Chief Technology Officer

Job description

About the Role A1 is building a proactive AI chat app for everyday users to bring intelligence to conversations, errands, organising and workflows. Unlike traditional chat-based applications, 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. We are looking for a leader who can think clearly about systems, make strong technical decisions, and help build the engineering organisation from the ground up. Be part of founding team to shape the technical direction of the company, while helping build a strong engineering team across the globe. What You'll Do: Technical Direction: Define the long-term architecture for A1’s AI systems, infrastructure, and developer platform Evaluate trade-offs between speed of iteration and long-term system design Ensure systems are designed for scalability, reliability, and long-term evolution Guide key decisions across model integration, data pipelines, distributed systems, and product architecture Engineering Leadership: Work with engineers t...