Startups · AI

Software Engineer, Early Career

Koah Labs · San Francisco · On-site

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About Koah Labs

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

Help shape core ad experiences and shape how people see ads across our ad network Tackle meaningful challenges with increasing autonomy, crafting code that millions of users will experience

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 core ad experiences and shape how people see ads across our ad network

Tackle meaningful challenges with increasing autonomy, crafting code that millions of users will experience

Take ownership of projects that matter, make critical technical decisions, and contribute your...

Read the full posting on Koah Labs's site ↗

Engineering

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