Senior Staff Machine Learning Engineer, Ads Ranking (Fully Remote)

Reddit; United States; Remote; USD 180,000 - 280,000; Full time

Job summary

Reddit is redefining how ML models and agentic AI are built and scaled across a platform with thousands of communities. This role leads the modeling loop, accelerates development, and improves data-driven workflows with AI-assisted systems.

You will work with cross-functional teams to push the boundaries of ML engineering in production. Ideal candidates have deep modeling expertise, strong fundamentals in data and optimization, and senior proficiency in Python and modern ML frameworks,

Qualifications

• 9+ years of ML engineering experience with production impact.
• Deep modeling expertise and strong fundamentals in data and optimization.
• Strong coding in Python and fluency with modern ML frameworks.

Responsibilities

• Define and accelerate how we leverage agentic AI to transform ML models and workflows.
• Operate as a technical leader across the entire modeling loop.
• Enhance model quality and velocity with AI-assisted development systems.

Skills

ML engineering

Python

ML frameworks

Data fundamentals

Optimization

Job description

• Define and accelerate how we leverage agentic AI to transform ML models and workflows.
• Operate as a technical leader across the entire modeling loop.
• Enhance model quality and velocity with AI-assisted development systems.

What You'll Do:

• Develop advanced ML models and agentic workflows.
• Build reliable loops for data analysis, feature engineering, and experiment readouts.
• Design evaluation harnesses for model and workflow quality.

Qualifications:

• 9+ years of ML engineering experience with production impact.
• Deep modeling expertise and strong fundamentals in data and optimization.
• Strong coding in Python and fluency with modern ML frameworks.

Why Join Us:

• Domain-flexible platform to redefine ML engineering.
• Combine deep ML fundamentals with vanguard agentic AI.
• Collaborate with product, data science, and engineering teams.

Reddit

Reddit is a community of communities, built on shared interests, passion, and trust, and is home to the most open and authentic conversations on the internet. With 100,000+ active communities and approximately 130 million daily active unique visitors, Reddit is one of the internet’s largest sources of information.