Senior Staff Machine Learning Engineer, Feed Relevance

Reddit; United States; Hybrid; USD 266,000 - 372,400; Full time

Benefits offered by this job

Comprehensive Healthcare Benefits

401k with Employer Match

Flexible Vacation

Mental Health & Coaching Benefits

Job summary

Reddit is seeking a Senior Staff Machine Learning Engineer for its Feed Relevance team, focusing on end-to-end systems that enhance user personalization. This role entails technical leadership, working closely with multiple teams to scale systems serving millions of users.

The ideal candidate has over 10 years of experience in relevance-driven architectures, strong communication skills, and the ability to advocate for users. Benefits include comprehensive healthcare, 401k, and generous paid leave policies.

Qualifications

• 10+ years of industry experience building systems for relevance driven products.
• Subject matter expert in relevance, recommendation, and ML systems.
• Deep understanding of sustainable software systems at large scales.
• Strong communication skills and high empathy.

Responsibilities

• Deliver on technical initiatives with significant company-wide impact.
• Set technical direction for Relevance and Feeds teams.
• Mentor and grow Senior and Staff engineers.
• Create a strong, healthy engineering culture.

Skills

Relevance driven product systems

Machine Learning systems

Cross-functional team collaboration

User experience focus

Job description

We’re looking for a Senior Staff Machine Learning Engineer to join our Feed Relevance team, responsible for the end-to-end systems powering personalization and ranking for the main Reddit feeds. This role blends hands‑on development with technical leadership, focusing on building scalable, extensible, and high‑performance personalization systems. You will define technical direction for the team, collaborate with Product and Engineering leadership on strategy, and work with other contributors to execute and scale systems that serve tens of millions of users. You will also partner with Infra and Platform teams to inform infrastructure direction for ML at Reddit.

Responsibilities

• Deliver on technical initiatives that have significant company-wide impact
• Set technical direction for the broader Relevance and Feeds teams at Reddit, able to identify opportunities and influence strategy across multiple orgs
• Work with management on goal setting, planning, and de-risking critical projects
• Mentor and grow Senior and Staff engineers
• Create a strong healthy engineering culture

Qualifications

• 10+ years of industry experience building systems for relevance driven products
• Subject matter expert in relevance, recommendation, and ML systems; able to solve complex problems in these domains that few others can
• Deep understanding of how to build sustainable software systems at a large scale engineering organization
• Experience in influencing organizations on technical direction/best practices
• Experience working with cross-functional teams such as design, product, business & data teams to deliver great experiences
• Strong focus on user experience, usability, scalability, reliability and quality. You are an undying advocate for the user, and you have a deep intuition for how people & machines interact with software at scale
• High empathy, excellent communication skills, and the ability to find compromise working across the entire engineering org

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

Pay Transparency: Base salary range for this position is $266,000–$372,400 USD.

Reddit is proud to be an equal opportunity employer, and is committed to building a workforce representative of the diverse communities we serve. Reddit is committed to providing reasonable accommodations for qualified individuals with disabilities and disabled veterans in our job application procedures. If, due to a disability, you need an accommodation during the interview process, please let your recruiter know.