Staff Machine Learning Engineer, Notifications Relevance

Reddit, Inc.

Staff Machine Learning Engineer at Reddit driving ML system development for notifications relevance. Designing algorithms for personalized user experiences and collaborating with diverse teams.

Posted 6/17/2026full-timeRemote • 🇺🇸 United StatesLead💰 $230,000 - $322,000 per yearWebsite

Tech Stack

Tools & technologies

GoPythonPyTorchTensorflow

About the role

Key responsibilities & impact

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

Requirements

What you’ll need

8+ 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

Comp & perks

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

ATS Keywords

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Hard Skills & Tools

large-scale recommendation systemsML modelsPyTorchTensorFlowobject-oriented programmingPythonGolanggenerative AIstate of the art model architecturesproduction Agentic AI frameworks

Soft Skills

collaborationproblem-solvingcommunicationvision drivingroadmap definitionopportunity identificationscalable improvement