A1 is building a proactive AI system that carries work forward across conversations, tools, and time. As Technical Lead, Applications, you directly own the core application architecture that connects AI systems to real-world user experiences. You are responsible for the design, reliability, and evolution of backend services, APIs, and client integrations across mobile and desktop. This hands‑on leadership role keeps you close to the code, making critical architectural decisions and ensuring the system remains fast, reliable, and coherent as it scales.

• Own the application engineering strategy and execution across backend, mobile, and desktop.
• Lead and grow a small, senior applications team, including backend, mobile, and desktop engineers.
• Ensure production‑grade reliability: observability, monitoring, retries, fallbacks, and failure handling.
• Set the architectural direction for AI‑powered product workfl...