Reddit is hiring a
Staff Machine Learning Engineer

Summary

Join us at Reddit, and help us build a community that is inclusive and empowering for everyone. As a staff machine learning engineer in the Advertiser Optimization team, you will work closely with technical leaders to build new advertiser optimization products like target CPA and target RoAS bidding, optimized CPM, view through optimization, etc that significantly increase the efficiency and ROI for the advertisers.

Requirements

• 7+ years of contributing high-quality code to production systems that operate at scale
• 5+ years of experience building control systems, PID controllers, multi-armed bandits, reinforcement learning algorithms, or bid/pricing optimization systems
• Experience leading large engineering teams and collaborating with cross-functional partners is required
• Significant experience in one or more general-purpose programming languages like Java, Python, Go, Scala, C++ or similar
• Data processing frameworks like Spark, Flink, Kafka, Druid, etc
• A cloud service provider like AWS or GCP
• Tools: Kubernetes, Drone, CircleCI, Spinnaker, Argo, Airflow, Docker, Thrift
• Datastores: ElasticSearch / Amazon OpenSearch, Redis, Postgres, Cassandra, BigQuery
• An machine learning modeling framework like 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
• 401k Matching
• Workspace benefits for your home office
• Personal & Professional development funds
• Family Planning Support
• Flexible Vacation (please use them!) & Reddit Global Wellness Days
• 4+ months paid Parental Leave
• Paid Volunteer time off