Senior Software Engineer

Summary

Join Reddit's Ads Experimentation Platform (AEXP) team as a Senior Software Engineer and build A/B testing tools customized for the Ads marketplace. You will work with data science partners and product leaders to improve experimentation tools, research and build new testing methodologies, and lead experimentation practices. Responsibilities include building A/B testing tools for measuring infra cost, creating advertiser-facing tools for exploring Reddit Ads products, and building a scalable ad pacing platform. You will collaborate with cross-functional teams to ensure customer voices are represented. The ideal candidate has a degree in a quantitative discipline, 5+ years of experience with high-quality code in production systems, and 3+ years of experience building ads-serving systems. Experience with A/B testing frameworks for multiparty marketplaces and leading engineering teams is required.

Requirements

• Degree in a quantitative discipline: engineering, statistics, operations research, computer science, informatics, applied mathematics, economics, etc
• 5+ years of contributing high-quality code to production systems that operate at scale
• 3+ years of experience building ads-serving related systems, including but not limited to ads targeting, ads ranking, ads pacing
• Experience building A/B testing frameworks for multiparty marketplace scenarios, e.g. food delivery service, ride sharing, ads marketplace
• Experience leading large engineering teams and collaborating with cross-functional partners is required, especially with data science partners
• Significant experience in one or more backend programming languages, experience with Go or Scala is preferable
• Significant experience with API development and service frameworks, e.g. Thrift and Protobuf
• 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
• Datastores: ElasticSearch / Amazon OpenSearch, Redis, Postgres, Cassandra, BigQuery

Responsibilities

• Building A/B testing tools customized for Ads marketplace
• Building A/B testing tools for measuring infra cost by each ad product
• Building advertiser-facing tools for exploring through Reddit Ads products and optimizing for the best performances
• Building scalable and reliable ad pacing platform to enable efficient experimentation and research on the control algorithms

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