Senior Staff Machine Learning Engineer, Bidding and Pacing

Job Description

Reddit is seeking a Senior Staff Machine Learning Engineer to join its Advertiser Optimization team. The role involves building new advertiser optimization products, such as target CPA and RoAS bidding, to enhance efficiency and ROI for advertisers. The engineer will be responsible for maintaining high quality in technical aspects within the team, collaborating with leads, and contributing to the team's culture and processes. They will also work with cross-functional teams to represent customer needs and design experiments to measure the impact of built systems.

The role involves:

• Building Reddit-scale optimizations to improve advertiser outcomes.
• Leveraging live auction data and model predictions to adjust campaign bids in real-time.
• Incorporating knowledge of the Reddit ads marketplace into budget pacing algorithms.
• Leading a team of 15+ engineers to design new bid and budget optimization products.
• Participating in setting the long-term direction for the team.

Requirements:

• 10+ years of contributing high-quality code to production systems.
• 2+ years of experience operating as a Senior Staff Engineer.
• 5+ years of experience building control systems, PID controllers, multi-armed bandits, reinforcement learning algorithms, or bid/pricing optimization systems.
• Significant experience in programming languages like Java, Python, Go, Scala, or C++.

Reddit offers:

• Comprehensive Healthcare Benefits
• 401k Matching
• Flexible Vacation
• Paid Parental Leave