AssemblyAI

AssemblyAI builds Voice AI models and APIs that power voice applications for thousands of customers, including Zoom, Siro, Granola, Fireflies, Figure AI, and CallRail. The company provides pre-recorded and real-time speech-to-text, voice agent APIs, speech understanding, guardrails, and an LLM gateway that serves hundreds of millions of inference calls monthly. Its technology processes millions of hours of audio daily and handles large-scale voice data for developers and enterprises building voice products across 99 languages.

The company operates with a lean team of under 100 people and focuses on maintaining a capital-efficient organizational structure. AssemblyAI serves builders, developers, and organizations looking to integrate speech recognition, voice agents, and audio transcription capabilities into their software stacks.

Open roles at AssemblyAI span multiple disciplines including engineering, sales, finance, and security. The company is hiring for roles such as Enterprise Account Executive, Finance Engineer, Head of Sales, Security Operations Engineer, Senior Research Engineer, Software Engineers for Inference, Senior GTM AI Engineer, and Design Engineer. These positions offer varying work arrangements including onsite locations in San Francisco, United States-wide or North America coverage, and remote positions, catering to senior and specialized talent.