Native ads powered by real-time intent matching — not borrowed from the last era. The monetization layer for AI apps. Backed by South Park Commons.
About the role
Lead initiatives across the stack, with high agency in product direction and technical design Dive deeply into technically challenging and rewarding work, whether it is optimizing our matching algorithms or creating world class experiences that reach millions of users
More about this role
Who We Are
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 : iOS, Android, Web, Flutter, React Native
Help shape the foundation of our engineering organization
Lead initiatives across the stack, with high agency in product direction and technical design
Dive deeply into technically challenging and rewarding work, whether it is optimizing our matching algorithms or creating world class...
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