As a Senior Staff Machine Learning Engineer, you will design and build large-scale, end-to-end recommendation systems for Reddit's Notifications Relevance team. You will leverage machine learning and LLMs to deliver personalized content to users, driving growth and user engagement.
266k – 372k
Remote10+ YOEML Engineering
About the role
What You’ll Do
Contribute to advancing Reddit's growth by designing and implementing content discovery algorithms that prioritize a seamless and highly personalized user experience.
Deeply understand the Reddit Notifications product and drive the vision for the notifications relevance team.
Enhance core recommendation capabilities, including candidate retrieval, ranking models, and budgeting optimization, while designing and testing new pipeline components. You will also deploy ML models, integrate LLMs, and ensure robust monitoring and smooth product integration throughout the process.
Serve as the primary ML domain expert, deploying state-of-the-art models at scale, driving architectural decisions, and ensuring robust monitoring and smooth product integration across the engineering organization.
Collaborate across disciplines and with ML, Product, Infrastructure, and DS teams at Reddit to find technical solutions to complex challenges.
Mentor and guide senior and staff engineers in the team.
Partner closely with senior leadership and cross-functional org leads to shape long-term roadmaps, balancing immediate operational wins with strategic technical objectives.
Who You Are
10+ years of industry experience with deep expertise in large-scale recommendation systems, notifications experience preferred.
Proven ability to identify key opportunities, define roadmaps and drive scalable improvement in notifications relevance.
Strong experience in building and deploying large-scale ML models using frameworks such as PyTorch or Tensorflow.
Experience working with LLM in production and utilizing generative AI to augment recommendation systems
Proficiency in object-oriented programming (Python, Golang).
Big Plus: experience with state of the art model architectures
Big Plus: experience building production Agentic AI frameworks.
Benefits:
Comprehensive Healthcare Benefits and Income Replacement Programs
401k with Employer Match
Global Benefit programs that fit your lifestyle, from workspace to professional development to caregiving support
Family Planning Support
Gender-Affirming Care
Mental Health & Coaching Benefits
Flexible Vacation & Paid Volunteer Time Off
Generous Paid Parental Leave
Skills
PyTorchTensorFlowPythonGoLLMsGenerative AIRecommendation Systems
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