Reddit is looking for a Staff Machine Learning Engineer to help drive the next generation of Reddit's ML ecosystem across recommendations, search, messaging, and foundational AI systems.

Company: Reddit, Inc.

Role: Staff Machine Learning Engineer, Consumer

Location: Remote - United States

Experience:

6+ years of experience building, deploying, and operating machine learning systems in production

Key Skills:

Python
Go
PyTorch
TensorFlow
ML frameworks
scalable ML pipelines
data processing systems
model serving infrastructure

Qualification:

Strong programming skills in Python, Go, or similar languages
ML Fundamentals: a strong grasp of algorithms, from classic statistical learning to DL architectures
Advanced degree in Computer Science, Machine Learning, or related quantitative field

Role Focus:

Architect, build, and deploy large-scale ML systems powering recommendations, search, messaging, and content understanding
Design and improve recommender systems and ranking models across surfaces
Optimize for user engagement, discovery, and long-term value
Build next-gen AI-powered search and recommendation experiences
Develop pipelines that help users find high-quality answers and content
Build and optimize content embeddings and representation models
Leverage and advance LLMs and multimodal models for deeper understanding and personalization
Evaluate model performance, improve accuracy, and reduce bias
Partner with Product, Data Science, Infra, and UX teams to solve complex problems
Translate ambiguous business needs into scalable ML solutions
Mentor engineers and raise the bar across the organization
Establish best practices for ML development, experimentation, and responsible AI

Nice to have:

Subject matter expertise in Recommender systems, search systems, advertising/auction systems, large-scale representation learning, or multimodal embedding systems
Familiarity with distributed systems and large-scale data processing frameworks
Experience working with real-time systems and low-latency production environments
Background in feature engineering, model optimization, and production monitoring
Experience with LLM/Gen AI techniques

Other:

Comprehensive Healthcare Benefits and Income Replacement Programs
401k with Employer Match
Global Benefit programs
Family Planning Support
Mental Health & Coaching Benefits
Pay Transparency: $230,000 - $322,000 USD base salary range
Equity in the form of restricted stock units
Commission (depending on the position offered)

Staff Machine Learning Engineer,

Skills Required

Description