Senior Machine Learning Engineer, App Ads

Details

Reddit is a community of communities, built on shared interests, passion, and trust, hosting the most open and authentic conversations on the internet. With over 100,000 active communities and approximately 101 million daily active unique visitors, Reddit is one of the internet's largest sources of information.

The App Ads Team develops and maintains a diverse set of machine learning models responsible for predicting user conversions after engaging with Reddit. These models are vital for optimizing advertising effectiveness and driving business growth. The team consists of software engineers, product managers, data scientists, and ads experts.

Responsibilities

• Develop advanced and scalable deep learning models using cutting-edge techniques for app conversions modeling.
• Design and implement strategies to mitigate signal loss, ensuring prediction accuracy despite incomplete or noisy data.
• Research, implement, test, and launch new model architectures including deep neural networks with advanced pooling and feature interactions.
• Perform systematic feature engineering to convert various raw Reddit data (dense, sparse, behavior, content) into features using technologies such as aggregation, embedding, and sub-models.
• Mentor and advocate cross-functionally for the team.
• Contribute to team strategy and planning.

Requirements

• 2+ years of experience with industry-level deep learning models.
• 2+ years experience with mainstream machine learning frameworks such as TensorFlow and PyTorch.
• 3+ years of experience training, evaluating, testing, and deploying industry-level models.
• 3+ years orchestrating complicated data generation pipelines on large-scale datasets.
• Experience in ads domain and conversion modeling is a plus.
• Experience with recommendation systems is a plus.

Benefits

• Comprehensive healthcare and income replacement programs
• 401(k) match
• Family planning support
• Gender-affirming care
• Mental health and coaching benefits
• Flexible vacation and Reddit global days off
• Generous paid parental leave
• Paid volunteer time off

The position is fully remote within the United States.

The base pay range for this position is $216,700 - $303,400 USD annually. Additional benefits include equity and possible commission, as well as medical, dental, vision insurance, and other employee benefits detailed on Reddit's careers page.