Staff Machine Learning Engineer, Bidding and Pacing

Summary
Join Reddit's Advertiser Optimization team as a Staff Machine Learning Engineer and build cutting-edge bidding optimization systems. You will leverage machine learning to improve advertiser outcomes, working with live auction data and model predictions to adjust campaign bids in real time. Responsibilities include building Reddit-scale optimizations, incorporating knowledge of the Reddit ads marketplace into budget pacing algorithms, and leading the team in designing new bid and budget optimization products. You will collaborate with cross-functional teams and conduct rigorous A/B experiments to evaluate business impact. This role requires 7+ years of experience in designing optimization algorithms and proficiency in programming languages like Java, Python, Go, or C++. The ideal candidate will have experience with machine learning frameworks and data processing technologies.
Requirements
- Experience designing optimization algorithms to solve business problems, such as ads bidding, ads pacing, ads auctions, last mile delivery, or similar systems
- Experience driving significant technical innovation with either large engineering teams or cross-functional stakeholders
- 7+ years of contributing high-quality code to production systems that operate at scale
- Strong proficiency in one or more general-purpose programming languages such as Java, Python, Go, or C++
- Experience with data processing frameworks and data storage technologies
- Hands-on experience with machine learning frameworks such as TensorFlow or PyTorch
Responsibilities
- Building Reddit-scale optimizations to improve advertiser outcomes using cutting-edge techniques in the industry
- Leverage live auction data and model predictions to adjust campaign bids in real time
- Incorporate knowledge of the Reddit ads marketplace into budget pacing algorithms powered by control & reinforcement learning systems
- Lead the team on designing new bid & budget optimization products and algorithms as well as conducting rigorous A/B experiments to evaluate the business impact
- Actively participate and work with other leads to set the long term direction for the team, plan and oversee engineering designs and project execution
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