Senior React Native Engineer at Known

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Senior React Native Engineer at Known - AI-powered matchmaking startup

Company Description:
Known - AI-powered matchmaking startup backed by Forerunner Ventures

Job Description:
As a Senior React Native Engineer, you will own the entire mobile surface area of a voice-first AI product. You'll solve complex audio engineering challenges and craft premium, native-feel interactions that benchmark against Apple-grade quality. Joining an elite team from Uber and Cash App, you'll apply general intelligence to revolutionize human connection.

Why this role is remarkable:

- Work on a genuinely novel voice-first interaction paradigm where users engage in 27-minute average conversations with AI agents.

- Join a high-growth startup backed by top-tier investors including Forerunner Ventures (Decagon, Oura), NFX, and Pear VC as they approach Series A.

- High-autonomy environment in Cow Hollow, SF, collaborating with an elite engineering team from Uber, Afterpay, and Cash App.

What you will do:

- Own the full mobile surface including voice interaction flows, matching UX, and real-time state management.

- Solve complex audio engineering problems such as streaming, silence detection, and graceful degradation for voice AI.

- Collaborate deeply with design to translate high-fidelity intent into fluid animations and gesture-responsive interfaces.

The ideal candidate:

- Extensive experience shipping high-quality React Native consumer products where mobile craft and performance were existential to retention.

- Deep technical background in audio, voice, or real-time media features like WebRTC, recording, and streaming playback.

- Proven track record a...