Machine Learning Engineer

Summary

Join Reddit's App Ads Team as a Machine Learning Engineer and contribute to the development and improvement of cutting-edge deep learning models for app conversions. You will design and implement innovative strategies to enhance prediction accuracy, research and launch new model architectures, and perform systematic feature engineering on large-scale datasets. This role requires extensive experience in deep learning, ML frameworks, and model deployment. You will also mentor team members and contribute to team strategy. Reddit offers a comprehensive benefits package including healthcare, 401k match, generous paid parental leave, and flexible vacation time.

Requirements

• 2+ years of experience with industry-level deep learning models
• 2+ years of experience with mainstream ML frameworks (such as Tensorflow and Pytorch)
• 3+ years of end-to-end experience of training, evaluating, testing, and deploying industry-level models
• 3+ years of experience of orchestrating complicated data generation pipelines on large-scale datasets

Responsibilities

• Develop advanced and scalable deep learning models using cutting-edge techniques for critical machine learning tasks within the app conversions modeling domain
• Design and implement innovative strategies for signal loss mitigation, ensuring the accuracy and reliability of predictions in the presence of incomplete or noisy data
• Research, implement, test, and launch new model architectures including deep neural networks with advanced pooling and feature interaction architectures
• Systematic feature engineering works to convert all kinds of raw data in Reddit (dense & sparse, behavior & content, etc) into features with various FE technologies such as aggregation, embedding, sub models, etc
• Be a mentor and cross-functional advocate for the team
• Contribute meaningfully to team strategy

Preferred Qualifications

• Experience with ads domain and conversion modeling
• Experience with recommendation systems

Benefits

• Comprehensive Healthcare Benefits and Income Replacement Programs
• 401k Match
• Family Planning Support
• Gender-Affirming Care
• Mental Health & Coaching Benefits
• Flexible Vacation & Reddit Global Days off
• Generous paid Parental Leave
• Paid Volunteer time off
• Medical, dental, and vision insurance
• 401(k) program with employer match
• Generous time off for vacation
• Parental leave