Reddit Logo

Reddit

Machine Learning Manager - Ads Retrieval

Job Posted 21 Days Ago Reposted 21 Days Ago
Be an Early Applicant
Remote
Hybrid
Hiring Remotely in Ontario, ON
Mid level
Remote
Hybrid
Hiring Remotely in Ontario, ON
Mid level
The Machine Learning Manager will oversee ML model development, mentor the team, collaborate cross-functionally, and set the strategic vision for ad retrieval at Reddit.
The summary above was generated by AI

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 101M+ daily active unique visitors, Reddit is one of the internet’s largest sources of information. For more information, visit redditinc.com.


The Ads Retrieval team is dedicated to identifying and sourcing the most relevant, engaging, and high-quality ad candidates from a vast pool of possibilities. By building and refining large-scale indexing and retrieval systems capable of handling millions to billions of candidates—and leveraging advanced machine learning models and infrastructure—we enable optimal downstream ranking and delivery. As we evolve Reddit’s advertising business, the Ads Retrieval team plays a critical role in ensuring a strong supply of relevant ads that meet both user engagement goals and advertiser performance targets. We are seeking a Manager with deep ML expertise, strategic vision, and strong leadership to define and execute the team’s roadmap.

Responsibilities:

  • Set Technical Vision & Strategy: Define and execute a comprehensive roadmap for ads retrieval that balances innovation, efficiency, and business impact.
  • Oversee Model & System Development: Guide the end-to-end ML model development process—from data processing and training to deployment—and ensure the retrieval systems are robust and scalable.
  • Mentor & Grow Your Team: Recruit, mentor, and retain top ML talent while fostering a collaborative, inclusive, and high-performing culture.
  • Cross-Functional Collaboration: Partner with Product Managers, Data Scientists, and other engineering teams to align retrieval strategies with product requirements and key performance indicators (KPIs).
  • Continuous Improvement: Advocate for model quality, system reliability, and operational excellence. Identify and implement opportunities to enhance ML engineer productivity and overall team performance.

Requirements:

  • At least 2 years of engineering management experience, leading ML or related technical teams.
  • A minimum of 6 years of experience with large-scale ML, ideally in information retrieval, recommendation systems, or advertising.
  • At least 4 years of hands-on experience with ML frameworks such as TensorFlow or PyTorch.
  • Proven experience deploying ML models to production and measuring their performance using both technical and business metrics.
  • Familiarity with advertising ecosystems, marketplace dynamics, and candidate retrieval processes is a significant plus.

Benefits:

  • Comprehensive Health benefits
  • Retirement Savings plan with matching contributions
  • Workspace benefits for your home office
  • Personal & Professional development funds
  • Family Planning Support
  • Flexible Vacation & Reddit Global Days Off

#LI-Remote


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 you need assistance or an accommodation due to a disability, please contact us at ApplicationAssistance@Reddit.com.

Top Skills

Machine Learning
PyTorch
TensorFlow

Similar Jobs

Yesterday
Easy Apply
Remote
30 Locations
Easy Apply
Senior level
Senior level
Cloud • Security • Software • Cybersecurity • Automation
As a Senior Fullstack Engineer in Technical Writing at GitLab, you will enhance and maintain the documentation site by developing features, improving performance, collaborating with stakeholders, and supporting the Technical Writing team.
Top Skills: Ci/CdHugoJavaScriptRuby on RailsRubyVue
Yesterday
Easy Apply
Remote
31 Locations
Easy Apply
Senior level
Senior level
Cloud • Security • Software • Cybersecurity • Automation
The Principal Engineer, Analytics leads technical direction for analytics initiatives, mentors teams, conducts high-complexity problem-solving, and engages with stakeholders to optimize performance and scalability.
Top Skills: Ci/CdClickhouseGoKafkaNatsPostgresRuby On Rails
Yesterday
Remote
Hybrid
7 Locations
Senior level
Senior level
Blockchain • eCommerce • Fintech • Payments • Software • Financial Services • Cryptocurrency
The Machine Learning Modeler focuses on validating ML models for financial services, developing tools for scalability and governance, and ensuring compliance with regulations. Strong software engineering and communication skills are essential, alongside experience in model risk management.
Top Skills: Automated TestingLlmMachine LearningModel GovernancePythonSQLXgboost

What you need to know about the Toronto Tech Scene

Although home to some of the biggest names in tech, including Google, Microsoft and Amazon, Toronto has established itself as one of the largest startup ecosystems in the world. And with over 2,000 startups — more than 30 percent of the country's total startups — Toronto continues to attract new businesses. Be it helping entrepreneurs manage their finances, simplifying business operations by automating payroll or assisting pharmaceutical companies in launching new drugs, the city's tech scene is just getting started.
By clicking Apply you agree to share your profile information with the hiring company.

Sign up now Access later

Create Free Account

Please log in or sign up to report this job.

Create Free Account