> Markdown version of [/jobs/ext/3951016-software-engineer-platform](https://www.wearedevelopers.com/jobs/ext/3951016-software-engineer-platform). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Software Engineer - Platform - **Company:** KOAH, INC. - **Location:** San Francisco, CA, United States - **Contract:** Permanent contract - **Skills:** Artificial Intelligence, Android Software Development, Apple IOS, Design of User Interfaces, Human-Computer Interaction, Software Engineering, React Native - **Published:** October 27, 2026 - **Apply:** https://www.careerbuilder.com/job-details/software-engineer-platform-san-francisco-ca--5aac2d51-1d8b-41ed-b680-eedbd26ce5b1 ## About the Role Software Engineering, Artificial Intelligence (AI), User Interface/Experience (UI/UX), Power Generation, Startup, Apple, Ecosystems, React Native, iOS, Android, * 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 ## Description We are looking for strong engineers with experience and interest in designing, building, and maintaining the infrastructure that make up our adtech platform.