A1 is building a proactive AI smart assistant for everyday users to bring intelligence to conversations, errands, organizing and workflows.

Our product focuses on achieving high reliability for long-running workflows, persistent context, and real-world task completion. The system must handle multi-step reasoning, interact with external tools, and remain reliable despite non-deterministic model behavior.

Turn intelligence into a real product. You are responsible for the engineering systems, teams, and execution that turn ML capability into reliable, fast, and intuitive user experiences across backend, mobile, and desktop platforms.

This role is a senior engineering leader who stays close to the product, makes hard technical decisions, and holds a high bar for quality and delivery.

• Own the application engineering strategy and execution across backend, mobile, and desktop.
• Lead and grow a small, senior ap...