Join Reddit's Ads Retrieval Team as a Machine Learning Engineer
Reddit is a community of communities, built on shared interests, passion, and trust. With over 100,000 active communities and approximately 82 million daily active unique visitors, Reddit is one of the internet’s largest sources of information. We are looking for a Machine Learning Engineer to join our Ads Retrieval Team, which is responsible for identifying business opportunities and providing ML models and data-driven solutions for candidate sourcing, recommendation, early ranking, and filtering in the ads upper funnel.
Your Responsibilities
- Build and iterate on candidate sourcing and early ranking Machine Learning models and algorithms to find the most relevant, engaging, and diversified ads candidates for global optimization and various product use cases.
- Design and establish a large-scale candidate indexing system to enable efficient candidate retrieval at a scale of millions to billions, which powers ads recommendation and ranking with a good balance between quality and computation efficiency.
- Research, implement, test, and launch new model architectures including information retrieval, ANN, recommendation systems, and deep neural networks within high-dimensional information systems.
- Work on large-scale data systems, backend services, and product integration.
- Collaborate closely with multiple stakeholders across product, engineering, research, and marketing.
Who You Might Be
- 2+ years of experience with applied machine learning models using TensorFlow or PyTorch with large-scale ML systems.
- 3+ years of end-to-end experience in training, evaluating, testing, and deploying machine learning models.
- Proficiency with programming languages such as Java, Python, Golang, C++, or similar, and statistical analysis.
- Experience orchestrating complicated data pipelines and system engineering on large-scale datasets.
- Prior experience with information retrieval and recommendation systems.
- Ads domain knowledge on product and ML solutions is a plus.
Benefits
- Pension Savings Plan
- Medical Plan
- Short Term Sickness Benefits
- WIA Excess and WGA Gap Insurance
- Workspace Benefits for Home Office
- Personal & Professional Development Funds
- Family Planning Support
- Flexible Vacation & Reddit Global Days Off
Join us at Reddit, and help us build a community that is inclusive and empowering for everyone. 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.
Benefits Extracted with AI
- Pension Savings Plan
- Medical Plan
- Short Term Sickness Benefits
- WIA Excess and WGA Gap Insurance
- Workspace Benefits for Home Office
- Personal & Professional Development Funds
- Family Planning Support
- Flexible Vacation
- Reddit Global Days Off
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