Reddit is a community of communities built on shared interests. Every day, Reddit users submit, vote, and comment on topics they care about. With 100,000+ active communities and approximately 121 million daily active unique visitors, Reddit is one of the internet’s largest sources of information.
Reddit’s lower funnel business is rapidly growing and pushing the heavy ranking web conversion models towards state‑of‑the‑art is critical for continued growth. The Conversion Modeling Team plays a pivotal role in developing and maintaining machine learning models that drive user conversions from Reddit Ads, with a special focus on predictive modeling around interactions such as purchase, signup, add to cart, and other lower funnel user actions.
We’re a remote‑friendly company, and this position is open to candidates anywhere in the U.S.
Target Skills and Expertise
- Model Architectures: Expertise in architecting and implementing deep learning models, with experience in ranking, recommendation, or conversion modeling.
- ML Frameworks: Proficiency with mainstream ML libraries (TensorFlow, PyTorch).
- End‑to‑End ML Lifecycle: Experience in training, testing, and deploying production‑grade machine learning models.
- Data Pipelines: Experience orchestrating large‑scale data generation and processing pipelines.
- Ads domain Experience: Experience with interaction of ranking model with rest of Ads systems like bidding, auction, retrieval, etc.
- Ads Modeling (Preferred): Background in ads modeling or familiarity with engagement prediction models in the ads domain is beneficial.
Role responsibilities
- People Management Experience: Prior experience managing engineering teams with a strong emphasis on technical mentorship and team growth.
- Set Technical Vision and Strategy: Ability to plan and execute a long‑term technical strategy aligned with business objectives; define and execute a roadmap for conversion modeling, balancing innovative modeling approaches with business objectives.
- Drive Technical Execution: Oversee the model development lifecycle from ideation to deployment, ensuring high standards of ML performance and robustness.
- Lead and Mentor a High‑Performing Team: Recruit, mentor, and retain top ML talent, fostering a culture of growth, collaboration, and technical excellence.
- Collaborate Cross‑Functionally: Partner with PMs, data scientists, and other engineering teams to align on engagement strategies, data requirements, and model KPIs.
- Innovate in ML Architecture: Implement and optimize model architectures tailored to conversion prediction, leveraging deep learning and advanced ML techniques.
Required qualifications
- At least 2+ years of experience building and managing high‑performing machine learning teams, ideally in the Ads domain (tech lead experience considered).
- Deep ML expertise: Hands‑on experience working with machine learning models and deploying them in large‑scale production systems, proven ability in training, evaluating, and deploying large‑scale models.
- Technical Domain Knowledge: Experience with Ads conversion modeling, ranking (heavy ranker experience) and recommendation experience required.
- 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.
Experience with Ads conversion modeling is a plus.
Perks and Benefits
- 100% remote opportunity; we have four office locations for hybrid/onsite work preference in NY, SF, LA, and Chicago.
- Competitive salary and equity options.
- Comprehensive health benefits (medical, dental, vision) and workplace perks (home office set‑up stipend, etc.).
- Generous 401(k) matching.
- Flexible vacation policy.
- Paid parental leave (4+ months).
- Family planning support.
- Paid volunteer time off.
The base salary range for this position is: $230,000 – $322,000 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.
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