Senior Staff Machine Learning Engineer, Feed Relevance

EngineersOfAI; Northern (KY); On-site; USD 180,000 - 240,000; Full time

Benefits offered by this job

Healthcare & Income Replacement

401k with match

Generous time off and parental leave

Equity & RSU

Job summary

Reddit seeks a Senior Staff Machine Learning Engineer, Feed Relevance, to drive GenAI-powered recommendations for tens of millions of users. You will shape core ranking architectures and influence broad technical strategy across the Relevance and Feeds teams.

The role emphasizes leadership, mentorship, and building reliable, scalable ML systems with a strong user-centric focus. Remote-friendly environment with competitive benefits and equity.

Qualifications

• 10+ years of industry experience building relevance-driven ML systems.
• Subject matter expert in relevance, recommendations, and ML architectures.
• Experience delivering at scale in large engineering organizations.
• Ability to influence technical direction across multiple teams.
• Strong focus on usability, reliability, and software quality.

Responsibilities

• Deliver on high-impact, company-wide initiatives.
• Set technical direction for Relevance and Feeds teams at Reddit across orgs.
• Collaborate with management on planning and de-risking projects.
• Mentor and grow senior and staff engineers.
• Foster a strong, healthy engineering culture.

Skills

10+ years experience

Relevance systems

Large-scale software

Cross-functional collaboration

User experience focus

Communication skills

Job description

As a Senior Staff Machine Learning Engineer, Feed Relevance, you'll drive the development of GenAI-powered recommendations, leveraging Reddit’s unique community landscape, rich conversational data, and dynamic engagement patterns. Your deep modeling expertise will directly shape the core architectures behind feed ranking, enabling breakthrough personalization for tens of millions of users.

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

#LI-remote, #LI-JS5

Pay Transparency:

This job posting may span more than one career level.

In addition to base salary, this job is eligible to receive equity in the form of restricted stock units, and depending on the position offered, it may also be eligible to receive a commission. Additionally, Reddit offers a wide range of benefits to U.S.-based employees, including medical, dental, and vision insurance, 401(k) program with employer match, generous time off for vacation, and parental leave. To learn more, please visit https://www.redditinc.com/careers/.

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