Member of Technical Staff, Agent Harness

You'll build the backend systems that make Hark's AI agent actually work — reliable, fast, and production-grade. That means the hard infrastructure problems: high-concurrency services, low-latency streaming, state management for long-running agent workflows, and the execution layer that connects model outputs to real-world actions. You are building the nervous system of an agentic product. This is a high-ownership…

Hark has 58 open roles right now. Most are in Engineering, Sales & Business Development and Design. The median advertised salary across its roles with a published range is $225K. See all its roles