Software Engineer - Backend at Koah in New York, NY

Summary: Koah Labs is building the ad network to power the next generation of AI-native products. They are seeking a Software Engineer - Backend to join their small, tight-knit team in San Francisco, where you will ship code that shapes the company and the ecosystem they are building. Responsibilities: - Build scalable data models that support multiple impressions for an ad request - Design abstractions that allow us to experiment and ship new formats that allow for a flexible way of tracking engagement events - Build a low-latency frequency capping system to improve an end user's experience Required Qualifications: - Experience with Terraform - Experience with AWS - Experience with PostgreSQL - Experience with ClickHouse - Experience with Redis - Experience with Kafka - Experience with Python - Experience with Ruby on Rails - Experience with React - Experience with TypeScript - Experience with Flutter - Experience with React Native - Experience with Android - Experience with iOS - Strong debugging skills - Ability to optimize performance - Detail-oriented with a focus on creating good abstractions - Enjoyment of experimentation and measuring - Ability to create reliable systems Required Skills: AWS, Python, Ruby on Rails Important Skills: PostgreSQL, Terraform Nice-to-Have Skills: Debugging, Performance optimization, Experimentation