible vacation, and generous paid parental leave alongside a base salary range of $266,000 to $372,400 USD.

Matching Summary

Match Score: 85

Reddit is seeking a Senior Staff Machine Learning Engineer to lead the development of user understanding initiatives aimed at enhancing personalization across its platform. The ideal candidate will have extensive experience in machine learning, particularly in user modeling and large-scale representation learning, and will be responsible for implementing innovative systems that utilize LLMs and foundation models.

Salary

Base: $266,000 - $372,400 USD; Equity: Eligible for restricted stock units; Benefits: Comprehensive healthcare, 401k match, paid parental leave

Skills & Requirements

Must-have

  • 10+ years production ML experience
  • Large-scale user modeling expertise
  • LLM and foundation model application
  • Embedding and behavioral signal processing
  • Scalable system design for high latency

Nice-to-have

  • Experience with GenAI shifts in ML
  • Strong product and impact orientation
  • Cross-team collaboration skills
  • Mentoring senior engineering talent
  • End-to-end system thinking

Key Requirements

  • At least 10 years of experience
  • Production-grade ML system scaling
  • User modeling and recommender systems background

Work Rights

Not specified

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