Koahlabs

Koahlabs

Software Engineer - Platform

San Francisco

Sponsorship not specifiedDetected 200 days ago
TypeScriptPythonRubyReactReact NativeFlutteriOSAndroidRailsPostgreSQLRedisAWSTerraformGrafanaKafkaA/B Testing

About the role

  • 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 from top investors and are growing fast with real traction on both the publisher and advertiser sides of the marketplace.

Responsibilities

  • you'll ship code that shapes the company and the ecosystem we're building.
  • You want to own a breadth of systems

Requirements

  • 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

Company info

  • 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 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.
  • Our Stack
  • 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 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: PostgreSQL, ClickHouse, Redis, Kafka, Python
  • Core Application: Ruby on Rails, React, TypeScript
  • SDKs: Flutter, React Native, Android, iOS
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This listing is sourced directly from Koahlabs's careers page and normalized into a canonical job model.