Head of ML for Media Ranking & Personalization

EngineersOfAI; United States; Hybrid; USD 170,000 - 260,000; Full time

Benefits offered by this job

Comprehensive He

Job summary

Reddit is seeking an experienced Senior Engineering Manager to lead the Media Ranking ML teams, focusing on improving relevance, personalization, and discovery for the core product. You will guide a high-impact group of ML engineers and shape initiatives that affect hundreds of millions of daily users.

You will drive technical strategy, mentor engineers, and collaborate across teams to deliver scalable, responsible AI solutions in a fast-paced environment.

Qualifications

• 5+ years of experience building and managing high-performing ML teams.
• Hands-on experience with large-scale production ML systems (transformers, sequence models, or LLMs).
• Strong understanding of recommender systems, evaluation, and measurement strategies.
• Ability to develop and communicate a clear technical strategy aligned with company objectives.
• Proven ability to collaborate across functions and drive responsible AI initiatives.

Responsibilities

• Define technical vision and long-term roadmap for Feed Relevance.
• Coach and develop your team to maximize impact.
• Collaborate with cross-functional partners to identify opportunities and set expectations.
• Oversee design, development, and optimization of relevance, discovery, and content distribution systems.
• Partner with platform and infra teams to advance AI-powered solutions for Reddit.
• Maintain high standards for performance, reliability, and responsible AI principles.
• Support recruiting to attract and hire diverse ML engineers.

Skills

Leading ML teams

Deep ML expertise

Technical domain knowledge

Strategic thinking

Impact-driven mindset

Communication & collaboration

Job description

Reddit is a community of communities. It’s built on shared interests, passion, and trust, and is home to the most open and authentic conversations on the internet. Every day, Reddit users submit, vote, and comment on the topics they care most about. With 100,000+ active communities and approximately 130 million daily active unique visitors, Reddit is one of the internet’s largest sources of information. For more information, visit www.redditinc.com.

We're looking for an experienced Senior Engineering Manager to lead our Media Ranking teams. In this role, you’ll lead a high-impact team of Machine Learning Engineers dedicated to improving relevance, personalization, and discovery of the core product. Reddit is investing big on making media (video and audio) as the core components of our experience around which conversations happen and users connect with the community. Your work will directly shape the personalized experiences of over 120M+ daily users.

Responsibilities:

• Define Technical Vision & Strategy: Define the technical vision and long-term roadmap for Feed Relevance, aligning cutting-edge ML solutions with Reddit’s product and business objectives.
• Team Leadership & Development: Coach and support the development of your team, constantly seeking opportunities to grow their skills and impact.
• Cross-Functional Partnership: Work with cross-functional partners from across the company to identify key areas of opportunity, set expectations, and communicate your team’s work.
• Technical Execution & Delivery: Oversee the design, development, and optimization of sophisticated relevance, discovery, and content distribution systems.
• Platform & Infrastructure Collaboration: Collaborate with platform and infrastructure teams to chart a path to the next generation of AI-powered solutions for Reddit.
• Operational Excellence: Maintain high standards for system performance, reliability, and efficiency in alignment with customer needs and responsible AI principles.
• Recruiting & Growth: Partner with our incredible recruiting team to attract, interview, and hire diverse and talented machine learning engineers, growing a world-class team.

Qualifications:

• Experience Leading ML Teams: 5+ years of experience building and managing high-performing ML teams.
• Deep ML Expertise: Hands-on experience with large-scale production ML systems, including transformer-based architectures, sequence models, or Large Language Models (LLMs).
• Technical Domain Knowledge: Strong understanding of recommender systems, including candidate retrieval, ranking, value modeling, ecosystem dynamics, and measurement strategies.
• Strategic Thinking: Ability to develop and communicate a clear, compelling technical strategy that supports broader company objectives and addresses the needs of internal customers.
• Impact-Driven Mindset: Passion for developing scalable, well-designed, and responsible AI solutions that drive business value.
• Exceptional Communication & Collaboration: Strong interpersonal skills and a collaborative mindset, with the ability to effectively communicate complex technical topics to diverse audiences and build strong relationships with cross-functional partners.

Benefits:

• Comprehensive He