Reddit

Senior Staff Machine Learning Engineer, GenAI Platform

Reddit
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6 months ago
Remote, United StatesStaff+
H1B sponsor

Base Salary

$293k - $410k/yr

Responsibilities

  • Lead the vision, strategy, roadmap, architecture, and operating model for Reddit’s large-scale GenAI Platform.
  • Design, implement, and maintain the LLM Gateway with unified APIs for internally and externally hosted LLMs.
  • Develop rate and token limit management, intelligent failover, resilience, scalability, and reliability capabilities.
  • Shape the enterprise-grade RAG system and strategic direction for agentic AI workflows and tool-use patterns.
  • Own platform strategy from concept through production adoption and long-term evolution.
  • Drive MLOps and LLMOps standards for deployment, testing, versioning, evaluation, and lifecycle management.
  • Define observability, monitoring, governance, and operational excellence practices for GenAI systems.
  • Partner with engineering, product, and leadership teams to align platform investments with company priorities and user needs.
  • Influence technical direction across teams while championing platform usability, performance, and developer experience.

Requirements

  • 10+ years of experience in ML Engineering, AI Platform Engineering, or Cloud AI Deployment roles.
  • Track record of leading technical strategy and delivering AI platforms in cloud-based production environments at scale.
  • Experience operating Kubernetes and other orchestration systems in large-scale production environments.
  • Deep experience with cloud-based ML platform technologies, including AWS, Google Cloud Storage, and Terraform.
  • Proficiency in ML programming languages and frameworks, including Go and Python.
  • Strong communication skills for explaining technical AI concepts to non-technical stakeholders.
  • Strong knowledge of model serving, inference pipelines, monitoring, and observability for AI systems is a plus.

Benefits

  • Comprehensive healthcare benefits and income replacement programs.
  • 401(k) with employer match.
  • Global benefits supporting workspace, professional development, and caregiving.
  • Family planning support.
  • Gender-affirming care.
  • Mental health and coaching benefits.
  • Flexible vacation and paid volunteer time off.
  • Generous paid parental leave.
  • Interview recording, transcription, and AI summarization may apply, with an option to opt out.
  • The role is a U.S.-based position with a stated base salary range of $292,500–$409,500 USD.
Reddit

About Reddit

5,001-10,000 employees

Reddit builds a social news and discussion platform organized into user-created forums (“subreddits”) for consumers, creators, and communities. It monetizes primarily through advertising tools for brands and self-serve advertisers, plus a Premium subscription; developers can access data via its API. Founded in 2005 and headquartered in San Francisco, Reddit became a public company on the NYSE in 2024 and hosts over 100,000 active communities.

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