Software Engineer - Infrastructure

Base pay range

$/yr - $/yr

Koah Labs is building the ad network to power the next generation of AI-native products. Our mission is to help publishers monetize and help advertisers reach the right audience — without compromising speed, UX, or privacy. We’re a small, tight-knit team in San Francisco with backgrounds at X, Apple, Meta and early-stage startups. We’ve raised $5.7M from top investors and are growing fast with real traction on both the publisher and advertiser sides of the marketplace.

Working at Koah means joining at the ground floor: you’ll ship code that shapes the company and the ecosystem we’re building. We move quickly, operate with high trust, and care deeply about craft.

• Infra:
  Terraform, AWS, LGTM (Loki, Grafana, Tempo, Mimir), Tailscale, Cloudflare
• Data:
  Postgre
  
  SQL, Click House, Redis, Kafka, Python
• Core Application:
  Ruby on Rails, React, Type Script
• SDKs:
  Flutter, React Native, Android, iOS

We are looking for strong engineers with experience and interest in designing, building, and maintaining the infrastructure that make up our adtech platform.

• You have maintained or operated serious systems in production at scale
• You are detail-oriented and care about performance
• You enjoy diving deep into problems and owning the platform layer that powers our product
• You enjoy experimentation, measuring, and creating reliable systems
• You want to own a breadth of systems

Mid-Senior level

Full-time

Engineering and Information Technology

Technology, Information and Media